./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2955880426 <...> Warning: Permanently added '10.128.1.90' (ED25519) to the list of known hosts. execve("./syz-executor2955880426", ["./syz-executor2955880426"], 0x7ffe4b511d40 /* 10 vars */) = 0 brk(NULL) = 0x555562d2d000 brk(0x555562d2dd00) = 0x555562d2dd00 arch_prctl(ARCH_SET_FS, 0x555562d2d380) = 0 set_tid_address(0x555562d2d650) = 5083 set_robust_list(0x555562d2d660, 24) = 0 rseq(0x555562d2dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2955880426", 4096) = 28 getrandom("\xf5\x6a\xf4\x54\x40\x10\xaf\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555562d2dd00 brk(0x555562d4ed00) = 0x555562d4ed00 brk(0x555562d4f000) = 0x555562d4f000 mprotect(0x7fc1785a2000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555562d2d650) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x555562d2d660, 24) = 0 [pid 5084] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setsid() = 1 [pid 5084] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5084] unshare(CLONE_NEWNS) = 0 [pid 5084] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5084] unshare(CLONE_NEWIPC) = 0 [pid 5084] unshare(CLONE_NEWCGROUP) = 0 [pid 5084] unshare(CLONE_NEWUTS) = 0 [pid 5084] unshare(CLONE_SYSVSEM) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "16777216", 8) = 8 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "536870912", 9) = 9 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "8192", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5084] close(3) = 0 [pid 5084] getpid() = 1 [pid 5084] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 3f ff ff ff e8 80 9d 74 fb 48 8b 44 24 08 48 b9 00 00 [ 72.674304][ T4619] RSP: 0018:ffffc90003007b48 EFLAGS: 00010293 [ 72.680460][ T4619] RAX: ffffffff8620cd42 RBX: 0000000000000002 RCX: ffff888020b63c00 [ 72.688558][ T4619] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [pid 5084] close(17) = -1 EBADF (Bad file descriptor) [pid 5084] close(18) = -1 EBADF (Bad file descriptor) [pid 5084] close(19) = -1 EBADF (Bad file descriptor) [pid 5084] close(20) = -1 EBADF (Bad file descriptor) [pid 5084] close(21) = -1 EBADF (Bad file descriptor) [pid 5084] close(22) = -1 EBADF (Bad file descriptor) [pid 5084] close(23) = -1 EBADF (Bad file descriptor) [pid 5084] close(24) = -1 EBADF (Bad file descriptor) [pid 5084] close(25) = -1 EBADF (Bad file descriptor) [pid 5084] close(26) = -1 EBADF (Bad file descriptor) [pid 5084] close(27) = -1 EBADF (Bad file descriptor) [pid 5084] close(28) = -1 EBADF (Bad file descriptor) [pid 5084] close(29) = -1 EBADF (Bad file descriptor) [pid 5084] exit_group(1) = ? [ 72.696952][ T4619] RBP: 0000000000008000 R08: ffffffff8620cc7c R09: 1ffff110044c71af [ 72.705227][ T4619] R10: dffffc0000000000 R11: ffffed10044c71b0 R12: ffff888064b58000 [ 72.714343][ T4619] R13: ffff888064b59688 R14: ffff888022638d78 R15: ffff888064b58148 [ 72.722609][ T4619] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 72.731949][ T4619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.738547][ T4619] CR2: 00000000200000c8 CR3: 000000000e134000 CR4: 00000000003506f0 [ 72.746656][ T4619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.754754][ T4619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.762804][ T4619] Call Trace: [ 72.766120][ T4619] [ 72.769104][ T4619] ? __warn+0x163/0x4e0 [ 72.773377][ T4619] ? sg_remove_sfp_usercontext+0x3f3/0x530 [ 72.779229][ T4619] ? report_bug+0x2b3/0x500 [ 72.783832][ T4619] ? sg_remove_sfp_usercontext+0x3f3/0x530 [ 72.789691][ T4619] ? handle_bug+0x3e/0x70 [ 72.794153][ T4619] ? exc_invalid_op+0x1a/0x50 [ 72.798871][ T4619] ? asm_exc_invalid_op+0x1a/0x20 [ 72.804105][ T4619] ? sg_remove_sfp_usercontext+0x32c/0x530 [ 72.809957][ T4619] ? sg_remove_sfp_usercontext+0x3f2/0x530 [ 72.815909][ T4619] ? sg_remove_sfp_usercontext+0x3f3/0x530 [ 72.821838][ T4619] ? sg_remove_sfp_usercontext+0x3f2/0x530 [ 72.827703][ T4619] ? process_scheduled_works+0x945/0x1830 [ 72.833526][ T4619] process_scheduled_works+0xa2c/0x1830 [ 72.839210][ T4619] ? __pfx_process_scheduled_works+0x10/0x10 [ 72.845349][ T4619] ? assign_work+0x364/0x3d0 [ 72.850011][ T4619] worker_thread+0x86d/0xd70 [ 72.854728][ T4619] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 72.860671][ T4619] ? __kthread_parkme+0x169/0x1d0 [ 72.865930][ T4619] ? __pfx_worker_thread+0x10/0x10 [ 72.871193][ T4619] kthread+0x2f0/0x390 [ 72.875309][ T4619] ? __pfx_worker_thread+0x10/0x10 [ 72.880441][ T4619] ? __pfx_kthread+0x10/0x10 [ 72.885164][ T4619] ret_from_fork+0x4b/0x80 [ 72.889638][ T4619] ? __pfx_kthread+0x10/0x10 [ 72.894449][ T4619] ret_from_fork_asm+0x1a/0x30 [ 72.899285][ T4619] [ 72.902390][ T4619] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.909696][ T4619] CPU: 0 PID: 4619 Comm: kworker/0:3 Not tainted 6.9.0-rc1-next-20240328-syzkaller #0 [ 72.919238][ T4619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 72.929395][ T4619] Workqueue: events sg_remove_sfp_usercontext [ 72.935511][ T4619] Call Trace: [ 72.938807][ T4619] [ 72.941752][ T4619] dump_stack_lvl+0x241/0x360 [ 72.946434][ T4619] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.951649][ T4619] ? __pfx__printk+0x10/0x10 [ 72.956254][ T4619] ? vscnprintf+0x5d/0x90 [ 72.960590][ T4619] panic+0x349/0x860 [ 72.964500][ T4619] ? __warn+0x172/0x4e0 [ 72.968675][ T4619] ? __pfx_panic+0x10/0x10 [ 72.973123][ T4619] ? ret_from_fork_asm+0x1a/0x30 [ 72.978079][ T4619] __warn+0x346/0x4e0 [ 72.982065][ T4619] ? sg_remove_sfp_usercontext+0x3f3/0x530 [ 72.987877][ T4619] report_bug+0x2b3/0x500 [ 72.992223][ T4619] ? sg_remove_sfp_usercontext+0x3f3/0x530 [ 72.998035][ T4619] handle_bug+0x3e/0x70 [ 73.002200][ T4619] exc_invalid_op+0x1a/0x50 [ 73.006715][ T4619] asm_exc_invalid_op+0x1a/0x20 [ 73.011583][ T4619] RIP: 0010:sg_remove_sfp_usercontext+0x3f3/0x530 [ 73.018017][ T4619] Code: 8b 36 49 8d 96 4d 01 00 00 48 c7 c7 a0 fe 4b 8c 48 c7 c1 c0 07 4c 8c 4d 89 e0 e8 d8 a3 eb ff e9 f7 fe ff ff e8 8e 9d 74 fb 90 <0f> 0b 90 e9 3f ff ff ff e8 80 9d 74 fb 48 8b 44 24 08 48 b9 00 00 [ 73.037695][ T4619] RSP: 0018:ffffc90003007b48 EFLAGS: 00010293 [ 73.043892][ T4619] RAX: ffffffff8620cd42 RBX: 0000000000000002 RCX: ffff888020b63c00 [ 73.051880][ T4619] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 [ 73.059857][ T4619] RBP: 0000000000008000 R08: ffffffff8620cc7c R09: 1ffff110044c71af [ 73.067854][ T4619] R10: dffffc0000000000 R11: ffffed10044c71b0 R12: ffff888064b58000 [ 73.075824][ T4619] R13: ffff888064b59688 R14: ffff888022638d78 R15: ffff888064b58148 [ 73.083891][ T4619] ? sg_remove_sfp_usercontext+0x32c/0x530 [ 73.089786][ T4619] ? sg_remove_sfp_usercontext+0x3f2/0x530 [ 73.095605][ T4619] ? sg_remove_sfp_usercontext+0x3f2/0x530 [ 73.101418][ T4619] ? process_scheduled_works+0x945/0x1830 [ 73.107139][ T4619] process_scheduled_works+0xa2c/0x1830 [ 73.112715][ T4619] ? __pfx_process_scheduled_works+0x10/0x10 [ 73.118807][ T4619] ? assign_work+0x364/0x3d0 [ 73.123406][ T4619] worker_thread+0x86d/0xd70 [ 73.128005][ T4619] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.133902][ T4619] ? __kthread_parkme+0x169/0x1d0 [ 73.138929][ T4619] ? __pfx_worker_thread+0x10/0x10 [ 73.144040][ T4619] kthread+0x2f0/0x390 [ 73.148114][ T4619] ? __pfx_worker_thread+0x10/0x10 [ 73.153226][ T4619] ? __pfx_kthread+0x10/0x10 [ 73.157820][ T4619] ret_from_fork+0x4b/0x80 [ 73.162244][ T4619] ? __pfx_kthread+0x10/0x10 [ 73.166839][ T4619] ret_from_fork_asm+0x1a/0x30 [ 73.171738][ T4619] [ 73.175013][ T4619] Kernel Offset: disabled [ 73.179423][ T4619] Rebooting in 86400 seconds..