------------[ cut here ]------------ WARNING: CPU: 0 PID: 13106 at fs/fuse/file.c:1843 fuse_write_file_get fs/fuse/file.c:1843 [inline] WARNING: CPU: 0 PID: 13106 at fs/fuse/file.c:1843 fuse_writepage_locked+0xa84/0xd40 fs/fuse/file.c:1928 Modules linked in: CPU: 0 PID: 13106 Comm: syz-executor.3 Not tainted 5.18.0-syzkaller-10037-g7e284070abe5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:fuse_write_file_get fs/fuse/file.c:1843 [inline] RIP: 0010:fuse_writepage_locked+0xa84/0xd40 fs/fuse/file.c:1928 Code: 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 41 bc f4 ff ff ff e9 2d ff ff ff e8 4a 90 ae fe 48 8b 3c 24 e8 11 e4 ac 06 e8 3c 90 ae fe <0f> 0b 49 8d be c8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa RSP: 0018:ffffc90014d4eff8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888057dd1248 RCX: ffffc90005e8b000 RDX: 0000000000040000 RSI: ffffffff82cbe034 RDI: 0000000000000001 RBP: ffffea0000268b80 R08: 0000000000000000 R09: ffff888057dd1363 R10: ffffed100afba26c R11: 0000000000000001 R12: ffff888057dd0d80 R13: ffffea000077b3c0 R14: ffff88805682a400 R15: ffff888075836800 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f7f77b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f6f39cac CR3: 00000000242ff000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fuse_writepage+0x1c8/0x2c0 fs/fuse/file.c:1991 writeout+0x1c5/0x530 mm/migrate.c:797 fallback_migrate_page mm/migrate.c:821 [inline] move_to_new_folio+0x3b6/0xb30 mm/migrate.c:872 __unmap_and_move mm/migrate.c:1035 [inline] unmap_and_move mm/migrate.c:1109 [inline] migrate_pages+0x40f0/0x5c80 mm/migrate.c:1388 compact_zone+0x1ad3/0x3760 mm/compaction.c:2415 compact_node+0x129/0x1f0 mm/compaction.c:2697 compact_nodes mm/compaction.c:2713 [inline] sysctl_compaction_handler+0x108/0x150 mm/compaction.c:2755 proc_sys_call_handler+0x4a1/0x6e0 fs/proc/proc_sysctl.c:611 call_write_iter include/linux/fs.h:2060 [inline] do_iter_readv_writev+0x3d1/0x640 fs/read_write.c:726 do_iter_write+0x182/0x700 fs/read_write.c:852 vfs_iter_write+0x70/0xa0 fs/read_write.c:893 iter_file_splice_write+0x723/0xc70 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0x110/0x180 fs/splice.c:936 splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891 do_splice_direct+0x1a7/0x270 fs/splice.c:979 do_sendfile+0xae0/0x1240 fs/read_write.c:1246 __do_compat_sys_sendfile fs/read_write.c:1332 [inline] __se_compat_sys_sendfile fs/read_write.c:1315 [inline] __ia32_compat_sys_sendfile+0x1dd/0x220 fs/read_write.c:1315 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x53/0x62 RIP: 0023:0xf7f9d549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f775cc EFLAGS: 00000296 ORIG_RAX: 00000000000000bb RAX: ffffffffffffffda RBX: 000000000000000e RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000262 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi