loop0: detected capacity change from 0 to 40427 F2FS-fs (loop0): Found nat_bits in checkpoint F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 ------------[ cut here ]------------ kernel BUG at fs/f2fs/file.c:105! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 5950 Comm: syz-executor Not tainted 6.10.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:f2fs_vm_page_mkwrite+0x1096/0x1430 fs/f2fs/file.c:105 Code: 00 00 89 de e8 fb be ae fd 31 ff 89 de e8 f2 be ae fd 45 84 e4 0f 85 88 03 00 00 e8 e4 bb ae fd e9 1c f3 ff ff e8 da bb ae fd <0f> 0b e8 d3 bb ae fd 4c 89 f7 48 c7 c6 80 fd ae 8b e8 e4 a8 f5 fd RSP: 0018:ffffc900034af520 EFLAGS: 00010293 RAX: ffffffff83e55106 RBX: 0000000000000400 RCX: ffff888079b23c00 RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000000 RBP: ffffc900034af688 R08: ffffffff83e5468d R09: 1ffff1100d52e2c9 R10: dffffc0000000000 R11: ffffed100d52e2ca R12: ffff88806a971648 R13: 0000000020010602 R14: 0000000020010602 R15: dffffc0000000000 FS: 00007f4b098536c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000007c1d0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_page_mkwrite+0x19b/0x480 mm/memory.c:3099 wp_page_shared mm/memory.c:3501 [inline] do_wp_page+0x2420/0x5330 mm/memory.c:3651 handle_pte_fault mm/memory.c:5396 [inline] __handle_mm_fault mm/memory.c:5523 [inline] handle_mm_fault+0x1ef8/0x4710 mm/memory.c:5688 do_user_addr_fault arch/x86/mm/fault.c:1389 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x2ba/0x810 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:rep_movs_alternative+0x33/0x70 arch/x86/lib/copy_user_64.S:58 Code: 40 83 f9 08 73 21 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb RSP: 0018:ffffc900034afd70 EFLAGS: 00050212 RAX: 00000000665d5ceb RBX: 0000000020000290 RCX: 0000000000000010 RDX: 0000000000000000 RSI: ffffc900034afde0 RDI: 0000000020000280 RBP: ffffc900034afe50 R08: ffffc900034afdef R09: 1ffff92000695fbd R10: dffffc0000000000 R11: fffff52000695fbe R12: 0000000000000010 R13: dffffc0000000000 R14: 0000000020000280 R15: ffffc900034afde0 copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline] _copy_to_user+0x86/0xb0 lib/usercopy.c:46 copy_to_user include/linux/uaccess.h:191 [inline] put_timespec64+0xfa/0x150 kernel/time/time.c:910 __do_sys_clock_gettime kernel/time/posix-timers.c:1144 [inline] __se_sys_clock_gettime kernel/time/posix-timers.c:1132 [inline] __x64_sys_clock_gettime+0x1d7/0x230 kernel/time/posix-timers.c:1132 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x82/0x160 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f4b08a7cee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4b098530c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 00007f4b08bb3fa0 RCX: 00007f4b08a7cee9 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000000 RBP: 00007f4b08ac947f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4b08bb3fa0 R15: 00007ffd0e65b5b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_vm_page_mkwrite+0x1096/0x1430 fs/f2fs/file.c:105 Code: 00 00 89 de e8 fb be ae fd 31 ff 89 de e8 f2 be ae fd 45 84 e4 0f 85 88 03 00 00 e8 e4 bb ae fd e9 1c f3 ff ff e8 da bb ae fd <0f> 0b e8 d3 bb ae fd 4c 89 f7 48 c7 c6 80 fd ae 8b e8 e4 a8 f5 fd RSP: 0018:ffffc900034af520 EFLAGS: 00010293 RAX: ffffffff83e55106 RBX: 0000000000000400 RCX: ffff888079b23c00 RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000000 RBP: ffffc900034af688 R08: ffffffff83e5468d R09: 1ffff1100d52e2c9 R10: dffffc0000000000 R11: ffffed100d52e2ca R12: ffff88806a971648 R13: 0000000020010602 R14: 0000000020010602 R15: dffffc0000000000 FS: 00007f4b098536c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000007c1d0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 40 83 f9 08 rex cmp $0x8,%ecx 4: 73 21 jae 0x27 6: 85 c9 test %ecx,%ecx 8: 74 0f je 0x19 a: 8a 06 mov (%rsi),%al c: 88 07 mov %al,(%rdi) e: 48 ff c7 inc %rdi 11: 48 ff c6 inc %rsi 14: 48 ff c9 dec %rcx 17: 75 f1 jne 0xa 19: c3 ret 1a: cc int3 1b: cc int3 1c: cc int3 1d: cc int3 1e: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 25: 00 00 27: 48 8b 06 mov (%rsi),%rax * 2a: 48 89 07 mov %rax,(%rdi) <-- trapping instruction 2d: 48 83 c6 08 add $0x8,%rsi 31: 48 83 c7 08 add $0x8,%rdi 35: 83 e9 08 sub $0x8,%ecx 38: 74 df je 0x19 3a: 83 f9 08 cmp $0x8,%ecx 3d: 73 e8 jae 0x27 3f: eb .byte 0xeb