exit_mmap+0x3b3/0x980 mm/mmap.c:3250 __mmput+0x115/0x3c0 kernel/fork.c:1200 exit_mm+0x226/0x300 kernel/exit.c:565 do_exit+0x9f6/0x26a0 kernel/exit.c:858 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 get_signal+0x16f7/0x17d0 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:153! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4829 Comm: syz.3.142 Tainted: G W 6.1.121-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:filemap_unaccount_folio+0x5c2/0xa60 mm/filemap.c:153 Code: 07 38 c1 0f 8c 21 fe ff ff 48 89 ef e8 e7 21 2b 00 e9 14 fe ff ff e8 6d 97 d3 ff 4c 89 ef 48 c7 c6 e0 ff 14 8b e8 7e 50 13 00 <0f> 0b e8 57 97 d3 ff 4c 89 ef 48 c7 c6 60 05 15 8b e8 68 50 13 00 RSP: 0018:ffffc9000c56f578 EFLAGS: 00010046 RAX: a2ff376e9c47c900 RBX: ffff888057736868 RCX: ffffc9000c56f303 RDX: 0000000000000002 RSI: ffffffff8b0c14c0 RDI: ffffffff8b5e6400 RBP: ffffc9000c56f718 R08: dffffc0000000000 R09: fffffbfff1d3608e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888057736868 R13: ffffea00014ddec0 R14: ffffea00014ddec0 R15: ffffea00014ddec0 FS: 000055556d01e500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000340 CR3: 000000003043c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __filemap_remove_folio+0xc7/0xaa0 mm/filemap.c:222 filemap_remove_folio+0x105/0x2e0 mm/filemap.c:255 truncate_inode_folio+0x59/0x70 mm/truncate.c:195 shmem_undo_range+0x570/0x2390 mm/shmem.c:942 shmem_truncate_range mm/shmem.c:1062 [inline] shmem_evict_inode+0x265/0xa60 mm/shmem.c:1171 evict+0x529/0x930 fs/inode.c:705 __dentry_kill+0x436/0x650 fs/dcache.c:611 dentry_kill+0xbb/0x290 dput+0xfb/0x1d0 fs/dcache.c:918 __fput+0x62e/0x8d0 fs/file_table.c:328 task_work_run+0x246/0x300 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1fda985d29 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe9a718e48 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 000000000001dad1 RCX: 00007f1fda985d29 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f1fdab77ba0 R08: 0000000000000001 R09: 00007ffe9a71913f R10: 00007f1fda600000 R11: 0000000000000246 R12: 000000000001db2f R13: 00007f1fdab75fa0 R14: 0000000000000032 R15: ffffffffffffffff Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filemap_unaccount_folio+0x5c2/0xa60 mm/filemap.c:153 Code: 07 38 c1 0f 8c 21 fe ff ff 48 89 ef e8 e7 21 2b 00 e9 14 fe ff ff e8 6d 97 d3 ff 4c 89 ef 48 c7 c6 e0 ff 14 8b e8 7e 50 13 00 <0f> 0b e8 57 97 d3 ff 4c 89 ef 48 c7 c6 60 05 15 8b e8 68 50 13 00 RSP: 0018:ffffc9000c56f578 EFLAGS: 00010046 RAX: a2ff376e9c47c900 RBX: ffff888057736868 RCX: ffffc9000c56f303 RDX: 0000000000000002 RSI: ffffffff8b0c14c0 RDI: ffffffff8b5e6400 RBP: ffffc9000c56f718 R08: dffffc0000000000 R09: fffffbfff1d3608e R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888057736868 R13: ffffea00014ddec0 R14: ffffea00014ddec0 R15: ffffea00014ddec0 FS: 000055556d01e500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000340 CR3: 000000003043c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400