general protection fault, probably for non-canonical address 0xec2e8a640768ea1a: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x617473203b4750d0-0x617473203b4750d7] CPU: 0 PID: 9688 Comm: syz-executor.5 Not tainted 6.3.0-syzkaller-12049-g58390c8ce1bd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:string_nocheck lib/vsprintf.c:644 [inline] RIP: 0010:string+0x1a5/0x2b0 lib/vsprintf.c:726 Code: 85 c0 0f 84 db 00 00 00 4c 89 7c 24 08 49 89 c7 49 ff cf 31 db 49 8d 3c 1c 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 5d 4c 8d 6c 1d 00 41 0f b6 2c 1c 31 ff 89 ee RSP: 0000:ffffc90005836e90 EFLAGS: 00010002 RAX: 0c2e8e640768ea1a RBX: 0000000000000000 RCX: dffffc0000000000 RDX: ffff888020aebb80 RSI: ffffffffffffffff RDI: 617473203b4750d1 RBP: ffffc900058373a5 R08: ffffffff8aa943c7 R09: ffffffff8aa90a9f R10: 0000000000000012 R11: ffff888020aebb80 R12: 617473203b4750d1 R13: 0000000000000000 R14: ffffc900058373a5 R15: fffffffffffffffe FS: 00007f7fd5569700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3e058e000 CR3: 000000002a161000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vsnprintf+0x10fc/0x1d80 lib/vsprintf.c:2817 va_format lib/vsprintf.c:1681 [inline] pointer+0xa39/0x1200 lib/vsprintf.c:2448 vsnprintf+0xdab/0x1d80 lib/vsprintf.c:2821 vprintk_store+0x47f/0x1160 kernel/printk/printk.c:2191 vprintk_emit+0x9e/0x1f0 kernel/printk/printk.c:2288 _printk+0xd5/0x120 kernel/printk/printk.c:2328 gfs2_print_dbg+0x198/0x1b0 fs/gfs2/glock.c:1449 dump_holder fs/gfs2/glock.c:2275 [inline] gfs2_dump_glock+0x1415/0x1ad0 fs/gfs2/glock.c:2382 gfs2_consist_inode_i+0xf5/0x110 fs/gfs2/util.c:465 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+0x228/0x570 __do_sys_getdents64 fs/readdir.c:369 [inline] __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:354 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: 0033:0x7f7fd488c169 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:00007f7fd5569168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 RAX: ffffffffffffffda RBX: 00007f7fd49abf80 RCX: 00007f7fd488c169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f7fd48e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff5e89ffaf R14: 00007f7fd5569300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:string_nocheck lib/vsprintf.c:644 [inline] RIP: 0010:string+0x1a5/0x2b0 lib/vsprintf.c:726 Code: 85 c0 0f 84 db 00 00 00 4c 89 7c 24 08 49 89 c7 49 ff cf 31 db 49 8d 3c 1c 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 75 5d 4c 8d 6c 1d 00 41 0f b6 2c 1c 31 ff 89 ee RSP: 0000:ffffc90005836e90 EFLAGS: 00010002 RAX: 0c2e8e640768ea1a RBX: 0000000000000000 RCX: dffffc0000000000 RDX: ffff888020aebb80 RSI: ffffffffffffffff RDI: 617473203b4750d1 RBP: ffffc900058373a5 R08: ffffffff8aa943c7 R09: ffffffff8aa90a9f R10: 0000000000000012 R11: ffff888020aebb80 R12: 617473203b4750d1 R13: 0000000000000000 R14: ffffc900058373a5 R15: fffffffffffffffe FS: 00007f7fd5569700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3e058e000 CR3: 000000002a161000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 85 c0 test %eax,%eax 2: 0f 84 db 00 00 00 je 0xe3 8: 4c 89 7c 24 08 mov %r15,0x8(%rsp) d: 49 89 c7 mov %rax,%r15 10: 49 ff cf dec %r15 13: 31 db xor %ebx,%ebx 15: 49 8d 3c 1c lea (%r12,%rbx,1),%rdi 19: 48 89 f8 mov %rdi,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 75 5d jne 0x8f 32: 4c 8d 6c 1d 00 lea 0x0(%rbp,%rbx,1),%r13 37: 41 0f b6 2c 1c movzbl (%r12,%rbx,1),%ebp 3c: 31 ff xor %edi,%edi 3e: 89 ee mov %ebp,%esi