Hello, syzbot found the following issue on: HEAD commit: ad1b832bf1cf Merge tag 'devicetree-fixes-for-6.14-1' of gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13ffb9b0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c776e555cfbdb82d dashboard link: https://syzkaller.appspot.com/bug?extid=0f74a9bc5e47528935fe 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=146639a4580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-ad1b832b.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/64103cb6fc45/vmlinux-ad1b832b.xz kernel image: https://storage.googleapis.com/syzbot-assets/9bc34ac014d0/bzImage-ad1b832b.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/179e2d12ea01/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0f74a9bc5e47528935fe@xxxxxxxxxxxxxxxxxxxxxxxxx __vm_munmap+0x372/0x510 mm/vma.c:2951 __do_sys_munmap mm/mmap.c:1084 [inline] __se_sys_munmap mm/mmap.c:1081 [inline] __x64_sys_munmap+0x60/0x70 mm/mmap.c:1081 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:2138! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5647 Comm: syz.3.19 Not tainted 6.14.0-rc2-syzkaller-00303-gad1b832bf1cf #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:find_lock_entries+0xb8a/0xbb0 mm/filemap.c:2137 Code: f4 c6 ff 4c 89 ff 48 c7 c6 40 d7 33 8c e8 9e 91 11 00 90 0f 0b e8 16 f4 c6 ff 4c 89 ff 48 c7 c6 20 d1 33 8c e8 87 91 11 00 90 <0f> 0b e8 ff f3 c6 ff 4c 89 ff 48 c7 c6 00 da 33 8c e8 70 91 11 00 RSP: 0018:ffffc90002d2f100 EFLAGS: 00010246 RAX: 9a94e420221a6800 RBX: ffffc90002d2f5c0 RCX: ffffc90002d2ed03 RDX: 0000000000000001 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c80ed00 RBP: ffffc90002d2f250 R08: ffffffff903cdd77 R09: 1ffffffff2079bae R10: dffffc0000000000 R11: fffffbfff2079baf R12: 000000000000030e R13: 0000000000000001 R14: ffffea000135cec0 R15: ffffea000135cec0 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005604856a8600 CR3: 00000000534c6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> shmem_undo_range+0x2d4/0x1820 mm/shmem.c:1094 shmem_truncate_range mm/shmem.c:1224 [inline] shmem_evict_inode+0x29b/0xa80 mm/shmem.c:1352 evict+0x4e8/0x9a0 fs/inode.c:796 __dentry_kill+0x20d/0x630 fs/dcache.c:643 dput+0x19f/0x2b0 fs/dcache.c:885 __fput+0x60b/0x9f0 fs/file_table.c:472 task_work_run+0x24f/0x310 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2a/0x28e0 kernel/exit.c:938 do_group_exit+0x207/0x2c0 kernel/exit.c:1087 get_signal+0x168c/0x1720 kernel/signal.c:3036 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [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+0xce/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: 0033:0x7f6d6738b89f Code: Unable to access opcode bytes at 0x7f6d6738b875. RSP: 002b:00007f6d68182df0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: 0000000000772000 RBX: 0000000001000000 RCX: 00007f6d6738b89f RDX: 0000000001000000 RSI: 00007f6d5e000000 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000590c R10: 0000000000000002 R11: 0000000000000293 R12: 0000000000000003 R13: 00007f6d68182ef0 R14: 00007f6d68182eb0 R15: 00007f6d5e000000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:find_lock_entries+0xb8a/0xbb0 mm/filemap.c:2137 Code: f4 c6 ff 4c 89 ff 48 c7 c6 40 d7 33 8c e8 9e 91 11 00 90 0f 0b e8 16 f4 c6 ff 4c 89 ff 48 c7 c6 20 d1 33 8c e8 87 91 11 00 90 <0f> 0b e8 ff f3 c6 ff 4c 89 ff 48 c7 c6 00 da 33 8c e8 70 91 11 00 RSP: 0018:ffffc90002d2f100 EFLAGS: 00010246 RAX: 9a94e420221a6800 RBX: ffffc90002d2f5c0 RCX: ffffc90002d2ed03 RDX: 0000000000000001 RSI: ffffffff8c2ab6a0 RDI: ffffffff8c80ed00 RBP: ffffc90002d2f250 R08: ffffffff903cdd77 R09: 1ffffffff2079bae R10: dffffc0000000000 R11: fffffbfff2079baf R12: 000000000000030e R13: 0000000000000001 R14: ffffea000135cec0 R15: ffffea000135cec0 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005604856a8600 CR3: 00000000534c6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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
