Hello, syzbot found the following issue on: HEAD commit: 01830e6c Add linux-next specific files for 20200731 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11b922e0900000 kernel config: https://syzkaller.appspot.com/x/.config?x=2e226b2d1364112c dashboard link: https://syzkaller.appspot.com/bug?extid=96cc7aba7e969b1d305c compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=140e5d5c900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+96cc7aba7e969b1d305c@xxxxxxxxxxxxxxxxxxxxxxxxx INFO: task syz-execprog:6857 blocked for more than 143 seconds. Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-execprog D27640 6857 6837 0x00004000 Call Trace: context_switch kernel/sched/core.c:3669 [inline] __schedule+0x8e5/0x21e0 kernel/sched/core.c:4418 schedule+0xd0/0x2a0 kernel/sched/core.c:4493 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4552 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x3e2/0x10e0 kernel/locking/mutex.c:1103 __pipe_lock fs/pipe.c:87 [inline] pipe_read+0x136/0x13d0 fs/pipe.c:247 call_read_iter include/linux/fs.h:1870 [inline] new_sync_read+0x5b3/0x6e0 fs/read_write.c:414 vfs_read+0x383/0x5a0 fs/read_write.c:493 ksys_read+0x1ee/0x250 fs/read_write.c:624 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x4ad88b Code: Bad RIP value. RSP: 002b:000000c00002ae10 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 000000c000020800 RCX: 00000000004ad88b RDX: 0000000000010000 RSI: 000000c000390000 RDI: 0000000000000008 RBP: 000000c00002ae60 R08: 0000000000000001 R09: 0000000000000002 R10: 000000c000380000 R11: 0000000000000202 R12: 0000000000000003 R13: 000000c000082a80 R14: 000000c000310600 R15: 0000000000000000 INFO: task syz-executor.0:17080 blocked for more than 143 seconds. Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29144 17080 16608 0x00000000 Call Trace: context_switch kernel/sched/core.c:3669 [inline] __schedule+0x8e5/0x21e0 kernel/sched/core.c:4418 schedule+0xd0/0x2a0 kernel/sched/core.c:4493 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4552 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x3e2/0x10e0 kernel/locking/mutex.c:1103 __pipe_lock fs/pipe.c:87 [inline] pipe_write+0x12c/0x16c0 fs/pipe.c:435 call_write_iter include/linux/fs.h:1876 [inline] new_sync_write+0x422/0x650 fs/read_write.c:515 vfs_write+0x5ad/0x730 fs/read_write.c:595 ksys_write+0x1ee/0x250 fs/read_write.c:648 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cc79 Code: Bad RIP value. RSP: 002b:00007fff6c963cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000037d40 RCX: 000000000045cc79 RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000000 RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000790378 R13: 0000000000000000 R14: 0000000000000df5 R15: 000000000078bf0c INFO: task syz-executor.0:17140 blocked for more than 144 seconds. Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29144 17140 16608 0x00000000 Call Trace: context_switch kernel/sched/core.c:3669 [inline] __schedule+0x8e5/0x21e0 kernel/sched/core.c:4418 schedule+0xd0/0x2a0 kernel/sched/core.c:4493 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4552 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x3e2/0x10e0 kernel/locking/mutex.c:1103 __pipe_lock fs/pipe.c:87 [inline] pipe_write+0x12c/0x16c0 fs/pipe.c:435 call_write_iter include/linux/fs.h:1876 [inline] new_sync_write+0x422/0x650 fs/read_write.c:515 vfs_write+0x5ad/0x730 fs/read_write.c:595 ksys_write+0x1ee/0x250 fs/read_write.c:648 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cc79 Code: Bad RIP value. RSP: 002b:00007fff6c963cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000037d40 RCX: 000000000045cc79 RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000000 RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000790378 R13: 0000000000000000 R14: 0000000000000df5 R15: 000000000078bf0c INFO: task syz-executor.0:17145 blocked for more than 145 seconds. Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29144 17145 16608 0x00000000 Call Trace: context_switch kernel/sched/core.c:3669 [inline] __schedule+0x8e5/0x21e0 kernel/sched/core.c:4418 schedule+0xd0/0x2a0 kernel/sched/core.c:4493 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:4552 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x3e2/0x10e0 kernel/locking/mutex.c:1103 __pipe_lock fs/pipe.c:87 [inline] pipe_write+0x12c/0x16c0 fs/pipe.c:435 call_write_iter include/linux/fs.h:1876 [inline] new_sync_write+0x422/0x650 fs/read_write.c:515 vfs_write+0x5ad/0x730 fs/read_write.c:595 ksys_write+0x1ee/0x250 fs/read_write.c:648 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cc79 Code: Bad RIP value. RSP: 002b:00007fff6c963cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000037d40 RCX: 000000000045cc79 RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000000 RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000790378 R13: 0000000000000000 R14: 0000000000000df5 R15: 000000000078bf0c Showing all locks held in the system: 1 lock held by khungtaskd/1170: #0: ffffffff89c52a80 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5823 1 lock held by systemd-udevd/3906: 1 lock held by in:imklog/6629: #0: ffff8880996bf930 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 1 lock held by syz-execprog/6857: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_read+0x136/0x13d0 fs/pipe.c:247 1 lock held by syz-executor.0/16822: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x5bd/0x16c0 fs/pipe.c:580 1 lock held by syz-executor.0/17080: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17140: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17145: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17209: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17222: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17312: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17314: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17317: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17333: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17360: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17363: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17369: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17377: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17382: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17385: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17390: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17400: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17410: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17415: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17441: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17489: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17501: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17516: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17524: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17531: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17574: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17579: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17582: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17584: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17587: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17590: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17593: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17595: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17600: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17605: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17610: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17612: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17615: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17625: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17632: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17637: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17661: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17691: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17731: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17752: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17764: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17781: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17786: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17791: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17794: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17819: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17829: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17876: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17891: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17894: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17896: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/17906: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18001: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18044: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18054: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18067: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18087: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18093: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18098: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18105: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18130: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18133: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18146: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18149: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18153: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18165: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18173: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18185: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18190: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18195: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18202: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18207: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18217: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18222: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18225: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18237: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18250: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18255: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18269: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18286: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18296: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18304: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18306: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18311: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18321: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18335: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18340: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18343: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18358: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18361: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18363: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18378: 1 lock held by syz-executor.0/18409: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/18792: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/19006: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/19154: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/19338: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/20014: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/20107: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/20266: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/20673: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/20961: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/21389: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/21601: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/21778: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/21835: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/21965: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22161: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22243: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22293: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22530: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22681: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22732: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/22837: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/23154: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/23328: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/23804: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/24439: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/24641: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/24706: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/24903: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25118: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25179: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25463: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25472: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25518: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25592: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25594: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25880: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25891: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25902: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/25953: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26037: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26090: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26218: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26292: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26496: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26671: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26755: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/26764: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/27070: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/27105: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/27176: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/27637: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 1 lock held by syz-executor.0/27730: #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: __pipe_lock fs/pipe.c:87 [inline] #0: ffff888092562068 (&pipe->mutex/1){+.+.}-{3:3}, at: pipe_write+0x12c/0x16c0 fs/pipe.c:435 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1170 Comm: khungtaskd Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1b3/0x223 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:147 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:253 [inline] watchdog+0xd89/0xf30 kernel/hung_task.c:339 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3905 Comm: systemd-journal Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0033:0x7ffc39794990 Code: ff ff ff 7f 48 8d 05 0f b7 ff ff 48 8d 15 08 e7 ff ff 48 0f 44 c2 48 85 ff 48 8b 40 20 74 03 48 89 07 c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 55 4c 63 ef 41 54 49 89 f4 48 83 ec 08 41 83 fd 0f RSP: 002b:00007ffc397271d8 EFLAGS: 00000206 RAX: 00007ffc39794990 RBX: 0000000000000000 RCX: 00000000000000cc RDX: 00000000000003e7 RSI: 00007ffc39727200 RDI: 0000000000000000 RBP: 00007ffc39727200 R08: 00005615fdccd3e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000246 R12: 000000000000014d R13: 00000000000012bf R14: 0000000000000033 R15: 00007ffc397276f0 FS: 00007fade38dd8c0 GS: 0000000000000000 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
