./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2943875610
<...>
Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts.
execve("./syz-executor2943875610", ["./syz-executor2943875610"], 0x7fff8bf14510 /* 10 vars */) = 0
brk(NULL) = 0x55556f557000
brk(0x55556f557d00) = 0x55556f557d00
arch_prctl(ARCH_SET_FS, 0x55556f557380) = 0
set_tid_address(0x55556f557650) = 5087
set_robust_list(0x55556f557660, 24) = 0
rseq(0x55556f557ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2943875610", 4096) = 28
getrandom("\x43\xc5\xb1\xfb\xe1\x72\x9b\x6c", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556f557d00
brk(0x55556f578d00) = 0x55556f578d00
brk(0x55556f579000) = 0x55556f579000
mprotect(0x7f8e77601000, 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
bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=5, insns=0x20000000, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_SOCK_CREATE, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL, ...}, 144) = -1 EFAULT (Bad address)
socket(AF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO) = 3
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)
ioctl(3, SIOCSIFFLAGS, {ifr_name="bpq0", ifr_flags=IFF_UP|IFF_DEBUG|IFF_NOARP}) = 0
socket(AF_AX25, SOCK_SEQPACKET, 0 /* AX25_P_??? */) = 4
setsockopt(4, SOL_AX25, SO_BINDTODEVICE, "\x62\x70\x71\x30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 16) = 0
exit_group(0) = ?
[ 54.466844][ T5087] ------------[ cut here ]------------
[ 54.472425][ T5087] refcount_t: decrement hit 0; leaking memory.
[ 54.478943][ T5087] WARNING: CPU: 1 PID: 5087 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0
[ 54.488304][ T5087] Modules linked in:
[ 54.492190][ T5087] CPU: 1 PID: 5087 Comm: syz-executor294 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
[ 54.502188][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 54.512319][ T5087] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 54.518474][ T5087] Code: b2 00 00 00 e8 47 b8 e5 fc 5b 5d c3 cc cc cc cc e8 3b b8 e5 fc c6 05 d1 cb e5 0a 01 90 48 c7 c7 60 3a 1f 8c e8 d7 f5 a7 fc 90 <0f> 0b 90 90 eb d9 e8 1b b8 e5 fc c6 05 ae cb e5 0a 01 90 48 c7 c7
[ 54.538158][ T5087] RSP: 0018:ffffc90002f9f9c8 EFLAGS: 00010246
[ 54.544313][ T5087] RAX: 71ff5e458a17b200 RBX: ffff8880555aa664 RCX: ffff8880296bbc00
[ 54.552306][ T5087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 54.560705][ T5087] RBP: 0000000000000004 R08: ffffffff81589dd2 R09: fffffbfff1c39918
[ 54.568748][ T5087] R10: dffffc0000000000 R11: fffffbfff1c39918 R12: ffff8880555aa620
[ 54.576901][ T5087] R13: 0000000000000000 R14: ffff8880555aa664 R15: dffffc0000000000
[ 54.584964][ T5087] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 54.594044][ T5087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.600666][ T5087] CR2: 00007f8e776080f0 CR3: 000000000e132000 CR4: 00000000003506f0
[ 54.608869][ T5087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.616897][ T5087] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.624920][ T5087] Call Trace:
[ 54.628224][ T5087]
[ 54.631150][ T5087] ? __warn+0x163/0x4e0
[ 54.635409][ T5087] ? refcount_warn_saturate+0xfa/0x1d0
[ 54.640905][ T5087] ? report_bug+0x2b3/0x500
[ 54.645463][ T5087] ? refcount_warn_saturate+0xfa/0x1d0
[ 54.650949][ T5087] ? handle_bug+0x3e/0x70
[ 54.655360][ T5087] ? exc_invalid_op+0x1a/0x50
[ 54.660057][ T5087] ? asm_exc_invalid_op+0x1a/0x20
[ 54.665207][ T5087] ? __warn_printk+0x292/0x360
[ 54.669985][ T5087] ? refcount_warn_saturate+0xfa/0x1d0
[ 54.675525][ T5087] ? refcount_warn_saturate+0xf9/0x1d0
[ 54.681015][ T5087] ref_tracker_free+0x6af/0x7e0
[ 54.685916][ T5087] ? __pfx_ref_tracker_free+0x10/0x10
[ 54.691318][ T5087] ax25_release+0x368/0x950
[ 54.695888][ T5087] sock_close+0xbc/0x240
[ 54.700148][ T5087] ? __pfx_sock_close+0x10/0x10
[ 54.705042][ T5087] __fput+0x406/0x8b0
[ 54.709047][ T5087] task_work_run+0x24f/0x310
[ 54.713630][ T5087] ? __pfx_task_work_run+0x10/0x10
[ 54.718811][ T5087] ? switch_task_namespaces+0xe1/0x110
[ 54.724300][ T5087] do_exit+0xa1b/0x27e0
[ 54.728453][ T5087] ? __pfx_do_exit+0x10/0x10
[ 54.733037][ T5087] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 54.739068][ T5087] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 54.745440][ T5087] ? _raw_spin_unlock_irq+0x23/0x50
[ 54.750633][ T5087] ? lockdep_hardirqs_on+0x99/0x150
[ 54.755888][ T5087] do_group_exit+0x207/0x2c0
[ 54.760607][ T5087] __x64_sys_exit_group+0x3f/0x40
[ 54.765691][ T5087] do_syscall_64+0xf5/0x240
[ 54.770220][ T5087] ? clear_bhb_loop+0x35/0x90
[ 54.774970][ T5087] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.780904][ T5087] RIP: 0033:0x7f8e7758ce39
[ 54.785358][ T5087] Code: Unable to access opcode bytes at 0x7f8e7758ce0f.
[ 54.792379][ T5087] RSP: 002b:00007ffc9d96f748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 54.800867][ T5087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e7758ce39
[ 54.808879][ T5087] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 54.816939][ T5087] RBP: 00007f8e77607290 R08: ffffffffffffffb8 R09: 00007ffc9d96f968
[ 54.824965][ T5087] R10: 00000000200002c0 R11: 0000000000000246 R12: 00007f8e77607290
[ 54.832950][ T5087] R13: 0000000000000000 R14: 00007f8e77607ce0 R15: 00007f8e7755ec00
[ 54.841025][ T5087]
[ 54.844088][ T5087] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 54.851350][ T5087] CPU: 1 PID: 5087 Comm: syz-executor294 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
[ 54.861230][ T5087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 54.871291][ T5087] Call Trace:
[ 54.874565][ T5087]
[ 54.877499][ T5087] dump_stack_lvl+0x241/0x360
[ 54.882174][ T5087] ? __pfx_dump_stack_lvl+0x10/0x10
[ 54.887357][ T5087] ? __pfx__printk+0x10/0x10
[ 54.891937][ T5087] ? vscnprintf+0x5d/0x90
[ 54.896261][ T5087] panic+0x349/0x860
[ 54.900151][ T5087] ? __warn+0x172/0x4e0
[ 54.904296][ T5087] ? __pfx_panic+0x10/0x10
[ 54.908879][ T5087] __warn+0x346/0x4e0
[ 54.912857][ T5087] ? refcount_warn_saturate+0xfa/0x1d0
[ 54.918418][ T5087] report_bug+0x2b3/0x500
[ 54.922730][ T5087] ? refcount_warn_saturate+0xfa/0x1d0
[ 54.928178][ T5087] handle_bug+0x3e/0x70
[ 54.932316][ T5087] exc_invalid_op+0x1a/0x50
[ 54.936806][ T5087] asm_exc_invalid_op+0x1a/0x20
[ 54.941642][ T5087] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0
[ 54.947719][ T5087] Code: b2 00 00 00 e8 47 b8 e5 fc 5b 5d c3 cc cc cc cc e8 3b b8 e5 fc c6 05 d1 cb e5 0a 01 90 48 c7 c7 60 3a 1f 8c e8 d7 f5 a7 fc 90 <0f> 0b 90 90 eb d9 e8 1b b8 e5 fc c6 05 ae cb e5 0a 01 90 48 c7 c7
[ 54.967344][ T5087] RSP: 0018:ffffc90002f9f9c8 EFLAGS: 00010246
[ 54.973421][ T5087] RAX: 71ff5e458a17b200 RBX: ffff8880555aa664 RCX: ffff8880296bbc00
[ 54.981388][ T5087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 54.989346][ T5087] RBP: 0000000000000004 R08: ffffffff81589dd2 R09: fffffbfff1c39918
[ 54.997312][ T5087] R10: dffffc0000000000 R11: fffffbfff1c39918 R12: ffff8880555aa620
[ 55.005273][ T5087] R13: 0000000000000000 R14: ffff8880555aa664 R15: dffffc0000000000
[ 55.013239][ T5087] ? __warn_printk+0x292/0x360
[ 55.018012][ T5087] ? refcount_warn_saturate+0xf9/0x1d0
[ 55.023464][ T5087] ref_tracker_free+0x6af/0x7e0
[ 55.028309][ T5087] ? __pfx_ref_tracker_free+0x10/0x10
[ 55.033691][ T5087] ax25_release+0x368/0x950
[ 55.038197][ T5087] sock_close+0xbc/0x240
[ 55.042434][ T5087] ? __pfx_sock_close+0x10/0x10
[ 55.047284][ T5087] __fput+0x406/0x8b0
[ 55.051267][ T5087] task_work_run+0x24f/0x310
[ 55.055858][ T5087] ? __pfx_task_work_run+0x10/0x10
[ 55.060967][ T5087] ? switch_task_namespaces+0xe1/0x110
[ 55.066421][ T5087] do_exit+0xa1b/0x27e0
[ 55.070575][ T5087] ? __pfx_do_exit+0x10/0x10
[ 55.075158][ T5087] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 55.081129][ T5087] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 55.087451][ T5087] ? _raw_spin_unlock_irq+0x23/0x50
[ 55.092672][ T5087] ? lockdep_hardirqs_on+0x99/0x150
[ 55.097889][ T5087] do_group_exit+0x207/0x2c0
[ 55.102501][ T5087] __x64_sys_exit_group+0x3f/0x40
[ 55.107521][ T5087] do_syscall_64+0xf5/0x240
[ 55.112018][ T5087] ? clear_bhb_loop+0x35/0x90
[ 55.116714][ T5087] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 55.122613][ T5087] RIP: 0033:0x7f8e7758ce39
[ 55.127018][ T5087] Code: Unable to access opcode bytes at 0x7f8e7758ce0f.
[ 55.134023][ T5087] RSP: 002b:00007ffc9d96f748 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 55.142425][ T5087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e7758ce39
[ 55.150389][ T5087] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 55.158376][ T5087] RBP: 00007f8e77607290 R08: ffffffffffffffb8 R09: 00007ffc9d96f968
[ 55.166352][ T5087] R10: 00000000200002c0 R11: 0000000000000246 R12: 00007f8e77607290
[ 55.174425][ T5087] R13: 0000000000000000 R14: 00007f8e77607ce0 R15: 00007f8e7755ec00
[ 55.182403][ T5087]
[ 55.185739][ T5087] Kernel Offset: disabled
[ 55.190097][ T5087] Rebooting in 86400 seconds..