------------[ cut here ]------------ kernel BUG at fs/f2fs/file.c:105! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5199 Comm: syz-executor154 Not tainted 6.10.0-rc1-syzkaller-00304-g83814698cf48 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:f2fs_vm_page_mkwrite+0x1679/0x1bb0 fs/f2fs/file.c:105 Code: e7 41 83 e7 01 4c 89 fe e8 84 39 c8 fd 4d 85 ff 0f 84 f6 f8 ff ff e8 46 3e c8 fd 49 83 ec 01 e9 eb f8 ff ff e8 38 3e c8 fd 90 <0f> 0b e8 30 3e c8 fd e8 5b 0a 3b fd e9 f0 f1 ff ff 48 89 4c 24 08 RSP: 0018:ffffc90003277838 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880329008d0 RCX: ffffffff83c58900 RDX: ffff888025b14880 RSI: ffffffff83c596b8 RDI: 0000000000000007 RBP: ffffc90003277b78 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff939349f0 R12: ffffc900032778b8 R13: 0000000000000001 R14: ffffea0000a9c1c0 R15: ffff888032900d78 FS: 0000555584d97380(0000) GS:ffff88806b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000280 CR3: 000000002ce7e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_page_mkwrite+0x17d/0x390 mm/memory.c:3099 wp_page_shared mm/memory.c:3501 [inline] do_wp_page+0xc89/0x3380 mm/memory.c:3651 handle_pte_fault mm/memory.c:5396 [inline] __handle_mm_fault+0x2311/0x53f0 mm/memory.c:5523 handle_mm_fault+0x476/0xa00 mm/memory.c:5688 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:copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline] RIP: 0010:raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline] RIP: 0010:_copy_to_user lib/usercopy.c:46 [inline] RIP: 0010:_copy_to_user+0xa7/0xc0 lib/usercopy.c:39 Code: 89 ee 48 89 ef e8 89 a4 0a fd 4d 85 f6 75 b5 e8 0f aa 0a fd 89 de 4c 89 e7 e8 35 84 66 fd 0f 01 cb 48 89 d9 48 89 ef 4c 89 e6 a4 0f 1f 00 0f 01 ca 48 89 cb eb 8d 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc90003277de0 EFLAGS: 00050246 RAX: 0000000000000001 RBX: 0000000000000010 RCX: 0000000000000010 RDX: fffff5200064efc8 RSI: ffffc90003277e30 RDI: 0000000020000280 RBP: 0000000020000280 R08: 0000000000000000 R09: fffff5200064efc7 R10: ffffc90003277e3f R11: 0000000000000000 R12: ffffc90003277e30 R13: 0000000020000290 R14: 0000000000000000 R15: 0000000000000000 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: 0033:0x7fd22d32a7b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff7015eea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 00007fff7015f088 RCX: 00007fd22d32a7b9 RDX: 00007fd22d32a7b9 RSI: 0000000020000280 RDI: 0000000000000000 RBP: 00007fd22d3a2610 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff7015f078 R14: 0000000000000001 R15: 0000000000000001 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 84 39 c8 fd 4d 85 ff 0f 84 f6 f8 ff ff e8 46 3e c8 fd 49 83 ec 01 e9 eb f8 ff ff e8 38 3e c8 fd 90 <0f> 0b e8 30 3e c8 fd e8 5b 0a 3b fd e9 f0 f1 ff ff 48 89 4c 24 08 RSP: 0018:ffffc90003277838 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880329008d0 RCX: ffffffff83c58900 RDX: ffff888025b14880 RSI: ffffffff83c596b8 RDI: 0000000000000007 RBP: ffffc90003277b78 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff939349f0 R12: ffffc900032778b8 R13: 0000000000000001 R14: ffffea0000a9c1c0 R15: ffff888032900d78 FS: 0000555584d97380(0000) GS:ffff88806b000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561842eb5560 CR3: 000000002ce7e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 ee mov %ebp,%esi 2: 48 89 ef mov %rbp,%rdi 5: e8 89 a4 0a fd call 0xfd0aa493 a: 4d 85 f6 test %r14,%r14 d: 75 b5 jne 0xffffffc4 f: e8 0f aa 0a fd call 0xfd0aaa23 14: 89 de mov %ebx,%esi 16: 4c 89 e7 mov %r12,%rdi 19: e8 35 84 66 fd call 0xfd668453 1e: 0f 01 cb stac 21: 48 89 d9 mov %rbx,%rcx 24: 48 89 ef mov %rbp,%rdi 27: 4c 89 e6 mov %r12,%rsi * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: 0f 1f 00 nopl (%rax) 2f: 0f 01 ca clac 32: 48 89 cb mov %rcx,%rbx 35: eb 8d jmp 0xffffffc4 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax)