./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3537078661 <...> Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. execve("./syz-executor3537078661", ["./syz-executor3537078661"], 0x7ffdee79bfa0 /* 10 vars */) = 0 brk(NULL) = 0x5555771d5000 brk(0x5555771d5d00) = 0x5555771d5d00 arch_prctl(ARCH_SET_FS, 0x5555771d5380) = 0 set_tid_address(0x5555771d5650) = 5838 set_robust_list(0x5555771d5660, 24) = 0 rseq(0x5555771d5ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3537078661", 4096) = 28 getrandom("\x26\x63\x6a\x1e\x02\x64\x71\x44", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555771d5d00 brk(0x5555771f6d00) = 0x5555771f6d00 brk(0x5555771f7000) = 0x5555771f7000 mprotect(0x7fd1c6f25000, 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) = ? [ 88.635388][ T5838] Oops: general protection fault, probably for non-canonical address 0xdffffc000000002b: 0000 [#1] PREEMPT SMP KASAN PTI [ 88.647980][ T5838] KASAN: null-ptr-deref in range [0x0000000000000158-0x000000000000015f] [ 88.656380][ T5838] CPU: 1 UID: 0 PID: 5838 Comm: syz-executor353 Not tainted 6.14.0-rc1-next-20250204-syzkaller #0 [ 88.666947][ T5838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 88.676988][ T5838] RIP: 0010:qca_close+0x72/0x2e0 [ 88.681972][ T5838] 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 [ 88.701576][ T5838] RSP: 0018:ffffc90003fcf9f0 EFLAGS: 00010206 [ 88.707632][ T5838] RAX: 000000000000002b RBX: ffff888030889800 RCX: ffff888027b60000 [ 88.715589][ T5838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a [ 88.723544][ T5838] RBP: 1ffff11006111337 R08: ffffffff8187d8b3 R09: 1ffffffff2860723 [ 88.731508][ T5838] R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000 [ 88.739468][ T5838] R13: dffffc0000000000 R14: ffff8880308899b8 R15: 0000000000000000 [ 88.747450][ T5838] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 88.756379][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.762950][ T5838] CR2: 000055c2c39cd000 CR3: 000000000e738000 CR4: 00000000003526f0 [ 88.770917][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.778876][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.786837][ T5838] Call Trace: [ 88.790112][ T5838] [ 88.793044][ T5838] ? __die_body+0x5f/0xb0 [ 88.797378][ T5838] ? die_addr+0xb0/0xe0 [ 88.801536][ T5838] ? exc_general_protection+0x3dd/0x5d0 [ 88.807089][ T5838] ? asm_exc_general_protection+0x26/0x30 [ 88.812807][ T5838] ? __pfx_qca_close+0x10/0x10 [ 88.817565][ T5838] ? enable_work+0x2e3/0x360 [ 88.822151][ T5838] ? qca_close+0x72/0x2e0 [ 88.826478][ T5838] hci_uart_tty_close+0x205/0x290 [ 88.831502][ T5838] tty_ldisc_kill+0xa3/0x1a0 [ 88.836099][ T5838] tty_ldisc_release+0x1a1/0x200 [ 88.841040][ T5838] tty_release_struct+0x2b/0xe0 [ 88.845890][ T5838] tty_release+0xd06/0x12c0 [ 88.850400][ T5838] ? __pfx_tty_release+0x10/0x10 [ 88.855339][ T5838] __fput+0x3e9/0x9f0 [ 88.859325][ T5838] task_work_run+0x24f/0x310 [ 88.863930][ T5838] ? __pfx_task_work_run+0x10/0x10 [ 88.869047][ T5838] ? switch_task_namespaces+0xe4/0x110 [ 88.874507][ T5838] do_exit+0xa2a/0x28e0 [ 88.878663][ T5838] ? __pfx_do_exit+0x10/0x10 [ 88.883247][ T5838] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 88.889223][ T5838] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 88.895549][ T5838] ? _raw_spin_unlock_irq+0x23/0x50 [ 88.900746][ T5838] ? lockdep_hardirqs_on+0x99/0x150 [ 88.905942][ T5838] do_group_exit+0x207/0x2c0 [ 88.910535][ T5838] __x64_sys_exit_group+0x3f/0x40 [ 88.915572][ T5838] x64_sys_call+0x26a8/0x26b0 [ 88.920249][ T5838] do_syscall_64+0xf3/0x230 [ 88.924747][ T5838] ? clear_bhb_loop+0x35/0x90 [ 88.929421][ T5838] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.935311][ T5838] RIP: 0033:0x7fd1c6eb0c79 [ 88.939727][ T5838] Code: Unable to access opcode bytes at 0x7fd1c6eb0c4f. [ 88.946736][ T5838] RSP: 002b:00007ffc6ce98208 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 88.955143][ T5838] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1c6eb0c79 [ 88.963105][ T5838] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 88.971064][ T5838] RBP: 00007fd1c6f2b270 R08: ffffffffffffffb8 R09: 00007ffc6ce98428 [ 88.979025][ T5838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd1c6f2b270 [ 88.986992][ T5838] R13: 0000000000000000 R14: 00007fd1c6f2bcc0 R15: 00007fd1c6e82a60 [ 88.994964][ T5838] [ 88.997974][ T5838] Modules linked in: [ 89.001963][ T5838] ---[ end trace 0000000000000000 ]--- [ 89.007508][ T5838] RIP: 0010:qca_close+0x72/0x2e0 [ 89.012464][ T5838] 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 [ 89.032130][ T5838] RSP: 0018:ffffc90003fcf9f0 EFLAGS: 00010206 [ 89.038517][ T5838] RAX: 000000000000002b RBX: ffff888030889800 RCX: ffff888027b60000 [ 89.046539][ T5838] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000015a [ 89.054557][ T5838] RBP: 1ffff11006111337 R08: ffffffff8187d8b3 R09: 1ffffffff2860723 [ 89.062543][ T5838] R10: dffffc0000000000 R11: ffffffff88c8a130 R12: 0000000000000000 [ 89.070538][ T5838] R13: dffffc0000000000 R14: ffff8880308899b8 R15: 0000000000000000 [ 89.078556][ T5838] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 89.087512][ T5838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.094113][ T5838] CR2: 000055c2c39cd000 CR3: 000000000e738000 CR4: 00000000003526f0 [ 89.102096][ T5838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.110115][ T5838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.118124][ T5838] Kernel panic - not syncing: Fatal exception [ 89.124545][ T5838] Kernel Offset: disabled [ 89.128886][ T5838] Rebooting in 86400 seconds..