gfs2: fsid=syz:syz.0: H: s:?? f:tenE e:0 p:0 [(ended)] spin_lock include/linux/spinlock.h:350 [inline] gfs2: fsid=syz:syz.0: H: s:?? f:tenE e:0 p:0 [(ended)] lockref_put_or_lock+0x18/0x80 lib/lockref.c:148 general protection fault, probably for non-canonical address 0xff8c955f0602fde6: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfc64caf83017ef30-0xfc64caf83017ef37] CPU: 1 PID: 5691 Comm: syz-executor.2 Not tainted 6.1.0-syzkaller-13409-g2f26e424552e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1437 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2262 [inline] RIP: 0010:gfs2_dump_glock+0xcf6/0x1bd0 fs/gfs2/glock.c:2376 Code: e8 6f 3a dd fd 31 ff 89 c3 89 c6 e8 34 78 f3 fd 84 db 58 0f 84 a4 08 00 00 e8 b6 7b f3 fd 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 01 0f 8e c2 0a 00 00 41 0f b7 6c 24 RSP: 0018:ffffc9000a397250 EFLAGS: 00010213 RAX: 1f8c995f0602fde6 RBX: 0000000000000001 RCX: ffffc9000ca7f000 RDX: 0000000000040000 RSI: ffffffff838dd60a RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: fc64caf83017ef16 R13: ffffffff8a77ab60 R14: fc64caf83017ef36 R15: dffffc0000000000 FS: 00007fe819323700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffa081a8000 CR3: 0000000077d8d000 CR4: 0000000000350ee0 Call Trace: gfs2_consist_inode_i+0x104/0x150 fs/gfs2/util.c:465 gfs2_dirent_scan+0x2f7/0x3a0 fs/gfs2/dir.c:602 gfs2_dirent_search+0x47d/0x580 fs/gfs2/dir.c:850 gfs2_dir_search+0x8d/0x2d0 fs/gfs2/dir.c:1650 gfs2_lookupi+0x481/0x640 fs/gfs2/inode.c:328 __gfs2_lookup+0x83/0x280 fs/gfs2/inode.c:880 gfs2_atomic_open+0xde/0x250 fs/gfs2/inode.c:1284 atomic_open fs/namei.c:3276 [inline] lookup_open.isra.0+0xb6c/0x1270 fs/namei.c:3384 open_last_lookups fs/namei.c:3481 [inline] path_openat+0x975/0x2a50 fs/namei.c:3711 do_filp_open+0x1ba/0x410 fs/namei.c:3741 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x11d/0x1c0 fs/open.c:1330 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe81868c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007fe819323168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fe8187ac050 RCX: 00007fe81868c0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020001700 RBP: 00007fe8186e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd309db18f R14: 00007fe819323300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1437 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2262 [inline] RIP: 0010:gfs2_dump_glock+0xcf6/0x1bd0 fs/gfs2/glock.c:2376 Code: e8 6f 3a dd fd 31 ff 89 c3 89 c6 e8 34 78 f3 fd 84 db 58 0f 84 a4 08 00 00 e8 b6 7b f3 fd 4d 8d 74 24 20 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 01 0f 8e c2 0a 00 00 41 0f b7 6c 24 RSP: 0018:ffffc9000a397250 EFLAGS: 00010213 RAX: 1f8c995f0602fde6 RBX: 0000000000000001 RCX: ffffc9000ca7f000 RDX: 0000000000040000 RSI: ffffffff838dd60a RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: fc64caf83017ef16 R13: ffffffff8a77ab60 R14: fc64caf83017ef36 R15: dffffc0000000000 FS: 00007fe819323700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32125000 CR3: 0000000077d8d000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: e8 6f 3a dd fd callq 0xfddd3a74 5: 31 ff xor %edi,%edi 7: 89 c3 mov %eax,%ebx 9: 89 c6 mov %eax,%esi b: e8 34 78 f3 fd callq 0xfdf37844 10: 84 db test %bl,%bl 12: 58 pop %rax 13: 0f 84 a4 08 00 00 je 0x8bd 19: e8 b6 7b f3 fd callq 0xfdf37bd4 1e: 4d 8d 74 24 20 lea 0x20(%r12),%r14 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 74 08 je 0x3b 33: 3c 01 cmp $0x1,%al 35: 0f 8e c2 0a 00 00 jle 0xafd 3b: 41 rex.B 3c: 0f .byte 0xf 3d: b7 6c mov $0x6c,%bh 3f: 24 .byte 0x24