------------[ cut here ]------------ kernel BUG at fs/f2fs/file.c:105! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 5923 Comm: syz-executor Not tainted 6.10.0-rc6-syzkaller-00067-g8a9c6c40432e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:f2fs_vm_page_mkwrite+0x1679/0x1bb0 fs/f2fs/file.c:105 Code: e7 41 83 e7 01 4c 89 fe e8 04 b6 c8 fd 4d 85 ff 0f 84 f6 f8 ff ff e8 c6 ba c8 fd 49 83 ec 01 e9 eb f8 ff ff e8 b8 ba c8 fd 90 <0f> 0b e8 b0 ba c8 fd e8 bb 77 3b fd e9 f0 f1 ff ff 48 89 4c 24 08 RSP: 0018:ffffc90003347828 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806e279a70 RCX: ffffffff83c51ba0 RDX: ffff88802bea9e00 RSI: ffffffff83c52958 RDI: 0000000000000007 RBP: ffffc90003347b68 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff939458b8 R12: ffffc900033478a8 R13: 0000000000000001 R14: ffffea0000877c80 R15: ffff88806e279f18 FS: 00007fe02c02b6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000002d8d4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_page_mkwrite+0x17d/0x390 mm/memory.c:3093 wp_page_shared mm/memory.c:3495 [inline] do_wp_page+0xc89/0x3340 mm/memory.c:3645 handle_pte_fault mm/memory.c:5397 [inline] __handle_mm_fault+0x2311/0x5430 mm/memory.c:5524 handle_mm_fault+0x476/0xa00 mm/memory.c:5689 do_user_addr_fault+0x2e5/0xe50 arch/x86/mm/fault.c:1389 handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x5c/0xc0 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:ffffc90003347dd8 EFLAGS: 00050212 RAX: 000000006685cbec RBX: 0000000000000010 RCX: 0000000000000010 RDX: fffff52000668fc8 RSI: ffffc90003347e30 RDI: 0000000020000280 RBP: 0000000020000280 R08: 0000000000000000 R09: fffff52000668fc7 R10: ffffc90003347e3f R11: 0000000000000000 R12: ffffc90003347e30 R13: 0000000020000290 R14: 0000000000000000 R15: 0000000000000000 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 lib/usercopy.c:46 [inline] _copy_to_user+0xac/0xc0 lib/usercopy.c:39 copy_to_user include/linux/uaccess.h:191 [inline] put_timespec64+0xb6/0x120 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+0x1d5/0x270 kernel/time/posix-timers.c:1132 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe02b27cee9 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:00007fe02c02b0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 00007fe02b3b3fa0 RCX: 00007fe02b27cee9 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000000 RBP: 00007fe02b2c947f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe02b3b3fa0 R15: 00007ffd1fb37378 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_vm_page_mkwrite+0x1679/0x1bb0 fs/f2fs/file.c:105 Code: e7 41 83 e7 01 4c 89 fe e8 04 b6 c8 fd 4d 85 ff 0f 84 f6 f8 ff ff e8 c6 ba c8 fd 49 83 ec 01 e9 eb f8 ff ff e8 b8 ba c8 fd 90 <0f> 0b e8 b0 ba c8 fd e8 bb 77 3b fd e9 f0 f1 ff ff 48 89 4c 24 08 RSP: 0018:ffffc90003347828 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806e279a70 RCX: ffffffff83c51ba0 RDX: ffff88802bea9e00 RSI: ffffffff83c52958 RDI: 0000000000000007 RBP: ffffc90003347b68 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff939458b8 R12: ffffc900033478a8 R13: 0000000000000001 R14: ffffea0000877c80 R15: ffff88806e279f18 FS: 00007fe02c02b6c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9760d78870 CR3: 000000002d8d4000 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