F2FS-fs (loop4): Try to recover 1th superblock, ret: 0
F2FS-fs (loop4): Mounted with checkpoint version = 48b305e6
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 5730 Comm: syz.4.42 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:f2fs_test_and_set_bit fs/f2fs/f2fs.h:2768 [inline]
RIP: 0010:update_sit_entry+0x67f/0x10d0 fs/f2fs/segment.c:2305
Code: 24 30 48 8d 5c 08 20 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ee cc 19 fe 4c 8b 33 4d 01 ee 4c 89 f3 48 c1 eb 03 <42> 0f b6 04 3b 84 c0 4d 89 fd 0f 85 8a 08 00 00 41 0f b6 2e 41 89
RSP: 0018:ffffc9000336e7d0 EFLAGS: 00010246
RAX: 1ffff11004b99016 RBX: 0000000000000000 RCX: 0000000000000090
RDX: ffff88807e1c3b80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000000007c R08: ffffffff83b09278 R09: ffffffff83b08dca
R10: 0000000000000003 R11: ffff88807e1c3b80 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007ff26213f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff26211ed58 CR3: 000000013fed3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_allocate_data_block+0x107e/0x3570 fs/f2fs/segment.c:3432
 do_write_page+0x172/0x6e0 fs/f2fs/segment.c:3520
 f2fs_outplace_write_data+0x172/0x340 fs/f2fs/segment.c:3586
 f2fs_do_write_data_page+0xd03/0x13a0 fs/f2fs/data.c:2769
 f2fs_write_single_data_page+0x128a/0x1c10 fs/f2fs/data.c:2893
 f2fs_write_cache_pages fs/f2fs/data.c:3144 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3294 [inline]
 f2fs_write_data_pages+0x17d8/0x2bd0 fs/f2fs/data.c:3321
 do_writepages+0x481/0x730 mm/page-writeback.c:2386
 filemap_fdatawrite_wbc+0x1d6/0x230 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 filemap_write_and_wait_range+0x19e/0x280 mm/filemap.c:704
 __generic_file_write_iter+0x3ae/0x4f0 mm/filemap.c:3898
 f2fs_file_write_iter+0x6d4/0xb80 fs/f2fs/file.c:4400
 do_iter_readv_writev+0x594/0x7a0
 do_iter_write+0x1e6/0x760 fs/read_write.c:855
 iter_file_splice_write+0x806/0xfa0 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe3/0x1c0 fs/splice.c:936
 splice_direct_to_actor+0x500/0xc10 fs/splice.c:891
 do_splice_direct+0x285/0x3d0 fs/splice.c:979
 do_sendfile+0x622/0x1000 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1303
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff262ebeff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff26213f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007ff263076f80 RCX: 00007ff262ebeff9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
RBP: 00007ff262f31296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000800000100001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff263076f80 R15: 00007ffcaab40858
 </TASK>
Modules linked in:
---[ end trace 232e2d3840df019e ]---
RIP: 0010:f2fs_test_and_set_bit fs/f2fs/f2fs.h:2768 [inline]
RIP: 0010:update_sit_entry+0x67f/0x10d0 fs/f2fs/segment.c:2305
Code: 24 30 48 8d 5c 08 20 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 ee cc 19 fe 4c 8b 33 4d 01 ee 4c 89 f3 48 c1 eb 03 <42> 0f b6 04 3b 84 c0 4d 89 fd 0f 85 8a 08 00 00 41 0f b6 2e 41 89
RSP: 0018:ffffc9000336e7d0 EFLAGS: 00010246
RAX: 1ffff11004b99016 RBX: 0000000000000000 RCX: 0000000000000090
RDX: ffff88807e1c3b80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000000007c R08: ffffffff83b09278 R09: ffffffff83b08dca
R10: 0000000000000003 R11: ffff88807e1c3b80 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007ff26213f6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57a6974000 CR3: 000000013fed3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	24 30                	and    $0x30,%al
   2:	48 8d 5c 08 20       	lea    0x20(%rax,%rcx,1),%rbx
   7:	48 89 d8             	mov    %rbx,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  13:	74 08                	je     0x1d
  15:	48 89 df             	mov    %rbx,%rdi
  18:	e8 ee cc 19 fe       	call   0xfe19cd0b
  1d:	4c 8b 33             	mov    (%rbx),%r14
  20:	4d 01 ee             	add    %r13,%r14
  23:	4c 89 f3             	mov    %r14,%rbx
  26:	48 c1 eb 03          	shr    $0x3,%rbx
* 2a:	42 0f b6 04 3b       	movzbl (%rbx,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	4d 89 fd             	mov    %r15,%r13
  34:	0f 85 8a 08 00 00    	jne    0x8c4
  3a:	41 0f b6 2e          	movzbl (%r14),%ebp
  3e:	41                   	rex.B
  3f:	89                   	.byte 0x89