Oops: general protection fault, probably for non-canonical address 0xe3fffb24001051e1: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x1ffff92000828f08-0x1ffff92000828f0f] CPU: 0 UID: 0 PID: 6369 Comm: syz.0.87 Not tainted 6.13.0-rc4-syzkaller-00078-g059dd502b263 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1463 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2291 [inline] RIP: 0010:gfs2_dump_glock+0x11d3/0x1c80 fs/gfs2/glock.c:2407 Code: e8 12 14 56 07 31 ff 89 c3 89 c6 e8 77 81 c8 fd 85 db 58 0f 85 75 04 00 00 e8 29 7f c8 fd 49 8d 5c 24 20 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 01 0f 8e 80 06 00 00 41 0f b7 6c 24 RSP: 0018:ffffc9000487f128 EFLAGS: 00010217 RAX: 03ffff24001051e1 RBX: 1ffff92000828f0d RCX: ffffc9000c4d1000 RDX: 0000000000080000 RSI: ffffffff83d195f7 RDI: 0000000000000001 RBP: ffffffff8bbbbd20 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 1ffff92000828eed R13: ffffc9000487f218 R14: ffffc90004147722 R15: dffffc0000000000 FS: 00007fd9f4c1e6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f109e070000 CR3: 000000002fb8c000 CR4: 0000000000350ef0 Call Trace: gfs2_consist_inode_i+0x104/0x150 fs/gfs2/util.c:457 gfs2_dirent_scan+0x352/0x400 fs/gfs2/dir.c:589 gfs2_dirent_search+0x459/0x5c0 fs/gfs2/dir.c:853 gfs2_dir_search+0x98/0x2e0 fs/gfs2/dir.c:1653 gfs2_lookupi+0x4b9/0x6f0 fs/gfs2/inode.c:340 __gfs2_lookup+0xa1/0x290 fs/gfs2/inode.c:897 __lookup_slow+0x252/0x460 fs/namei.c:1791 lookup_slow fs/namei.c:1808 [inline] walk_component+0x350/0x5b0 fs/namei.c:2112 lookup_last fs/namei.c:2610 [inline] path_lookupat+0x17f/0x770 fs/namei.c:2634 filename_lookup+0x221/0x5f0 fs/namei.c:2663 user_path_at+0x3a/0x60 fs/namei.c:3070 bpf_obj_do_get kernel/bpf/inode.c:503 [inline] bpf_obj_get_user+0xaf/0x490 kernel/bpf/inode.c:538 bpf_obj_get kernel/bpf/syscall.c:3033 [inline] __sys_bpf+0x2130/0x49c0 kernel/bpf/syscall.c:5796 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9f3d85d29 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:00007fd9f4c1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd9f3f75fa0 RCX: 00007fd9f3d85d29 RDX: 0000000000000018 RSI: 00000000200002c0 RDI: 0000000000000007 RBP: 00007fd9f3e01b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd9f3f75fa0 R15: 00007ffdf4ab4128 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1463 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2291 [inline] RIP: 0010:gfs2_dump_glock+0x11d3/0x1c80 fs/gfs2/glock.c:2407 Code: e8 12 14 56 07 31 ff 89 c3 89 c6 e8 77 81 c8 fd 85 db 58 0f 85 75 04 00 00 e8 29 7f c8 fd 49 8d 5c 24 20 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 74 08 3c 01 0f 8e 80 06 00 00 41 0f b7 6c 24 RSP: 0018:ffffc9000487f128 EFLAGS: 00010217 RAX: 03ffff24001051e1 RBX: 1ffff92000828f0d RCX: ffffc9000c4d1000 RDX: 0000000000080000 RSI: ffffffff83d195f7 RDI: 0000000000000001 RBP: ffffffff8bbbbd20 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 1ffff92000828eed R13: ffffc9000487f218 R14: ffffc90004147722 R15: dffffc0000000000 FS: 00007fd9f4c1e6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffb9e5dff8 CR3: 000000002fb8c000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: e8 12 14 56 07 call 0x7561417 5: 31 ff xor %edi,%edi 7: 89 c3 mov %eax,%ebx 9: 89 c6 mov %eax,%esi b: e8 77 81 c8 fd call 0xfdc88187 10: 85 db test %ebx,%ebx 12: 58 pop %rax 13: 0f 85 75 04 00 00 jne 0x48e 19: e8 29 7f c8 fd call 0xfdc87f47 1e: 49 8d 5c 24 20 lea 0x20(%r12),%rbx 23: 48 89 d8 mov %rbx,%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 80 06 00 00 jle 0x6bb 3b: 41 rex.B 3c: 0f .byte 0xf 3d: b7 6c mov $0x6c,%bh 3f: 24 .byte 0x24