general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 1219 Comm: syz.1.106 Not tainted 5.10.230-syzkaller-1004257-ga359b995b6bb #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:2907 [inline]
RIP: 0010:update_sit_entry+0x5e0/0x1060 fs/f2fs/segment.c:2330
Code: 4d 90 48 8d 5c c8 18 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 dd c1 88 ff 4c 8b 33 4d 01 fe 4d 89 f4 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 21 09 00 00 41 0f b6 1e 41 89 df 8b 45
RSP: 0018:ffffc90001fa6cf8 EFLAGS: 00010246
RAX: 1ffff1102159f43a RBX: ffff88810acfa1d0 RCX: 0000000000000037
RDX: ffff888113f98000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001fa6d90 R08: ffffffff821f98f1 R09: ffffffff821f944d
R10: 0000000000000003 R11: ffff888113f98000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6150ad26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6150ad1fb8 CR3: 0000000117862000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 f2fs_allocate_data_block+0x18ee/0x3150 fs/f2fs/segment.c:3487
 __allocate_data_block+0x5a7/0xb10 fs/f2fs/data.c:1407
 f2fs_map_blocks+0x18ef/0x3e50 fs/f2fs/data.c:1575
 f2fs_iomap_begin+0x270/0x980 fs/f2fs/data.c:4118
 iomap_apply+0x116/0x8a0 fs/iomap/apply.c:46
 __iomap_dio_rw+0x767/0x10f0 fs/iomap/direct-io.c:527
 f2fs_dio_write_iter fs/f2fs/file.c:4728 [inline]
 f2fs_file_write_iter+0x12b1/0x2570 fs/f2fs/file.c:4843
 call_write_iter include/linux/fs.h:2058 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xb4c/0xe70 fs/read_write.c:605
 ksys_write+0x199/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6151074809
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:00007f6150ad2058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f615123a080 RCX: 00007f6151074809
RDX: 000000000000003b RSI: 0000000020000080 RDI: 0000000000000004
RBP: 00007f61510e793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f615123a080 R15: 00007fff95c935b8
Modules linked in:
---[ end trace 818c22f3f57a4dbe ]---
RIP: 0010:f2fs_test_and_set_bit fs/f2fs/f2fs.h:2907 [inline]
RIP: 0010:update_sit_entry+0x5e0/0x1060 fs/f2fs/segment.c:2330
Code: 4d 90 48 8d 5c c8 18 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 dd c1 88 ff 4c 8b 33 4d 01 fe 4d 89 f4 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 21 09 00 00 41 0f b6 1e 41 89 df 8b 45
RSP: 0018:ffffc90001fa6cf8 EFLAGS: 00010246
RAX: 1ffff1102159f43a RBX: ffff88810acfa1d0 RCX: 0000000000000037
RDX: ffff888113f98000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001fa6d90 R08: ffffffff821f98f1 R09: ffffffff821f944d
R10: 0000000000000003 R11: ffff888113f98000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f6150ad26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555a8294a8 CR3: 0000000117862000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4d 90                	rex.WRB xchg %rax,%r8
   2:	48 8d 5c c8 18       	lea    0x18(%rax,%rcx,8),%rbx
   7:	48 89 d8             	mov    %rbx,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  13:	74 08                	je     0x1d
  15:	48 89 df             	mov    %rbx,%rdi
  18:	e8 dd c1 88 ff       	call   0xff88c1fa
  1d:	4c 8b 33             	mov    (%rbx),%r14
  20:	4d 01 fe             	add    %r15,%r14
  23:	4d 89 f4             	mov    %r14,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 0f b6 04 2c       	movzbl (%r12,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 21 09 00 00    	jne    0x958
  37:	41 0f b6 1e          	movzbl (%r14),%ebx
  3b:	41 89 df             	mov    %ebx,%r15d
  3e:	8b                   	.byte 0x8b
  3f:	45                   	rex.RB