general protection fault, probably for non-canonical address 0xdffffc0008bc06c5: 0000 [#1] PREEMPT SMP KASAN KASAN: probably user-memory-access in range [0x0000000045e03628-0x0000000045e0362f] CPU: 0 PID: 7980 Comm: syz-executor.5 Not tainted 6.7.0-rc5-syzkaller-00125-gc7402612e2e6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1457 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2254 [inline] RIP: 0010:gfs2_dump_glock+0xf05/0x1ba0 fs/gfs2/glock.c:2370 Code: c6 05 2a 0a 2a 0b 01 48 c7 c7 00 e3 ad 8b be ed 02 00 00 48 c7 c2 40 e3 ad 8b e8 66 c6 ab fd 4d 8d 75 20 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 27 84 c0 0f 85 b6 06 00 00 41 0f b7 1e 89 de 81 e6 00 RSP: 0018:ffffc90004ebf6c0 EFLAGS: 00010207 RAX: ffffffff83c1bfe2 RBX: 0000000000000001 RCX: ffff88801d475940 RDX: 0000000000000000 RSI: ffffffff8bbdf180 RDI: ffffffff8bbdf140 RBP: ffffc90004ebf9b0 R08: ffffffff83c1bfcb R09: 1ffffffff21bb26c R10: dffffc0000000000 R11: fffffbfff21bb26d R12: dffffc0000000000 R13: 0000000045e0360e R14: 0000000045e0362e R15: 0000000008bc06c5 FS: 00007f5738d416c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555ccf938 CR3: 0000000026301000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_consist_inode_i+0xf5/0x110 fs/gfs2/util.c:456 gfs2_dirent_scan+0x512/0x640 fs/gfs2/dir.c:602 gfs2_dir_read+0x82f/0x1af0 fs/gfs2/dir.c:1599 gfs2_readdir+0x14e/0x1b0 fs/gfs2/file.c:116 iterate_dir+0x1cd/0x540 fs/readdir.c:106 __do_sys_getdents64 fs/readdir.c:405 [inline] __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:390 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f573807cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f5738d410c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f573819c050 RCX: 00007f573807cba9 RDX: 000000000000004a RSI: 0000000020000200 RDI: 0000000000000005 RBP: 00007f57380c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f573819c050 R15: 00007ffccf899798 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pid_is_meaningful fs/gfs2/glock.c:1457 [inline] RIP: 0010:dump_holder fs/gfs2/glock.c:2254 [inline] RIP: 0010:gfs2_dump_glock+0xf05/0x1ba0 fs/gfs2/glock.c:2370 Code: c6 05 2a 0a 2a 0b 01 48 c7 c7 00 e3 ad 8b be ed 02 00 00 48 c7 c2 40 e3 ad 8b e8 66 c6 ab fd 4d 8d 75 20 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 27 84 c0 0f 85 b6 06 00 00 41 0f b7 1e 89 de 81 e6 00 RSP: 0018:ffffc90004ebf6c0 EFLAGS: 00010207 RAX: ffffffff83c1bfe2 RBX: 0000000000000001 RCX: ffff88801d475940 RDX: 0000000000000000 RSI: ffffffff8bbdf180 RDI: ffffffff8bbdf140 RBP: ffffc90004ebf9b0 R08: ffffffff83c1bfcb R09: 1ffffffff21bb26c R10: dffffc0000000000 R11: fffffbfff21bb26d R12: dffffc0000000000 R13: 0000000045e0360e R14: 0000000045e0362e R15: 0000000008bc06c5 FS: 00007f5738d416c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01e0d5000 CR3: 0000000026301000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: c6 05 2a 0a 2a 0b 01 movb $0x1,0xb2a0a2a(%rip) # 0xb2a0a31 7: 48 c7 c7 00 e3 ad 8b mov $0xffffffff8bade300,%rdi e: be ed 02 00 00 mov $0x2ed,%esi 13: 48 c7 c2 40 e3 ad 8b mov $0xffffffff8bade340,%rdx 1a: e8 66 c6 ab fd call 0xfdabc685 1f: 4d 8d 75 20 lea 0x20(%r13),%r14 23: 4d 89 f7 mov %r14,%r15 26: 49 c1 ef 03 shr $0x3,%r15 * 2a: 43 0f b6 04 27 movzbl (%r15,%r12,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 b6 06 00 00 jne 0x6ed 37: 41 0f b7 1e movzwl (%r14),%ebx 3b: 89 de mov %ebx,%esi 3d: 81 .byte 0x81 3e: e6 00 out %al,$0x0