Oops: general protection fault, probably for non-canonical address 0xe3fffa220076a374: 0000 [#1] SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x1ffff11003b51ba0-0x1ffff11003b51ba7] CPU: 1 UID: 0 PID: 6063 Comm: syz.0.22 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1470 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2278 [inline] RIP: 0010:gfs2_dump_glock+0xfbb/0x1bc0 fs/gfs2/glock.c:2398 Code: c0 a6 f0 8b be 4b 03 00 00 48 c7 c2 00 a7 f0 8b e8 aa 92 a5 fd 49 8d 5d 20 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 0f 85 28 06 00 00 48 89 5c 24 28 0f b7 1b 89 RSP: 0018:ffffc90003477700 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 1ffff11003b51ba7 RCX: ffff88802ec61e40 RDX: 0000000000000000 RSI: ffffffff8c036ee0 RDI: ffffffff8c036ea0 RBP: ffffc900034779f0 R08: 0000000000000000 R09: ffffffff83f7f39b R10: dffffc0000000000 R11: fffffbfff1f87e67 R12: ffffffff83f7f39b R13: 1ffff11003b51b87 R14: 03fffe220076a374 R15: 0000000000000000 FS: 00007f100107b6c0(0000) GS:ffff888125ae8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f34cf1d5000 CR3: 000000006d336000 CR4: 00000000003526f0 Call Trace: gfs2_consist_inode_i+0xf5/0x110 fs/gfs2/util.c:446 gfs2_dirent_scan+0x545/0x690 fs/gfs2/dir.c:-1 gfs2_dir_read+0x804/0x16f0 fs/gfs2/dir.c:1600 gfs2_readdir+0x14c/0x1b0 fs/gfs2/file.c:116 iterate_dir+0x399/0x570 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:410 [inline] __se_sys_getdents64+0xe4/0x260 fs/readdir.c:396 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f100018eba9 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:00007f100107b038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f10003d6090 RCX: 00007f100018eba9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f1000211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f10003d6128 R14: 00007f10003d6090 R15: 00007ffe57bf3f78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1470 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2278 [inline] RIP: 0010:gfs2_dump_glock+0xfbb/0x1bc0 fs/gfs2/glock.c:2398 Code: c0 a6 f0 8b be 4b 03 00 00 48 c7 c2 00 a7 f0 8b e8 aa 92 a5 fd 49 8d 5d 20 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 0f 85 28 06 00 00 48 89 5c 24 28 0f b7 1b 89 RSP: 0018:ffffc90003477700 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 1ffff11003b51ba7 RCX: ffff88802ec61e40 RDX: 0000000000000000 RSI: ffffffff8c036ee0 RDI: ffffffff8c036ea0 RBP: ffffc900034779f0 R08: 0000000000000000 R09: ffffffff83f7f39b R10: dffffc0000000000 R11: fffffbfff1f87e67 R12: ffffffff83f7f39b R13: 1ffff11003b51b87 R14: 03fffe220076a374 R15: 0000000000000000 FS: 00007f100107b6c0(0000) GS:ffff888125ae8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f34cf1d5000 CR3: 000000006d336000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: c0 a6 f0 8b be 4b 03 shlb $0x3,0x4bbe8bf0(%rsi) 7: 00 00 add %al,(%rax) 9: 48 c7 c2 00 a7 f0 8b mov $0xffffffff8bf0a700,%rdx 10: e8 aa 92 a5 fd call 0xfda592bf 15: 49 8d 5d 20 lea 0x20(%r13),%rbx 19: 49 89 de mov %rbx,%r14 1c: 49 c1 ee 03 shr $0x3,%r14 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 41 0f b6 04 06 movzbl (%r14,%rax,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 28 06 00 00 jne 0x65f 37: 48 89 5c 24 28 mov %rbx,0x28(%rsp) 3c: 0f b7 1b movzwl (%rbx),%ebx 3f: 89 .byte 0x89