gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
gfs2: fsid=syz:syz.0: can't find local "sc" file#0: -2
general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f]
CPU: 1 PID: 20284 Comm: syz-executor.5 Not tainted 6.3.0-rc2-syzkaller-00050-g9c1bec9c0b08 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1370 [inline]
RIP: 0010:gfs2_evict_inode+0xa0b/0x14a0 fs/gfs2/super.c:1420
Code: fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 0e df 26 fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 18 09 00 00 8b 13 45 31 e4 4c 89 ff 31 f6
RSP: 0018:ffffc9000af9f480 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: dffffc0000000000
RDX: ffffc9000bd3e000 RSI: 0000000000027b39 RDI: 0000000000027b3a
RBP: ffffc9000af9f620 R08: ffffffff83b2818d R09: ffffed1004719221
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880744e98e0
R13: ffff8880744e9428 R14: ffff88807cdf4900 R15: ffff88807cdf4000
FS:  00007fd718555700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdead6a8718 CR3: 0000000046a40000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 evict+0x2a4/0x620 fs/inode.c:665
 gfs2_jindex_free+0x44d/0x500 fs/gfs2/super.c:75
 init_journal+0x9f2/0x23e0 fs/gfs2/ops_fstype.c:871
 init_inodes+0xdc/0x310 fs/gfs2/ops_fstype.c:889
 gfs2_fill_super+0x1d02/0x2840 fs/gfs2/ops_fstype.c:1253
 get_tree_bdev+0x402/0x620 fs/super.c:1294
 gfs2_get_tree+0x54/0x210 fs/gfs2/ops_fstype.c:1338
 vfs_get_tree+0x8c/0x270 fs/super.c:1501
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd71788d62a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007fd718554f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 000000000001254b RCX: 00007fd71788d62a
RDX: 0000000020000040 RSI: 0000000020012500 RDI: 00007fd718554fe0
RBP: 00007fd718555020 R08: 00007fd718555020 R09: 0000000000800000
R10: 0000000000800000 R11: 0000000000000202 R12: 0000000020000040
R13: 0000000020012500 R14: 00007fd718554fe0 R15: 0000000020000100
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:evict_linked_inode fs/gfs2/super.c:1370 [inline]
RIP: 0010:gfs2_evict_inode+0xa0b/0x14a0 fs/gfs2/super.c:1420
Code: fc ff df 80 3c 08 00 74 08 4c 89 f7 e8 0e df 26 fe bb 8c 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 18 09 00 00 8b 13 45 31 e4 4c 89 ff 31 f6
RSP: 0018:ffffc9000af9f480 EFLAGS: 00010207
RAX: 0000000000000011 RBX: 000000000000008c RCX: dffffc0000000000
RDX: ffffc9000bd3e000 RSI: 0000000000027b39 RDI: 0000000000027b3a
RBP: ffffc9000af9f620 R08: ffffffff83b2818d R09: ffffed1004719221
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880744e98e0
R13: ffff8880744e9428 R14: ffff88807cdf4900 R15: ffff88807cdf4000
FS:  00007fd718555700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdea2df9000 CR3: 0000000046a40000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	df 80 3c 08 00 74    	filds  0x7400083c(%rax)
   6:	08 4c 89 f7          	or     %cl,-0x9(%rcx,%rcx,4)
   a:	e8 0e df 26 fe       	callq  0xfe26df1d
   f:	bb 8c 00 00 00       	mov    $0x8c,%ebx
  14:	49 03 1e             	add    (%r14),%rbx
  17:	48 89 d8             	mov    %rbx,%rax
  1a:	48 c1 e8 03          	shr    $0x3,%rax
  1e:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  25:	fc ff df
* 28:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax <-- trapping instruction
  2c:	84 c0                	test   %al,%al
  2e:	0f 85 18 09 00 00    	jne    0x94c
  34:	8b 13                	mov    (%rbx),%edx
  36:	45 31 e4             	xor    %r12d,%r12d
  39:	4c 89 ff             	mov    %r15,%rdi
  3c:	31 f6                	xor    %esi,%esi