./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2501027540 <...> Warning: Permanently added '10.128.10.48' (ED25519) to the list of known hosts. execve("./syz-executor2501027540", ["./syz-executor2501027540"], 0x7ffe8d287400 /* 10 vars */) = 0 brk(NULL) = 0x555582cc6000 brk(0x555582cc6d00) = 0x555582cc6d00 arch_prctl(ARCH_SET_FS, 0x555582cc6380) = 0 set_tid_address(0x555582cc6650) = 5836 set_robust_list(0x555582cc6660, 24) = 0 rseq(0x555582cc6ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2501027540", 4096) = 28 getrandom("\xab\x0c\x98\x22\x18\x20\xc0\x47", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555582cc6d00 brk(0x555582ce7d00) = 0x555582ce7d00 brk(0x555582ce8000) = 0x555582ce8000 mprotect(0x7f782e2e8000, 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 write(1, "executing program\n", 18executing program ) = 18 openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 ioctl(3, TIOCSETD, [15]) = 0 ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0x20000000008) = -1 EOPNOTSUPP (Operation not supported) exit_group(0) = ? [ 89.603044][ T5836] Oops: general protection fault, probably for non-canonical address 0xdffffc000000002b: 0000 [#1] PREEMPT SMP KASAN PTI [ 89.615629][ T5836] KASAN: null-ptr-deref in range [0x0000000000000158-0x000000000000015f] [ 89.624055][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor250 Not tainted 6.14.0-rc1-next-20250204-syzkaller #0 [ 89.634632][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 89.644678][ T5836] RIP: 0010:qca_close+0x72/0x2e0 [ 89.649619][ T5836] Code: 64 af f6 f8 48 89 2c 24 42 80 7c 2d 00 00 74 08 4c 89 f7 e8 20 28 5d f9 4d 8b 26 49 8d bc 24 5a 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 4c 89 eb 0f 85 de 01 00 00 45 0f b6 ac 24 5a [ 89.669205][ T5836] RSP: 0018:ffffc900038679f0 EFLAGS: 00010206 [ 89.675257][ T5836] RAX: 000000000000002b RBX: ffff888024f01400 RCX: ffff888034cb3c00 [ 89.683224][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a [ 89.691175][ T5836] RBP: 1ffff110049e02b7 R08: ffffffff8187d8b3 R09: 1ffffffff2860723 [ 89.699128][ T5836] R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000 [ 89.707081][ T5836] R13: dffffc0000000000 R14: ffff888024f015b8 R15: 0000000000000000 [ 89.715034][ T5836] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 89.723942][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.730507][ T5836] CR2: 000000000066c7e0 CR3: 000000000e738000 CR4: 00000000003526f0 [ 89.738462][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.746412][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.754373][ T5836] Call Trace: [ 89.757637][ T5836] [ 89.760552][ T5836] ? __die_body+0x5f/0xb0 [ 89.764884][ T5836] ? die_addr+0xb0/0xe0 [ 89.769027][ T5836] ? exc_general_protection+0x3dd/0x5d0 [ 89.774566][ T5836] ? asm_exc_general_protection+0x26/0x30 [ 89.780276][ T5836] ? __pfx_qca_close+0x10/0x10 [ 89.785025][ T5836] ? enable_work+0x2e3/0x360 [ 89.789603][ T5836] ? qca_close+0x72/0x2e0 [ 89.793919][ T5836] hci_uart_tty_close+0x205/0x290 [ 89.798931][ T5836] tty_ldisc_kill+0xa3/0x1a0 [ 89.803512][ T5836] tty_ldisc_release+0x1a1/0x200 [ 89.808436][ T5836] tty_release_struct+0x2b/0xe0 [ 89.813271][ T5836] tty_release+0xd06/0x12c0 [ 89.817760][ T5836] ? __pfx_tty_release+0x10/0x10 [ 89.822697][ T5836] __fput+0x3e9/0x9f0 [ 89.826679][ T5836] task_work_run+0x24f/0x310 [ 89.831275][ T5836] ? __pfx_task_work_run+0x10/0x10 [ 89.836383][ T5836] ? switch_task_namespaces+0xe4/0x110 [ 89.841824][ T5836] do_exit+0xa2a/0x28e0 [ 89.845972][ T5836] ? __pfx_do_exit+0x10/0x10 [ 89.850546][ T5836] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 89.856526][ T5836] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 89.862840][ T5836] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.868021][ T5836] ? lockdep_hardirqs_on+0x99/0x150 [ 89.873208][ T5836] do_group_exit+0x207/0x2c0 [ 89.877789][ T5836] __x64_sys_exit_group+0x3f/0x40 [ 89.882805][ T5836] x64_sys_call+0x26a8/0x26b0 [ 89.887467][ T5836] do_syscall_64+0xf3/0x230 [ 89.891952][ T5836] ? clear_bhb_loop+0x35/0x90 [ 89.896621][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 89.902515][ T5836] RIP: 0033:0x7f782e273c79 [ 89.906930][ T5836] Code: Unable to access opcode bytes at 0x7f782e273c4f. [ 89.913925][ T5836] RSP: 002b:00007ffc60fd12e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.922320][ T5836] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f782e273c79 [ 89.930275][ T5836] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 89.938228][ T5836] RBP: 00007f782e2ee270 R08: ffffffffffffffb8 R09: 00007ffc60fd1508 [ 89.946195][ T5836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f782e2ee270 [ 89.954159][ T5836] R13: 0000000000000000 R14: 00007f782e2eecc0 R15: 00007f782e245a60 [ 89.962139][ T5836] [ 89.965140][ T5836] Modules linked in: [ 89.969182][ T5836] ---[ end trace 0000000000000000 ]--- [ 89.974719][ T5836] RIP: 0010:qca_close+0x72/0x2e0 [ 89.979680][ T5836] Code: 64 af f6 f8 48 89 2c 24 42 80 7c 2d 00 00 74 08 4c 89 f7 e8 20 28 5d f9 4d 8b 26 49 8d bc 24 5a 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 4c 89 eb 0f 85 de 01 00 00 45 0f b6 ac 24 5a [ 89.999345][ T5836] RSP: 0018:ffffc900038679f0 EFLAGS: 00010206 [ 90.005750][ T5836] RAX: 000000000000002b RBX: ffff888024f01400 RCX: ffff888034cb3c00 [ 90.013742][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a [ 90.021713][ T5836] RBP: 1ffff110049e02b7 R08: ffffffff8187d8b3 R09: 1ffffffff2860723 [ 90.029735][ T5836] R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000 [ 90.037725][ T5836] R13: dffffc0000000000 R14: ffff888024f015b8 R15: 0000000000000000 [ 90.045730][ T5836] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 90.054676][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.061242][ T5836] CR2: 000000000066c7e0 CR3: 000000000e738000 CR4: 00000000003526f0 [ 90.069223][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.077213][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.085237][ T5836] Kernel panic - not syncing: Fatal exception [ 90.091655][ T5836] Kernel Offset: disabled [ 90.096000][ T5836] Rebooting in 86400 seconds..