./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2346729758
<...>
Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts.
execve("./syz-executor2346729758", ["./syz-executor2346729758"], 0x7fffe3c82130 /* 10 vars */) = 0
brk(NULL) = 0x555588a7a000
brk(0x555588a7ad00) = 0x555588a7ad00
arch_prctl(ARCH_SET_FS, 0x555588a7a380) = 0
set_tid_address(0x555588a7a650) = 5230
set_robust_list(0x555588a7a660, 24) = 0
rseq(0x555588a7aca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2346729758", 4096) = 28
getrandom("\xbf\x02\xd9\xc2\x6f\xdb\x5c\x19", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555588a7ad00
brk(0x555588a9bd00) = 0x555588a9bd00
brk(0x555588a9c000) = 0x555588a9c000
mprotect(0x7f935a7ca000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5231 attached
, child_tidptr=0x555588a7a650) = 5231
[pid 5231] set_robust_list(0x555588a7a660, 24) = 0
[pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5231] setpgid(0, 0) = 0
[pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5231] write(3, "1000", 4) = 4
[pid 5231] close(3) = 0
executing program
[pid 5231] write(1, "executing program\n", 18) = 18
[pid 5231] socketpair(AF_UNIX, SOCK_STREAM, 0, [3, 4]) = 0
[pid 5231] ioctl(4, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0
[pid 5231] socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 5
[pid 5231] setsockopt(-1, SOL_AX25, SO_BINDTODEVICE, "\x62\x70\x71\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16) = -1 EBADF (Bad file descriptor)
[pid 5231] ioctl(5, SIOCSIFFLAGS, {ifr_name="bpq0", ifr_flags=IFF_UP}) = 0
[pid 5231] socket(AF_AX25, SOCK_DGRAM, 0x9 /* AX25_P_??? */) = 6
[pid 5231] setsockopt(6, SOL_AX25, SO_BINDTODEVICE, "\x62\x70\x71\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16) = 0
[pid 5231] exit_group(0) = ?
[ 52.233470][ T5231] ------------[ cut here ]------------
[ 52.239009][ T5231] refcount_t: decrement hit 0; leaking memory.
[ 52.246462][ T5231] WARNING: CPU: 0 PID: 5231 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0
[ 52.255843][ T5231] Modules linked in:
[ 52.259756][ T5231] CPU: 0 UID: 0 PID: 5231 Comm: syz-executor234 Not tainted 6.12.0-rc3-syzkaller-00164-g34d35b4edbbe #0
[ 52.271117][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 52.281254][ T5231] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 52.287362][ T5231] Code: b2 00 00 00 e8 f7 12 d8 fc 5b 5d c3 cc cc cc cc e8 eb 12 d8 fc c6 05 8e f0 49 0b 01 90 48 c7 c7 e0 bc 60 8c e8 47 0c 99 fc 90 <0f> 0b 90 90 eb d9 e8 cb 12 d8 fc c6 05 6b f0 49 0b 01 90 48 c7 c7
[ 52.307117][ T5231] RSP: 0018:ffffc9000353f9c8 EFLAGS: 00010246
[ 52.313252][ T5231] RAX: 1742b9254644b300 RBX: ffff8880315dc664 RCX: ffff888040118000
[ 52.321241][ T5231] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 52.329307][ T5231] RBP: 0000000000000004 R08: ffffffff8155e402 R09: fffffbfff1cf9fd8
[ 52.338209][ T5231] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: ffff8880315dc620
[ 52.346255][ T5231] R13: 0000000000000000 R14: ffff8880315dc664 R15: dffffc0000000000
[ 52.354265][ T5231] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 52.363272][ T5231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.369861][ T5231] CR2: 00007f935a7d1110 CR3: 000000002d708000 CR4: 00000000003526f0
[ 52.377872][ T5231] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.385892][ T5231] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.393898][ T5231] Call Trace:
[ 52.397182][ T5231]
[ 52.400100][ T5231] ? __warn+0x168/0x4e0
[ 52.404310][ T5231] ? refcount_warn_saturate+0xfa/0x1d0
[ 52.409791][ T5231] ? report_bug+0x2b3/0x500
[ 52.414356][ T5231] ? refcount_warn_saturate+0xfa/0x1d0
[ 52.419831][ T5231] ? handle_bug+0x60/0x90
[ 52.424222][ T5231] ? exc_invalid_op+0x1a/0x50
[ 52.428919][ T5231] ? asm_exc_invalid_op+0x1a/0x20
[ 52.433979][ T5231] ? __warn_printk+0x292/0x360
[ 52.438753][ T5231] ? refcount_warn_saturate+0xfa/0x1d0
[ 52.444287][ T5231] ? refcount_warn_saturate+0xf9/0x1d0
[ 52.449857][ T5231] ref_tracker_free+0x6af/0x7e0
[ 52.454762][ T5231] ? __pfx_ref_tracker_free+0x10/0x10
[ 52.460175][ T5231] ax25_release+0x368/0x950
[ 52.464771][ T5231] sock_close+0xbc/0x240
[ 52.469031][ T5231] ? __pfx_sock_close+0x10/0x10
[ 52.473939][ T5231] __fput+0x23f/0x880
[ 52.477944][ T5231] task_work_run+0x24f/0x310
[ 52.482600][ T5231] ? __pfx_task_work_run+0x10/0x10
[ 52.487724][ T5231] ? switch_task_namespaces+0xe4/0x110
[ 52.493220][ T5231] do_exit+0xa2f/0x28e0
[ 52.497392][ T5231] ? __pfx_do_exit+0x10/0x10
[ 52.501968][ T5231] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 52.508013][ T5231] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 52.514421][ T5231] ? _raw_spin_unlock_irq+0x23/0x50
[ 52.519632][ T5231] ? lockdep_hardirqs_on+0x99/0x150
[ 52.524926][ T5231] do_group_exit+0x207/0x2c0
[ 52.529531][ T5231] __x64_sys_exit_group+0x3f/0x40
[ 52.534622][ T5231] x64_sys_call+0x2634/0x2640
[ 52.539320][ T5231] do_syscall_64+0xf3/0x230
[ 52.543896][ T5231] ? clear_bhb_loop+0x35/0x90
[ 52.548586][ T5231] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 52.554522][ T5231] RIP: 0033:0x7f935a755c49
[ 52.558954][ T5231] Code: Unable to access opcode bytes at 0x7f935a755c1f.
[ 52.566026][ T5231] RSP: 002b:00007fff83fa40b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 52.574513][ T5231] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f935a755c49
[ 52.582564][ T5231] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 52.590554][ T5231] RBP: 00007f935a7d02b0 R08: ffffffffffffffb8 R09: 0000000000000006
[ 52.598580][ T5231] R10: 00000000200003c0 R11: 0000000000000246 R12: 00007f935a7d02b0
[ 52.606647][ T5231] R13: 0000000000000000 R14: 00007f935a7d0d00 R15: 00007f935a726e90
[ 52.614833][ T5231]
[ 52.617843][ T5231] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 52.625118][ T5231] CPU: 0 UID: 0 PID: 5231 Comm: syz-executor234 Not tainted 6.12.0-rc3-syzkaller-00164-g34d35b4edbbe #0
[ 52.636209][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 52.646257][ T5231] Call Trace:
[ 52.649527][ T5231]
[ 52.652449][ T5231] dump_stack_lvl+0x241/0x360
[ 52.657115][ T5231] ? __pfx_dump_stack_lvl+0x10/0x10
[ 52.662306][ T5231] ? __pfx__printk+0x10/0x10
[ 52.666900][ T5231] ? vscnprintf+0x5d/0x90
[ 52.671221][ T5231] panic+0x349/0x880
[ 52.675107][ T5231] ? __warn+0x177/0x4e0
[ 52.679248][ T5231] ? __pfx_panic+0x10/0x10
[ 52.683661][ T5231] __warn+0x34b/0x4e0
[ 52.687638][ T5231] ? refcount_warn_saturate+0xfa/0x1d0
[ 52.693197][ T5231] report_bug+0x2b3/0x500
[ 52.697541][ T5231] ? refcount_warn_saturate+0xfa/0x1d0
[ 52.702990][ T5231] handle_bug+0x60/0x90
[ 52.707149][ T5231] exc_invalid_op+0x1a/0x50
[ 52.711648][ T5231] asm_exc_invalid_op+0x1a/0x20
[ 52.716504][ T5231] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 52.722584][ T5231] Code: b2 00 00 00 e8 f7 12 d8 fc 5b 5d c3 cc cc cc cc e8 eb 12 d8 fc c6 05 8e f0 49 0b 01 90 48 c7 c7 e0 bc 60 8c e8 47 0c 99 fc 90 <0f> 0b 90 90 eb d9 e8 cb 12 d8 fc c6 05 6b f0 49 0b 01 90 48 c7 c7
[ 52.742196][ T5231] RSP: 0018:ffffc9000353f9c8 EFLAGS: 00010246
[ 52.748264][ T5231] RAX: 1742b9254644b300 RBX: ffff8880315dc664 RCX: ffff888040118000
[ 52.756231][ T5231] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 52.764201][ T5231] RBP: 0000000000000004 R08: ffffffff8155e402 R09: fffffbfff1cf9fd8
[ 52.772174][ T5231] R10: dffffc0000000000 R11: fffffbfff1cf9fd8 R12: ffff8880315dc620
[ 52.780145][ T5231] R13: 0000000000000000 R14: ffff8880315dc664 R15: dffffc0000000000
[ 52.788119][ T5231] ? __warn_printk+0x292/0x360
[ 52.792886][ T5231] ? refcount_warn_saturate+0xf9/0x1d0
[ 52.798343][ T5231] ref_tracker_free+0x6af/0x7e0
[ 52.803188][ T5231] ? __pfx_ref_tracker_free+0x10/0x10
[ 52.808564][ T5231] ax25_release+0x368/0x950
[ 52.813073][ T5231] sock_close+0xbc/0x240
[ 52.817316][ T5231] ? __pfx_sock_close+0x10/0x10
[ 52.822161][ T5231] __fput+0x23f/0x880
[ 52.826148][ T5231] task_work_run+0x24f/0x310
[ 52.830736][ T5231] ? __pfx_task_work_run+0x10/0x10
[ 52.835843][ T5231] ? switch_task_namespaces+0xe4/0x110
[ 52.841298][ T5231] do_exit+0xa2f/0x28e0
[ 52.845454][ T5231] ? __pfx_do_exit+0x10/0x10
[ 52.850046][ T5231] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 52.856026][ T5231] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 52.862358][ T5231] ? _raw_spin_unlock_irq+0x23/0x50
[ 52.867559][ T5231] ? lockdep_hardirqs_on+0x99/0x150
[ 52.872763][ T5231] do_group_exit+0x207/0x2c0
[ 52.877357][ T5231] __x64_sys_exit_group+0x3f/0x40
[ 52.882381][ T5231] x64_sys_call+0x2634/0x2640
[ 52.887061][ T5231] do_syscall_64+0xf3/0x230
[ 52.891561][ T5231] ? clear_bhb_loop+0x35/0x90
[ 52.896239][ T5231] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 52.902145][ T5231] RIP: 0033:0x7f935a755c49
[ 52.906553][ T5231] Code: Unable to access opcode bytes at 0x7f935a755c1f.
[ 52.913559][ T5231] RSP: 002b:00007fff83fa40b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 52.921967][ T5231] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f935a755c49
[ 52.929930][ T5231] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 52.937892][ T5231] RBP: 00007f935a7d02b0 R08: ffffffffffffffb8 R09: 0000000000000006
[ 52.945855][ T5231] R10: 00000000200003c0 R11: 0000000000000246 R12: 00007f935a7d02b0
[ 52.953816][ T5231] R13: 0000000000000000 R14: 00007f935a7d0d00 R15: 00007f935a726e90
[ 52.961791][ T5231]
[ 52.965044][ T5231] Kernel Offset: disabled
[ 52.969391][ T5231] Rebooting in 86400 seconds..