__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+0xf5/0x240 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: 5679 Comm: syz-executor.0 Not tainted 6.9.0-rc6-next-20240501-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:filemap_unaccount_folio+0x80a/0xe40 mm/filemap.c:162 Code: 25 ff 0f 00 00 0f 84 f0 00 00 00 e8 80 8b ca ff e9 6f f8 ff ff e8 76 8b ca ff 4c 89 ef 48 c7 c6 60 8d d3 8b e8 57 41 14 00 90 <0f> 0b e8 5f 8b ca ff 4c 89 ef 48 c7 c6 a0 8e d3 8b e8 40 41 14 00 RSP: 0018:ffffc9000a337658 EFLAGS: 00010046 RAX: 27acdd84ea35b800 RBX: 0000000000000000 RCX: ffffc9000a337203 RDX: 0000000000000002 RSI: ffffffff8bcac4c0 RDI: ffffffff8c1fcaa0 RBP: 0000000000000001 R08: ffffffff8facf9ef R09: 1ffffffff1f59f3d R10: dffffc0000000000 R11: fffffbfff1f59f3e R12: 1ffffd40002ed170 R13: ffffea0001768b80 R14: 1ffffd40002ed171 R15: ffffea0001768b88 FS: 0000555578e3f480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d622000 CR3: 000000007914a000 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+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff6ad27cd9a 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:00007ffe1ca1ed70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff6ad27cd9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007ff6ad3ad980 R08: 00007ff6ad200000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 0000000000014501 R13: 00000000000144cf R14: 00007ffe1ca1ef30 R15: 00007ff6ad234cb0 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 80 8b ca ff e9 6f f8 ff ff e8 76 8b ca ff 4c 89 ef 48 c7 c6 60 8d d3 8b e8 57 41 14 00 90 <0f> 0b e8 5f 8b ca ff 4c 89 ef 48 c7 c6 a0 8e d3 8b e8 40 41 14 00 RSP: 0018:ffffc9000a337658 EFLAGS: 00010046 RAX: 27acdd84ea35b800 RBX: 0000000000000000 RCX: ffffc9000a337203 RDX: 0000000000000002 RSI: ffffffff8bcac4c0 RDI: ffffffff8c1fcaa0 RBP: 0000000000000001 R08: ffffffff8facf9ef R09: 1ffffffff1f59f3d R10: dffffc0000000000 R11: fffffbfff1f59f3e R12: 1ffffd40002ed170 R13: ffffea0001768b80 R14: 1ffffd40002ed171 R15: ffffea0001768b88 FS: 0000555578e3f480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d622000 CR3: 000000007914a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400