__mmput+0x115/0x3c0 kernel/fork.c:1346 exit_mm+0x220/0x310 kernel/exit.c:565 do_exit+0x9aa/0x27e0 kernel/exit.c:861 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 __do_sys_exit_group kernel/exit.c:1034 [inline] __se_sys_exit_group kernel/exit.c:1032 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1032 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:162! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 5505 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:filemap_unaccount_folio+0x80a/0xe40 mm/filemap.c:162 Code: 25 ff 0f 00 00 0f 84 f0 00 00 00 e8 30 82 ca ff e9 6f f8 ff ff e8 26 82 ca ff 4c 89 ef 48 c7 c6 60 93 d3 8b e8 77 6d 11 00 90 <0f> 0b e8 0f 82 ca ff 4c 89 ef 48 c7 c6 a0 94 d3 8b e8 60 6d 11 00 RSP: 0018:ffffc90004cb7658 EFLAGS: 00010046 RAX: 402e0dd542c1c100 RBX: 0000000000000000 RCX: ffffc90004cb7203 RDX: 0000000000000002 RSI: ffffffff8bcaca00 RDI: ffffffff8c1f1100 RBP: 0000000000000001 R08: ffffffff8fac0c2f R09: 1ffffffff1f58185 R10: dffffc0000000000 R11: fffffbfff1f58186 R12: 1ffffd4000376c18 R13: ffffea0001bb60c0 R14: 1ffffd4000376c19 R15: ffffea0001bb60c8 FS: 0000555562ccd480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60f57a80c0 CR3: 000000001518a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __filemap_remove_folio+0xc4/0x9e0 mm/filemap.c:231 filemap_remove_folio+0x109/0x2e0 mm/filemap.c:264 truncate_inode_folio+0x5d/0x70 mm/truncate.c:195 shmem_undo_range+0x45d/0x1df0 mm/shmem.c:1001 shmem_truncate_range mm/shmem.c:1114 [inline] shmem_evict_inode+0x29b/0xa60 mm/shmem.c:1242 evict+0x2a8/0x630 fs/inode.c:667 __dentry_kill+0x20d/0x630 fs/dcache.c:603 dput+0x19f/0x2b0 fs/dcache.c:845 __fput+0x68c/0x8b0 fs/file_table.c:430 __do_sys_close fs/open.c:1555 [inline] __se_sys_close fs/open.c:1540 [inline] __x64_sys_close+0x7f/0x110 fs/open.c:1540 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 RIP: 0033:0x7f60f567cc9a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffd91b14f10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f60f567cc9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000032 R08: 0000001b2fc60000 R09: 00007f60f57abf8c R10: 00007ffd91b15060 R11: 0000000000000293 R12: 00007f60f5200478 R13: ffffffffffffffff R14: 00007f60f5200000 R15: 00000000000164b0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filemap_unaccount_folio+0x80a/0xe40 mm/filemap.c:162 Code: 25 ff 0f 00 00 0f 84 f0 00 00 00 e8 30 82 ca ff e9 6f f8 ff ff e8 26 82 ca ff 4c 89 ef 48 c7 c6 60 93 d3 8b e8 77 6d 11 00 90 <0f> 0b e8 0f 82 ca ff 4c 89 ef 48 c7 c6 a0 94 d3 8b e8 60 6d 11 00 RSP: 0018:ffffc90004cb7658 EFLAGS: 00010046 RAX: 402e0dd542c1c100 RBX: 0000000000000000 RCX: ffffc90004cb7203 RDX: 0000000000000002 RSI: ffffffff8bcaca00 RDI: ffffffff8c1f1100 RBP: 0000000000000001 R08: ffffffff8fac0c2f R09: 1ffffffff1f58185 R10: dffffc0000000000 R11: fffffbfff1f58186 R12: 1ffffd4000376c18 R13: ffffea0001bb60c0 R14: 1ffffd4000376c19 R15: ffffea0001bb60c8 FS: 0000555562ccd480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f60f57a80c0 CR3: 000000001518a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400