F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
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: 4251 Comm: syz-executor342 Not tainted 6.1.123-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:2927 [inline]
RIP: 0010:update_sit_entry+0x67f/0x10d0 fs/f2fs/segment.c:2227
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 3e 44 04 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:ffffc90003d76a70 EFLAGS: 00010247
RAX: 1ffff11003ad7e88 RBX: 0000000000000000 RCX: 0000000000000420
RDX: ffff88801abb3b80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000080 R08: ffffffff83ddea38 R09: ffffffff83dde58a
R10: 0000000000000003 R11: ffff88801abb3b80 R12: 0000000000000001
R13: 0000000000000005 R14: 0000000000000005 R15: dffffc0000000000
FS: 00007faf044d46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faf044b3d58 CR3: 0000000075919000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
f2fs_allocate_data_block+0x149a/0x3310 fs/f2fs/segment.c:3275
do_write_page+0x172/0x6e0 fs/f2fs/segment.c:3363
f2fs_do_write_node_page+0xec/0x1a0 fs/f2fs/segment.c:3416
__write_node_page+0xc36/0x2600 fs/f2fs/node.c:1665
f2fs_fsync_node_pages+0x17c0/0x22d0 fs/f2fs/node.c:1818
f2fs_do_sync_file+0x157e/0x1cf0 fs/f2fs/file.c:343
generic_write_sync include/linux/fs.h:2962 [inline]
iomap_dio_complete+0x64e/0x7d0 fs/iomap/direct-io.c:130
f2fs_dio_write_iter fs/f2fs/file.c:4735 [inline]
f2fs_file_write_iter+0x1344/0x2490 fs/f2fs/file.c:4839
do_iter_write+0x6e6/0xc40 fs/read_write.c:861
iter_file_splice_write+0x830/0xfc0 fs/splice.c:685
do_splice_from fs/splice.c:763 [inline]
direct_splice_actor+0xe3/0x1c0 fs/splice.c:950
splice_direct_to_actor+0x4c7/0xc30 fs/splice.c:896
do_splice_direct+0x2a5/0x3e0 fs/splice.c:1002
do_sendfile+0x619/0xff0 fs/read_write.c:1255
__do_sys_sendfile64 fs/read_write.c:1323 [inline]
__se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1309
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7faf045167e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faf044d4218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007faf045af728 RCX: 00007faf045167e9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000006
RBP: 00007faf045af720 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000246 R12: 00007faf0457c624
R13: a92483129444e42d R14: 0000000020020c40 R15: b8651aa520050f65
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:f2fs_test_and_set_bit fs/f2fs/f2fs.h:2927 [inline]
RIP: 0010:update_sit_entry+0x67f/0x10d0 fs/f2fs/segment.c:2227
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 3e 44 04 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:ffffc90003d76a70 EFLAGS: 00010247
RAX: 1ffff11003ad7e88 RBX: 0000000000000000 RCX: 0000000000000420
RDX: ffff88801abb3b80 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000080 R08: ffffffff83ddea38 R09: ffffffff83dde58a
R10: 0000000000000003 R11: ffff88801abb3b80 R12: 0000000000000001
R13: 0000000000000005 R14: 0000000000000005 R15: dffffc0000000000
FS: 00007faf044d46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faf044b3d58 CR3: 0000000075919000 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 3e 44 04 fe call 0xfe04445b
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