Hello, syzbot found the following issue on: HEAD commit: 9f16d5e6f220 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14c5a530580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e92fc420ca55fe33 dashboard link: https://syzkaller.appspot.com/bug?extid=34226167ebf8da2171a9 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=164fc778580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103725c0580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/c9f905470542/disk-9f16d5e6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5b4c9cc530ec/vmlinux-9f16d5e6.xz kernel image: https://storage.googleapis.com/syzbot-assets/e0f262e4c35e/bzImage-9f16d5e6.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/3621c08f2ff6/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+34226167ebf8da2171a9@xxxxxxxxxxxxxxxxxxxxxxxxx Oops: general protection fault, probably for non-canonical address 0xdffffc0100000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: probably user-memory-access in range [0x0000000800000008-0x000000080000000f] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor339 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__hlist_del include/linux/list.h:990 [inline] RIP: 0010:hlist_del_init_rcu include/linux/rculist.h:184 [inline] RIP: 0010:__remove_inode_hash fs/inode.c:671 [inline] RIP: 0010:remove_inode_hash include/linux/fs.h:3226 [inline] RIP: 0010:evict+0x64f/0x9a0 fs/inode.c:804 Code: 4c 89 ff e8 b3 23 e5 ff 4d 89 27 4d 85 e4 74 61 e8 b6 6b 7d ff 49 83 c4 08 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 83 23 e5 ff 4d 89 3c 24 eb 38 e8 88 RSP: 0018:ffffc90003df7b00 EFLAGS: 00010202 RAX: 0000000100000001 RBX: 1ffff1100ee5d305 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90003df7a80 RBP: ffffc90003df7c30 R08: 0000000000000003 R09: fffff520007bef50 R10: dffffc0000000000 R11: fffff520007bef50 R12: 0000000800000008 R13: ffff8880772e9720 R14: ffff8880772e9828 R15: ffffc90000c35860 FS: 0000555577e623c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577e6b738 CR3: 0000000075cf6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> dispose_list fs/inode.c:845 [inline] evict_inodes+0x6f6/0x790 fs/inode.c:899 generic_shutdown_super+0xa0/0x2d0 fs/super.c:627 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0cfeb244a7 Code: 08 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff0d0cb848 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0cfeb244a7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff0d0cb900 RBP: 00007fff0d0cb900 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff0d0cc9c0 R13: 0000555577e63700 R14: 431bde82d7b634db R15: 00007fff0d0cc964 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__hlist_del include/linux/list.h:990 [inline] RIP: 0010:hlist_del_init_rcu include/linux/rculist.h:184 [inline] RIP: 0010:__remove_inode_hash fs/inode.c:671 [inline] RIP: 0010:remove_inode_hash include/linux/fs.h:3226 [inline] RIP: 0010:evict+0x64f/0x9a0 fs/inode.c:804 Code: 4c 89 ff e8 b3 23 e5 ff 4d 89 27 4d 85 e4 74 61 e8 b6 6b 7d ff 49 83 c4 08 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 e7 e8 83 23 e5 ff 4d 89 3c 24 eb 38 e8 88 RSP: 0018:ffffc90003df7b00 EFLAGS: 00010202 RAX: 0000000100000001 RBX: 1ffff1100ee5d305 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90003df7a80 RBP: ffffc90003df7c30 R08: 0000000000000003 R09: fffff520007bef50 R10: dffffc0000000000 R11: fffff520007bef50 R12: 0000000800000008 R13: ffff8880772e9720 R14: ffff8880772e9828 R15: ffffc90000c35860 FS: 0000555577e623c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577e6b738 CR3: 0000000075cf6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 4c 89 ff mov %r15,%rdi 3: e8 b3 23 e5 ff call 0xffe523bb 8: 4d 89 27 mov %r12,(%r15) b: 4d 85 e4 test %r12,%r12 e: 74 61 je 0x71 10: e8 b6 6b 7d ff call 0xff7d6bcb 15: 49 83 c4 08 add $0x8,%r12 19: 4c 89 e0 mov %r12,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 e7 mov %r12,%rdi 33: e8 83 23 e5 ff call 0xffe523bb 38: 4d 89 3c 24 mov %r15,(%r12) 3c: eb 38 jmp 0x76 3e: e8 .byte 0xe8 3f: 88 .byte 0x88 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
