./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2319721958 <...> Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts. execve("./syz-executor2319721958", ["./syz-executor2319721958"], 0x7ffe30d4a800 /* 10 vars */) = 0 brk(NULL) = 0x555565493000 brk(0x555565493d00) = 0x555565493d00 arch_prctl(ARCH_SET_FS, 0x555565493380) = 0 set_tid_address(0x555565493650) = 5064 set_robust_list(0x555565493660, 24) = 0 rseq(0x555565493ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2319721958", 4096) = 28 getrandom("\x42\x85\xa1\x53\x6c\xc7\x77\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565493d00 brk(0x5555654b4d00) = 0x5555654b4d00 brk(0x5555654b5000) = 0x5555654b5000 mprotect(0x7f55e8fe4000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f55e0a00000 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 munmap(0x7f55e0a00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) syzkaller login: [ 60.938363][ T5064] loop0: detected capacity change from 0 to 32768 [ 60.974037][ T5064] [ 60.974037][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 60.974037][ T5064] openat(AT_FDCWD, "./file0", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_PATH|FASYNC, 000) = 4 mkdirat(4, "./bus", 000) = -1 EIO (Input/output error) fspick(AT_FDCWD, ".", 0) = 5 fsconfig(5, FSCONFIG_SET_FLAG, "ro", NULL, 0) = 0 fsconfig(5, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = 0 fsconfig(5, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0) = -1 EINVAL (Invalid argument) [ 61.030660][ T5064] find_entry called with index = 0 [ 61.038353][ T5064] read_mapping_page failed! [ 61.043194][ T5064] ERROR: (device loop0): txCommit: [ 61.043194][ T5064] [ 61.058130][ T5064] [ 61.058130][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.058130][ T5064] [ 61.070139][ T5064] [ 61.070139][ T5064] ... Log Wrap ... Log Wrap ... Log Wrap ... [ 61.070139][ T5064] [ 61.089459][ T5064] ERROR: (device loop0): txBegin: read-only filesystem [ 61.089459][ T5064] [ 61.099529][ T5064] jfs_dirty_inode called on read-only volume [ 61.105784][ T5064] Is remount racy? [ 61.109592][ T5064] jfs_dirty_inode called on read-only volume [ 61.115640][ T5064] Is remount racy? [ 61.119530][ T5064] jfs_dirty_inode called on read-only volume [ 61.128555][ T5064] Is remount racy? [ 61.133812][ T5064] INFO: trying to register non-static key. [ 61.139606][ T5064] The code is fine but needs lockdep annotation, or maybe [ 61.147146][ T5064] you didn't initialize this object before use? [ 61.153487][ T5064] turning off the locking correctness validator. [ 61.159901][ T5064] CPU: 1 PID: 5064 Comm: syz-executor231 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 61.169960][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 61.180026][ T5064] Call Trace: [ 61.183316][ T5064] [ 61.186236][ T5064] dump_stack_lvl+0x241/0x360 [ 61.190918][ T5064] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.196487][ T5064] ? __pfx__printk+0x10/0x10 [ 61.201113][ T5064] ? __is_module_percpu_address+0x3a8/0x420 [ 61.207006][ T5064] ? __module_address+0x32/0x500 [ 61.211952][ T5064] assign_lock_key+0x238/0x270 [ 61.216808][ T5064] ? __pfx_assign_lock_key+0x10/0x10 [ 61.222359][ T5064] register_lock_class+0x1cf/0x980 [ 61.228419][ T5064] ? prb_read_valid+0xa9/0xf0 [ 61.233633][ T5064] ? __pfx_register_lock_class+0x10/0x10 [ 61.239379][ T5064] ? console_unlock+0x239/0x4d0 [ 61.244235][ T5064] __lock_acquire+0xda/0x1fd0 [ 61.249348][ T5064] ? __pfx_llist_add_batch+0x10/0x10 [ 61.255025][ T5064] ? __pfx_console_unlock+0x10/0x10 [ 61.260243][ T5064] ? tick_nohz_tick_stopped+0x82/0xb0 [ 61.265703][ T5064] lock_acquire+0x1e4/0x530 [ 61.270200][ T5064] ? __wake_up_common_lock+0x25/0x1e0 [ 61.275622][ T5064] ? __lock_acquire+0x1346/0x1fd0 [ 61.280689][ T5064] ? __pfx_lock_acquire+0x10/0x10 [ 61.285711][ T5064] _raw_spin_lock_irqsave+0xd5/0x120 [ 61.290990][ T5064] ? __wake_up_common_lock+0x25/0x1e0 [ 61.296440][ T5064] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 61.302325][ T5064] ? do_raw_spin_lock+0x14f/0x370 [ 61.307341][ T5064] ? __pfx__printk+0x10/0x10 [ 61.311932][ T5064] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 61.317386][ T5064] __wake_up_common_lock+0x25/0x1e0 [ 61.322953][ T5064] txEnd+0x8c/0x560 [ 61.326873][ T5064] jfs_create+0x371/0xb90 [ 61.331201][ T5064] ? __pfx_jfs_create+0x10/0x10 [ 61.338103][ T5064] ? __pfx_jfs_lookup+0x10/0x10 [ 61.343923][ T5064] ? make_vfsuid+0x46/0x90 [ 61.348337][ T5064] ? bpf_lsm_inode_create+0x9/0x10 [ 61.353573][ T5064] ? security_inode_create+0xc2/0x110 [ 61.359215][ T5064] ? __pfx_jfs_create+0x10/0x10 [ 61.364253][ T5064] path_openat+0x1425/0x3240 [ 61.368852][ T5064] ? __pfx_path_openat+0x10/0x10 [ 61.373789][ T5064] do_filp_open+0x235/0x490 [ 61.378297][ T5064] ? __pfx_do_filp_open+0x10/0x10 [ 61.383334][ T5064] ? _raw_spin_unlock+0x28/0x50 [ 61.388173][ T5064] ? alloc_fd+0x59d/0x640 [ 61.392497][ T5064] do_sys_openat2+0x13e/0x1d0 [ 61.397167][ T5064] ? __pfx_do_sys_openat2+0x10/0x10 [ 61.402475][ T5064] ? lockdep_hardirqs_on+0x99/0x150 [ 61.407763][ T5064] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.412952][ T5064] ? ptrace_notify+0x279/0x380 [ 61.417707][ T5064] __x64_sys_openat+0x247/0x2a0 [ 61.422561][ T5064] ? __pfx___x64_sys_openat+0x10/0x10 [ 61.427952][ T5064] ? do_syscall_64+0x10a/0x240 [ 61.432703][ T5064] ? syscall_trace_enter+0x5f/0x150 [ 61.439319][ T5064] do_syscall_64+0xfb/0x240 [ 61.444095][ T5064] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 61.450114][ T5064] RIP: 0033:0x7f55e8f6b739 [ 61.454526][ T5064] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 [ 61.474239][ T5064] RSP: 002b:00007ffcc21e5d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.482737][ T5064] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f55e8f6b739 [ 61.490722][ T5064] RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c [ 61.498686][ T5064] RBP: 00007f55e8fe4610 R08: 00007ffcc21e5f68 R09: 00007ffcc21e5f68 [ 61.506682][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.514640][ T5064] R13: 00007ffcc21e5f58 R14: 0000000000000001 R15: 0000000000000001 [ 61.523239][ T5064] [ 61.526280][ T5064] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI [ 61.539771][ T5064] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 61.549271][ T5064] CPU: 1 PID: 5064 Comm: syz-executor231 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 61.559442][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 61.569491][ T5064] RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 [ 61.575475][ T5064] Code: fb 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b8 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 83 23 86 00 48 ba 00 00 00 00 00 fc [ 61.595155][ T5064] RSP: 0018:ffffc9000398f610 EFLAGS: 00010046 [ 61.601214][ T5064] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 61.609196][ T5064] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000398f4e0 [ 61.617153][ T5064] RBP: 0000000000000000 R08: 0000000000000003 R09: fffff52000731e9c [ 61.625287][ T5064] R10: dffffc0000000000 R11: fffff52000731e9c R12: dffffc0000000000 [ 61.633263][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90002651070 [ 61.641840][ T5064] FS: 0000555565493380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 61.653401][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.660510][ T5064] CR2: 0000557a16608c70 CR3: 00000000683b8000 CR4: 00000000003506f0 [ 61.668479][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.676536][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.684500][ T5064] Call Trace: [ 61.687906][ T5064] [ 61.690842][ T5064] ? __die_body+0x88/0xe0 [ 61.695167][ T5064] ? die_addr+0x108/0x140 [ 61.699489][ T5064] ? exc_general_protection+0x3dd/0x5d0 [ 61.705033][ T5064] ? asm_exc_general_protection+0x26/0x30 [ 61.710745][ T5064] ? __wake_up_common_lock+0xcf/0x1e0 [ 61.716225][ T5064] txEnd+0x8c/0x560 [ 61.720079][ T5064] jfs_create+0x371/0xb90 [ 61.724506][ T5064] ? __pfx_jfs_create+0x10/0x10 [ 61.729582][ T5064] ? __pfx_jfs_lookup+0x10/0x10 [ 61.734442][ T5064] ? make_vfsuid+0x46/0x90 [ 61.738858][ T5064] ? bpf_lsm_inode_create+0x9/0x10 [ 61.744067][ T5064] ? security_inode_create+0xc2/0x110 [ 61.749533][ T5064] ? __pfx_jfs_create+0x10/0x10 [ 61.754385][ T5064] path_openat+0x1425/0x3240 [ 61.758984][ T5064] ? __pfx_path_openat+0x10/0x10 [ 61.763921][ T5064] do_filp_open+0x235/0x490 [ 61.768414][ T5064] ? __pfx_do_filp_open+0x10/0x10 [ 61.773630][ T5064] ? _raw_spin_unlock+0x28/0x50 [ 61.778480][ T5064] ? alloc_fd+0x59d/0x640 [ 61.783178][ T5064] do_sys_openat2+0x13e/0x1d0 [ 61.790212][ T5064] ? __pfx_do_sys_openat2+0x10/0x10 [ 61.795413][ T5064] ? lockdep_hardirqs_on+0x99/0x150 [ 61.800604][ T5064] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.805791][ T5064] ? ptrace_notify+0x279/0x380 [ 61.810546][ T5064] __x64_sys_openat+0x247/0x2a0 [ 61.815388][ T5064] ? __pfx___x64_sys_openat+0x10/0x10 [ 61.820768][ T5064] ? do_syscall_64+0x10a/0x240 [ 61.825589][ T5064] ? syscall_trace_enter+0x5f/0x150 [ 61.830883][ T5064] do_syscall_64+0xfb/0x240 [ 61.835390][ T5064] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 61.841279][ T5064] RIP: 0033:0x7f55e8f6b739 [ 61.845693][ T5064] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 [ 61.865371][ T5064] RSP: 002b:00007ffcc21e5d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 61.873864][ T5064] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f55e8f6b739 [ 61.881823][ T5064] RDX: 000000000000275a RSI: 0000000020000080 RDI: 00000000ffffff9c [ 61.889785][ T5064] RBP: 00007f55e8fe4610 R08: 00007ffcc21e5f68 R09: 00007ffcc21e5f68 [ 61.897748][ T5064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.905719][ T5064] R13: 00007ffcc21e5f58 R14: 0000000000000001 R15: 0000000000000001 [ 61.913683][ T5064] [ 61.916872][ T5064] Modules linked in: [ 61.920755][ T5064] ---[ end trace 0000000000000000 ]--- [ 61.926639][ T5064] RIP: 0010:__wake_up_common_lock+0xcf/0x1e0 [ 61.933884][ T5064] Code: fb 0f 84 d1 00 00 00 8b 6c 24 04 eb 13 48 ba 00 00 00 00 00 fc ff df 4c 39 fb 0f 84 b8 00 00 00 49 89 de 48 89 d8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 83 23 86 00 48 ba 00 00 00 00 00 fc [ 61.955099][ T5064] RSP: 0018:ffffc9000398f610 EFLAGS: 00010046 [ 61.961538][ T5064] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 61.969595][ T5064] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000398f4e0 [ 61.977570][ T5064] RBP: 0000000000000000 R08: 0000000000000003 R09: fffff52000731e9c [ 61.985789][ T5064] R10: dffffc0000000000 R11: fffff52000731e9c R12: dffffc0000000000 [ 61.993748][ T5064] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90002651070 [ 62.001706][ T5064] FS: 0000555565493380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 62.010629][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.017287][ T5064] CR2: 0000557a16608c70 CR3: 00000000683b8000 CR4: 00000000003506f0 [ 62.025251][ T5064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.033480][ T5064] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.042525][ T5064] Kernel panic - not syncing: Fatal exception [ 62.049133][ T5064] Kernel Offset: disabled [ 62.053545][ T5064] Rebooting in 86400 seconds..