./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor672172533 <...> Warning: Permanently added '10.128.0.34' (ED25519) to the list of known hosts. execve("./syz-executor672172533", ["./syz-executor672172533"], 0x7ffead398a70 /* 10 vars */) = 0 brk(NULL) = 0x5555746d0000 brk(0x5555746d0d00) = 0x5555746d0d00 arch_prctl(ARCH_SET_FS, 0x5555746d0380) = 0 set_tid_address(0x5555746d0650) = 5847 set_robust_list(0x5555746d0660, 24) = 0 rseq(0x5555746d0ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor672172533", 4096) = 27 getrandom("\x03\x7e\x46\xaf\x40\xbd\x75\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555746d0d00 brk(0x5555746f1d00) = 0x5555746f1d00 brk(0x5555746f2000) = 0x5555746f2000 mprotect(0x7f802b5d6000, 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 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 61.773120][ T5847] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 61.924208][ T5847] cgroup: Unknown subsys name 'cpuset' [ 61.956654][ T5847] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 chmod("/dev/raw-gadget", 0666) = 0 mkdir("./syzkaller.okgwze", 0700) = 0 chmod("./syzkaller.okgwze", 0777) = 0 chdir("./syzkaller.okgwze") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached , child_tidptr=0x5555746d0650) = 5848 [pid 5848] set_robust_list(0x5555746d0660, 24) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] getppid() = 0 [pid 5848] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5848] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5848] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5848] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5848] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5848] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5848] unshare(CLONE_NEWNS) = 0 [pid 5848] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5848] unshare(CLONE_NEWIPC) = 0 [pid 5848] unshare(CLONE_NEWCGROUP) = 0 [pid 5848] unshare(CLONE_NEWUTS) = 0 [pid 5848] unshare(CLONE_SYSVSEM) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "16777216", 8) = 8 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "536870912", 9) = 9 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1024", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "8192", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1024", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1024", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5848] close(3) = 0 [pid 5848] getpid() = 1 [pid 5848] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 70.415835][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 70.425624][ T5046] [ 70.425624][ T5046] stack backtrace: [ 70.431601][ T5046] CPU: 1 UID: 0 PID: 5046 Comm: kworker/u8:8 Not tainted 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 70.442110][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 70.452165][ T5046] Workqueue: bond0 bond_mii_monitor [ 70.457473][ T5046] Call Trace: [ 70.460761][ T5046] [ 70.463954][ T5046] dump_stack_lvl+0x241/0x360 [ 70.469251][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.474893][ T5046] ? __pfx__printk+0x10/0x10 [ 70.479490][ T5046] lockdep_rcu_suspicious+0x226/0x340 [ 70.484866][ T5046] dev_deactivate_queue+0x8f/0x160 [ 70.489998][ T5046] dev_deactivate_many+0xc8/0xb10 [ 70.495062][ T5046] dev_deactivate+0x184/0x280 [ 70.499860][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 70.505080][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 70.509953][ T5046] linkwatch_do_dev+0x10a/0x170 [ 70.514811][ T5046] ethtool_op_get_link+0x15/0x60 [ 70.519752][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 70.525386][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 70.530501][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 70.536248][ T5046] bond_mii_monitor+0x49a/0x3170 [ 70.542428][ T5046] ? __lock_acquire+0x1397/0x2100 [ 70.547461][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 70.552573][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 70.557894][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 70.563308][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 70.568465][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 70.574453][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.580788][ T5046] ? process_scheduled_works+0x976/0x1850 [ 70.586508][ T5046] process_scheduled_works+0xa63/0x1850 [ 70.592087][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 70.598086][ T5046] ? assign_work+0x364/0x3d0 [ 70.602683][ T5046] worker_thread+0x870/0xd30 [ 70.607363][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 70.613278][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 70.618312][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 70.623423][ T5046] kthread+0x2f0/0x390 [ 70.627500][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 70.632610][ T5046] ? __pfx_kthread+0x10/0x10 [ 70.637199][ T5046] ret_from_fork+0x4b/0x80 [ 70.641608][ T5046] ? __pfx_kthread+0x10/0x10 [ 70.646191][ T5046] ret_from_fork_asm+0x1a/0x30 [ 70.650964][ T5046] [ 70.658050][ T5046] [ 70.660431][ T5046] ============================= [ 70.665286][ T5046] WARNING: suspicious RCU usage [ 70.670271][ T5046] 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 Not tainted [ 70.677048][ T5046] ----------------------------- [ 70.681969][ T5046] include/linux/rtnetlink.h:156 suspicious rcu_dereference_protected() usage! [ 70.690935][ T5046] [ 70.690935][ T5046] other info that might help us debug this: [ 70.690935][ T5046] [ 70.701263][ T5046] [ 70.701263][ T5046] rcu_scheduler_active = 2, debug_locks = 1 [ 70.709366][ T5046] 3 locks held by kworker/u8:8/5046: [ 70.714637][ T5046] #0: ffff88814dfbb948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 70.725664][ T5046] #1: ffffc9000fec7d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 70.738696][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 70.748444][ T5046] [ 70.748444][ T5046] stack backtrace: [ 70.754450][ T5046] CPU: 0 UID: 0 PID: 5046 Comm: kworker/u8:8 Not tainted 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 70.764939][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 70.775002][ T5046] Workqueue: bond0 bond_mii_monitor [ 70.780212][ T5046] Call Trace: [ 70.783493][ T5046] [ 70.786418][ T5046] dump_stack_lvl+0x241/0x360 [ 70.791095][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 70.796327][ T5046] ? __pfx__printk+0x10/0x10 [ 70.800927][ T5046] lockdep_rcu_suspicious+0x226/0x340 [ 70.807175][ T5046] dev_deactivate_many+0x18f/0xb10 [ 70.812310][ T5046] dev_deactivate+0x184/0x280 [ 70.816998][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 70.822204][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 70.827056][ T5046] linkwatch_do_dev+0x10a/0x170 [ 70.831910][ T5046] ethtool_op_get_link+0x15/0x60 [ 70.836958][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 70.842643][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 70.847770][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 70.853417][ T5046] bond_mii_monitor+0x49a/0x3170 [ 70.858362][ T5046] ? __lock_acquire+0x1397/0x2100 [ 70.863400][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 70.868514][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 70.873725][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 70.879128][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 70.884153][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 70.890145][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 70.896504][ T5046] ? process_scheduled_works+0x976/0x1850 [ 70.902244][ T5046] process_scheduled_works+0xa63/0x1850 [ 70.907816][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 70.913951][ T5046] ? assign_work+0x364/0x3d0 [ 70.918566][ T5046] worker_thread+0x870/0xd30 [ 70.923166][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 70.929064][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 70.934098][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 70.939209][ T5046] kthread+0x2f0/0x390 [ 70.943271][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 70.948378][ T5046] ? __pfx_kthread+0x10/0x10 [ 70.952970][ T5046] ret_from_fork+0x4b/0x80 [ 70.957381][ T5046] ? __pfx_kthread+0x10/0x10 [ 70.961974][ T5046] ret_from_fork_asm+0x1a/0x30 [ 70.966747][ T5046] [ 70.977975][ T5046] BUG: sleeping function called from invalid context at net/core/dev.c:11397 [ 70.987293][ T5046] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5046, name: kworker/u8:8 [ 70.998282][ T5046] preempt_count: 0, expected: 0 [ 71.003377][ T5046] RCU nest depth: 1, expected: 0 [ 71.008405][ T5046] 3 locks held by kworker/u8:8/5046: [ 71.013807][ T5046] #0: ffff88814dfbb948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 71.025346][ T5046] #1: ffffc9000fec7d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 71.038444][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 71.048206][ T5046] CPU: 1 UID: 0 PID: 5046 Comm: kworker/u8:8 Not tainted 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 71.058766][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 71.068819][ T5046] Workqueue: bond0 bond_mii_monitor [ 71.074035][ T5046] Call Trace: [ 71.077495][ T5046] [ 71.080437][ T5046] dump_stack_lvl+0x241/0x360 [ 71.085137][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.090341][ T5046] ? __pfx__printk+0x10/0x10 [ 71.094944][ T5046] __might_resched+0x5d4/0x780 [ 71.099715][ T5046] ? dev_deactivate_many+0x25f/0xb10 [ 71.105003][ T5046] ? __pfx___might_resched+0x10/0x10 [ 71.110297][ T5046] ? __local_bh_enable_ip+0x168/0x200 [ 71.115668][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 71.120950][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 71.126663][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.131865][ T5046] synchronize_net+0x1b/0x50 [ 71.136452][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 71.141562][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 71.146846][ T5046] dev_deactivate+0x184/0x280 [ 71.151524][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 71.156723][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 71.161574][ T5046] linkwatch_do_dev+0x10a/0x170 [ 71.166422][ T5046] ethtool_op_get_link+0x15/0x60 [ 71.171377][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 71.177026][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 71.182154][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 71.187806][ T5046] bond_mii_monitor+0x49a/0x3170 [ 71.192746][ T5046] ? __lock_acquire+0x1397/0x2100 [ 71.197781][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 71.202888][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.208104][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 71.213484][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 71.218504][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.224490][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.230821][ T5046] ? process_scheduled_works+0x976/0x1850 [ 71.236541][ T5046] process_scheduled_works+0xa63/0x1850 [ 71.242115][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 71.248101][ T5046] ? assign_work+0x364/0x3d0 [ 71.252695][ T5046] worker_thread+0x870/0xd30 [ 71.257290][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 71.263182][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 71.268644][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 71.273752][ T5046] kthread+0x2f0/0x390 [ 71.277820][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 71.282932][ T5046] ? __pfx_kthread+0x10/0x10 [ 71.287516][ T5046] ret_from_fork+0x4b/0x80 [ 71.291925][ T5046] ? __pfx_kthread+0x10/0x10 [ 71.296509][ T5046] ret_from_fork_asm+0x1a/0x30 [ 71.301290][ T5046] [ 71.306237][ T5046] [ 71.308669][ T5046] ============================= [ 71.313534][ T5046] WARNING: suspicious RCU usage [ 71.318484][ T5046] 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 Tainted: G W [ 71.326730][ T5046] ----------------------------- [ 71.331674][ T5046] kernel/rcu/tree.c:4102 Illegal synchronize_rcu() in RCU read-side critical section! [ 71.341352][ T5046] [ 71.341352][ T5046] other info that might help us debug this: [ 71.341352][ T5046] [ 71.351654][ T5046] [ 71.351654][ T5046] rcu_scheduler_active = 2, debug_locks = 1 [ 71.359760][ T5046] 3 locks held by kworker/u8:8/5046: [ 71.365143][ T5046] #0: ffff88814dfbb948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 71.376209][ T5046] #1: ffffc9000fec7d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 71.389203][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 71.398940][ T5046] [ 71.398940][ T5046] stack backtrace: [ 71.404861][ T5046] CPU: 0 UID: 0 PID: 5046 Comm: kworker/u8:8 Tainted: G W 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 71.416833][ T5046] Tainted: [W]=WARN [ 71.420629][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 71.430673][ T5046] Workqueue: bond0 bond_mii_monitor [ 71.435865][ T5046] Call Trace: [ 71.439135][ T5046] [ 71.442227][ T5046] dump_stack_lvl+0x241/0x360 [ 71.446897][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.452091][ T5046] ? __pfx__printk+0x10/0x10 [ 71.456676][ T5046] lockdep_rcu_suspicious+0x226/0x340 [ 71.462047][ T5046] synchronize_rcu+0xea/0x360 [ 71.466828][ T5046] ? __pfx_synchronize_rcu+0x10/0x10 [ 71.472121][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 71.477418][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 71.483143][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.488368][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 71.493480][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 71.498782][ T5046] dev_deactivate+0x184/0x280 [ 71.503481][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 71.508699][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 71.513570][ T5046] linkwatch_do_dev+0x10a/0x170 [ 71.518419][ T5046] ethtool_op_get_link+0x15/0x60 [ 71.523356][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 71.528995][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 71.534118][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 71.539748][ T5046] bond_mii_monitor+0x49a/0x3170 [ 71.544680][ T5046] ? __lock_acquire+0x1397/0x2100 [ 71.549696][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 71.554821][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.560033][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 71.565679][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 71.570705][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.576685][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.583011][ T5046] ? process_scheduled_works+0x976/0x1850 [ 71.588728][ T5046] process_scheduled_works+0xa63/0x1850 [ 71.594283][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 71.600291][ T5046] ? assign_work+0x364/0x3d0 [ 71.604880][ T5046] worker_thread+0x870/0xd30 [ 71.609474][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 71.615361][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 71.620397][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 71.625525][ T5046] kthread+0x2f0/0x390 [ 71.629734][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 71.634854][ T5046] ? __pfx_kthread+0x10/0x10 [ 71.639448][ T5046] ret_from_fork+0x4b/0x80 [ 71.643865][ T5046] ? __pfx_kthread+0x10/0x10 [ 71.648455][ T5046] ret_from_fork_asm+0x1a/0x30 [ 71.653242][ T5046] [ 71.659269][ T5046] [ 71.661637][ T5046] ============================= [ 71.666497][ T5046] WARNING: suspicious RCU usage [ 71.671403][ T5046] 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 Tainted: G W [ 71.679744][ T5046] ----------------------------- [ 71.684600][ T5046] kernel/rcu/tree_exp.h:949 Illegal synchronize_rcu_expedited() in RCU read-side critical section! [ 71.695316][ T5046] [ 71.695316][ T5046] other info that might help us debug this: [ 71.695316][ T5046] [ 71.705585][ T5046] [ 71.705585][ T5046] rcu_scheduler_active = 2, debug_locks = 1 [ 71.713790][ T5046] 3 locks held by kworker/u8:8/5046: [ 71.719113][ T5046] #0: ffff88814dfbb948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 71.730109][ T5046] #1: ffffc9000fec7d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 71.743091][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 71.752862][ T5046] [ 71.752862][ T5046] stack backtrace: [ 71.758835][ T5046] CPU: 0 UID: 0 PID: 5046 Comm: kworker/u8:8 Tainted: G W 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 71.770809][ T5046] Tainted: [W]=WARN [ 71.774597][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 71.784650][ T5046] Workqueue: bond0 bond_mii_monitor [ 71.789865][ T5046] Call Trace: [ 71.793148][ T5046] [ 71.796092][ T5046] dump_stack_lvl+0x241/0x360 [ 71.800767][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 71.805953][ T5046] ? __pfx__printk+0x10/0x10 [ 71.810532][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.816507][ T5046] lockdep_rcu_suspicious+0x226/0x340 [ 71.821878][ T5046] synchronize_rcu_expedited+0x12e/0x830 [ 71.827515][ T5046] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 71.833666][ T5046] ? __might_resched+0xf4/0x780 [ 71.838509][ T5046] ? __pfx___might_resched+0x10/0x10 [ 71.843787][ T5046] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 71.849857][ T5046] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 71.855396][ T5046] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 71.860947][ T5046] ? lockdep_rcu_suspicious+0x299/0x340 [ 71.866528][ T5046] synchronize_rcu+0x11b/0x360 [ 71.871294][ T5046] ? __pfx_synchronize_rcu+0x10/0x10 [ 71.876579][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 71.881859][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 71.888012][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.893297][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 71.898512][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 71.903799][ T5046] dev_deactivate+0x184/0x280 [ 71.908477][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 71.913686][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 71.918549][ T5046] linkwatch_do_dev+0x10a/0x170 [ 71.923411][ T5046] ethtool_op_get_link+0x15/0x60 [ 71.928365][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 71.934014][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 71.939118][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 71.944744][ T5046] bond_mii_monitor+0x49a/0x3170 [ 71.949677][ T5046] ? __lock_acquire+0x1397/0x2100 [ 71.954691][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 71.959792][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.965455][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 71.970837][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 71.975876][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 71.981852][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.988279][ T5046] ? process_scheduled_works+0x976/0x1850 [ 71.994032][ T5046] process_scheduled_works+0xa63/0x1850 [ 71.999680][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 72.006377][ T5046] ? assign_work+0x364/0x3d0 [ 72.010972][ T5046] worker_thread+0x870/0xd30 [ 72.015559][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 72.021447][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 72.026466][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 72.031578][ T5046] kthread+0x2f0/0x390 [ 72.035654][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 72.040757][ T5046] ? __pfx_kthread+0x10/0x10 [ 72.045333][ T5046] ret_from_fork+0x4b/0x80 [ 72.049737][ T5046] ? __pfx_kthread+0x10/0x10 [ 72.054318][ T5046] ret_from_fork_asm+0x1a/0x30 [ 72.059104][ T5046] [ 72.062564][ T5046] BUG: sleeping function called from invalid context at kernel/rcu/tree.c:4013 [ 72.071567][ T5046] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5046, name: kworker/u8:8 [ 72.080841][ T5046] preempt_count: 0, expected: 0 [ 72.085716][ T5046] RCU nest depth: 1, expected: 0 [ 72.091447][ T5046] 3 locks held by kworker/u8:8/5046: [ 72.096760][ T5046] #0: ffff88814dfbb948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 72.107732][ T5046] #1: ffffc9000fec7d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 72.120697][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 72.130529][ T5046] CPU: 0 UID: 0 PID: 5046 Comm: kworker/u8:8 Tainted: G W 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 72.142528][ T5046] Tainted: [W]=WARN [ 72.146343][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.156405][ T5046] Workqueue: bond0 bond_mii_monitor [ 72.161633][ T5046] Call Trace: [ 72.164917][ T5046] [ 72.167850][ T5046] dump_stack_lvl+0x241/0x360 [ 72.172533][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.177730][ T5046] ? __pfx__printk+0x10/0x10 [ 72.182345][ T5046] __might_resched+0x5d4/0x780 [ 72.187098][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.192292][ T5046] ? preempt_schedule_notrace+0xf6/0x140 [ 72.197929][ T5046] ? __pfx___might_resched+0x10/0x10 [ 72.203215][ T5046] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 72.208748][ T5046] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 72.214287][ T5046] ? lockdep_rcu_suspicious+0x299/0x340 [ 72.219834][ T5046] synchronize_rcu_expedited+0x148/0x830 [ 72.225461][ T5046] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 72.231615][ T5046] ? __might_resched+0xf4/0x780 [ 72.236463][ T5046] ? __pfx___might_resched+0x10/0x10 [ 72.241748][ T5046] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 72.247817][ T5046] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 72.253359][ T5046] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 72.258919][ T5046] ? lockdep_rcu_suspicious+0x299/0x340 [ 72.264499][ T5046] synchronize_rcu+0x11b/0x360 [ 72.269279][ T5046] ? __pfx_synchronize_rcu+0x10/0x10 [ 72.274570][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 72.279862][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 72.285580][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 72.290785][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 72.295898][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 72.301188][ T5046] dev_deactivate+0x184/0x280 [ 72.305865][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 72.311071][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 72.315933][ T5046] linkwatch_do_dev+0x10a/0x170 [ 72.320782][ T5046] ethtool_op_get_link+0x15/0x60 [ 72.325717][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 72.331351][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 72.336464][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 72.342103][ T5046] bond_mii_monitor+0x49a/0x3170 [ 72.347048][ T5046] ? __lock_acquire+0x1397/0x2100 [ 72.352068][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 72.357180][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 72.362381][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 72.367757][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 72.372786][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.378763][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.385106][ T5046] ? process_scheduled_works+0x976/0x1850 [ 72.390842][ T5046] process_scheduled_works+0xa63/0x1850 [ 72.396407][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 72.402393][ T5046] ? assign_work+0x364/0x3d0 [ 72.406985][ T5046] worker_thread+0x870/0xd30 [ 72.411580][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 72.417474][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 72.422501][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 72.427608][ T5046] kthread+0x2f0/0x390 [ 72.431670][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 72.436777][ T5046] ? __pfx_kthread+0x10/0x10 [ 72.441360][ T5046] ret_from_fork+0x4b/0x80 [ 72.445772][ T5046] ? __pfx_kthread+0x10/0x10 [ 72.450356][ T5046] ret_from_fork_asm+0x1a/0x30 [ 72.455128][ T5046] [ 72.462615][ T5046] [ 72.464974][ T5046] ============================= [ 72.469815][ T5046] [ BUG: Invalid wait context ] [ 72.474642][ T5046] 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 Tainted: G W [ 72.482853][ T5046] ----------------------------- [ 72.487675][ T5046] kworker/u8:8/5046 is trying to lock: [ 72.493109][ T5046] ffffffff8eb41df8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x451/0x830 [ 72.503528][ T5046] other info that might help us debug this: [ 72.509394][ T5046] context-{5:5} [ 72.512830][ T5046] 3 locks held by kworker/u8:8/5046: [ 72.518094][ T5046] #0: ffff88814dfbb948 ((wq_completion)bond0){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 [ 72.528950][ T5046] #1: ffffc9000fec7d00 ((work_completion)(&(&bond->mii_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 [ 72.541891][ T5046] #2: ffffffff8eb3c860 (rcu_read_lock){....}-{1:3}, at: bond_mii_monitor+0x174/0x3170 [ 72.551527][ T5046] stack backtrace: [ 72.555224][ T5046] CPU: 1 UID: 0 PID: 5046 Comm: kworker/u8:8 Tainted: G W 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 72.567181][ T5046] Tainted: [W]=WARN [ 72.570970][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.581011][ T5046] Workqueue: bond0 bond_mii_monitor [ 72.586197][ T5046] Call Trace: [ 72.589461][ T5046] [ 72.592392][ T5046] dump_stack_lvl+0x241/0x360 [ 72.597060][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 72.602259][ T5046] ? __pfx__printk+0x10/0x10 [ 72.606842][ T5046] __lock_acquire+0x15a8/0x2100 [ 72.611681][ T5046] lock_acquire+0x1ed/0x550 [ 72.616177][ T5046] ? synchronize_rcu_expedited+0x451/0x830 [ 72.621967][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 72.626991][ T5046] ? __pfx___might_resched+0x10/0x10 [ 72.632263][ T5046] __mutex_lock+0x1ac/0xee0 [ 72.636751][ T5046] ? synchronize_rcu_expedited+0x451/0x830 [ 72.642540][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 72.647561][ T5046] ? synchronize_rcu_expedited+0x451/0x830 [ 72.653350][ T5046] ? __pfx___mutex_lock+0x10/0x10 [ 72.658358][ T5046] ? do_raw_spin_lock+0x14f/0x370 [ 72.663384][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 72.668568][ T5046] synchronize_rcu_expedited+0x451/0x830 [ 72.674186][ T5046] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 72.680341][ T5046] ? __might_resched+0xf4/0x780 [ 72.685190][ T5046] ? __pfx___might_resched+0x10/0x10 [ 72.690468][ T5046] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 72.696522][ T5046] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 72.702053][ T5046] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 72.707712][ T5046] ? lockdep_rcu_suspicious+0x299/0x340 [ 72.713262][ T5046] synchronize_rcu+0x11b/0x360 [ 72.718022][ T5046] ? __pfx_synchronize_rcu+0x10/0x10 [ 72.723299][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 72.728580][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 72.734285][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 72.739469][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 72.744586][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 72.749860][ T5046] dev_deactivate+0x184/0x280 [ 72.754960][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 72.760146][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 72.764983][ T5046] linkwatch_do_dev+0x10a/0x170 [ 72.769818][ T5046] ethtool_op_get_link+0x15/0x60 [ 72.774763][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 72.780418][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 72.785521][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 72.791169][ T5046] bond_mii_monitor+0x49a/0x3170 [ 72.796117][ T5046] ? __lock_acquire+0x1397/0x2100 [ 72.801135][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 72.806232][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 72.811447][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 72.816808][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 72.821825][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 72.827790][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 72.834126][ T5046] ? process_scheduled_works+0x976/0x1850 [ 72.839837][ T5046] process_scheduled_works+0xa63/0x1850 [ 72.845374][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 72.851338][ T5046] ? assign_work+0x364/0x3d0 [ 72.855938][ T5046] worker_thread+0x870/0xd30 [ 72.860518][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 72.866412][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 72.871441][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 72.876539][ T5046] kthread+0x2f0/0x390 [ 72.880589][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 72.885686][ T5046] ? __pfx_kthread+0x10/0x10 [ 72.890268][ T5046] ret_from_fork+0x4b/0x80 [ 72.894671][ T5046] ? __pfx_kthread+0x10/0x10 [ 72.899251][ T5046] ret_from_fork_asm+0x1a/0x30 [ 72.904007][ T5046] [ 72.907593][ T5046] ------------[ cut here ]------------ [ 72.913070][ T5046] Voluntary context switch within RCU read-side critical section! [ 72.913156][ T5046] WARNING: CPU: 1 PID: 5046 at kernel/rcu/tree_plugin.h:331 rcu_note_context_switch+0xcf4/0xff0 [ 72.931350][ T5046] Modules linked in: [ 72.935239][ T5046] CPU: 1 UID: 0 PID: 5046 Comm: kworker/u8:8 Tainted: G W 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 72.947204][ T5046] Tainted: [W]=WARN [ 72.951007][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 72.961237][ T5046] Workqueue: bond0 bond_mii_monitor [ 72.966867][ T5046] RIP: 0010:rcu_note_context_switch+0xcf4/0xff0 [ 72.973100][ T5046] Code: 00 ba 02 00 00 00 e8 7b 13 fe ff 4c 8b b4 24 80 00 00 00 eb 91 c6 05 a6 25 ad 0e 01 90 48 c7 c7 40 31 2c 8c e8 cd 30 da ff 90 <0f> 0b 90 90 e9 3b f4 ff ff 90 0f 0b 90 45 84 ed 0f 84 00 f4 ff ff [ 72.992711][ T5046] RSP: 0018:ffffc9000fec6ea0 EFLAGS: 00010046 [ 72.998765][ T5046] RAX: ee18fb44c071f500 RBX: ffff888034c4c044 RCX: ffff888034c4bc00 [ 73.006728][ T5046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.014704][ T5046] RBP: ffffc9000fec6ff0 R08: ffffffff8155fe42 R09: fffffbfff1d3a898 [ 73.022665][ T5046] R10: dffffc0000000000 R11: fffffbfff1d3a898 R12: ffff888034c4bc00 [ 73.030627][ T5046] R13: 0000000000000000 R14: 1ffff92001fd8dec R15: dffffc0000000000 [ 73.038589][ T5046] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 73.047593][ T5046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.054168][ T5046] CR2: 00007f802b59c6f0 CR3: 000000000e938000 CR4: 00000000003526f0 [ 73.062135][ T5046] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.070092][ T5046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.078055][ T5046] Call Trace: [ 73.081323][ T5046] [ 73.084242][ T5046] ? __warn+0x168/0x4e0 [ 73.088390][ T5046] ? rcu_note_context_switch+0xcf4/0xff0 [ 73.094012][ T5046] ? report_bug+0x2b3/0x500 [ 73.098510][ T5046] ? rcu_note_context_switch+0xcf4/0xff0 [ 73.104131][ T5046] ? handle_bug+0x60/0x90 [ 73.108464][ T5046] ? exc_invalid_op+0x1a/0x50 [ 73.113134][ T5046] ? asm_exc_invalid_op+0x1a/0x20 [ 73.118176][ T5046] ? __warn_printk+0x292/0x360 [ 73.123015][ T5046] ? rcu_note_context_switch+0xcf4/0xff0 [ 73.128640][ T5046] ? ret_from_fork_asm+0x1a/0x30 [ 73.133570][ T5046] ? __printk_cpu_sync_put+0x67/0x80 [ 73.138846][ T5046] ? dump_stack_lvl+0x301/0x360 [ 73.143718][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.148955][ T5046] ? __pfx__printk+0x10/0x10 [ 73.153558][ T5046] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 73.159545][ T5046] ? rcu_is_watching+0x15/0xb0 [ 73.164338][ T5046] __schedule+0x34b/0x4c30 [ 73.168757][ T5046] ? rcu_is_watching+0x15/0xb0 [ 73.173530][ T5046] ? lock_acquire+0x264/0x550 [ 73.178209][ T5046] ? __pfx___schedule+0x10/0x10 [ 73.183055][ T5046] ? __mutex_trylock_common+0x92/0x2e0 [ 73.188513][ T5046] ? __pfx___mutex_trylock_common+0x10/0x10 [ 73.194398][ T5046] schedule+0x14b/0x320 [ 73.198549][ T5046] schedule_preempt_disabled+0x13/0x30 [ 73.206139][ T5046] __mutex_lock+0x425/0xee0 [ 73.210734][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 73.215767][ T5046] ? synchronize_rcu_expedited+0x451/0x830 [ 73.221580][ T5046] ? __pfx___mutex_lock+0x10/0x10 [ 73.226617][ T5046] ? do_raw_spin_lock+0x14f/0x370 [ 73.231662][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.237119][ T5046] synchronize_rcu_expedited+0x451/0x830 [ 73.242764][ T5046] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 73.249008][ T5046] ? __might_resched+0xf4/0x780 [ 73.254245][ T5046] ? __pfx___might_resched+0x10/0x10 [ 73.259558][ T5046] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 73.265616][ T5046] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 73.271586][ T5046] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 73.277124][ T5046] ? lockdep_rcu_suspicious+0x299/0x340 [ 73.282663][ T5046] synchronize_rcu+0x11b/0x360 [ 73.287454][ T5046] ? __pfx_synchronize_rcu+0x10/0x10 [ 73.292746][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 73.298033][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 73.303754][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.308954][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 73.314063][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 73.319438][ T5046] dev_deactivate+0x184/0x280 [ 73.324108][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 73.329299][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 73.334153][ T5046] linkwatch_do_dev+0x10a/0x170 [ 73.339025][ T5046] ethtool_op_get_link+0x15/0x60 [ 73.343960][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 73.349583][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 73.354686][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 73.360313][ T5046] bond_mii_monitor+0x49a/0x3170 [ 73.365242][ T5046] ? __lock_acquire+0x1397/0x2100 [ 73.370259][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 73.375361][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.380556][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 73.385922][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 73.390937][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.396909][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.403226][ T5046] ? process_scheduled_works+0x976/0x1850 [ 73.409024][ T5046] process_scheduled_works+0xa63/0x1850 [ 73.414695][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 73.420687][ T5046] ? assign_work+0x364/0x3d0 [ 73.425276][ T5046] worker_thread+0x870/0xd30 [ 73.429950][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.435838][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 73.440860][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 73.445972][ T5046] kthread+0x2f0/0x390 [ 73.450029][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 73.455139][ T5046] ? __pfx_kthread+0x10/0x10 [ 73.459717][ T5046] ret_from_fork+0x4b/0x80 [ 73.464128][ T5046] ? __pfx_kthread+0x10/0x10 [ 73.468708][ T5046] ret_from_fork_asm+0x1a/0x30 [ 73.473471][ T5046] [ 73.476501][ T5046] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 73.483771][ T5046] CPU: 1 UID: 0 PID: 5046 Comm: kworker/u8:8 Tainted: G W 6.12.0-syzkaller-05525-g8d5c1b8c3e71 #0 [ 73.495737][ T5046] Tainted: [W]=WARN [ 73.499527][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 73.509571][ T5046] Workqueue: bond0 bond_mii_monitor [ 73.514772][ T5046] Call Trace: [ 73.518050][ T5046] [ 73.520972][ T5046] dump_stack_lvl+0x241/0x360 [ 73.525645][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.530871][ T5046] ? __pfx__printk+0x10/0x10 [ 73.535477][ T5046] ? vscnprintf+0x5d/0x90 [ 73.539837][ T5046] panic+0x349/0x880 [ 73.543751][ T5046] ? __warn+0x177/0x4e0 [ 73.548260][ T5046] ? __pfx_panic+0x10/0x10 [ 73.552678][ T5046] ? ret_from_fork_asm+0x1a/0x30 [ 73.557620][ T5046] __warn+0x34b/0x4e0 [ 73.561603][ T5046] ? rcu_note_context_switch+0xcf4/0xff0 [ 73.567226][ T5046] report_bug+0x2b3/0x500 [ 73.571551][ T5046] ? rcu_note_context_switch+0xcf4/0xff0 [ 73.577172][ T5046] handle_bug+0x60/0x90 [ 73.581319][ T5046] exc_invalid_op+0x1a/0x50 [ 73.585815][ T5046] asm_exc_invalid_op+0x1a/0x20 [ 73.590659][ T5046] RIP: 0010:rcu_note_context_switch+0xcf4/0xff0 [ 73.596887][ T5046] Code: 00 ba 02 00 00 00 e8 7b 13 fe ff 4c 8b b4 24 80 00 00 00 eb 91 c6 05 a6 25 ad 0e 01 90 48 c7 c7 40 31 2c 8c e8 cd 30 da ff 90 <0f> 0b 90 90 e9 3b f4 ff ff 90 0f 0b 90 45 84 ed 0f 84 00 f4 ff ff [ 73.616494][ T5046] RSP: 0018:ffffc9000fec6ea0 EFLAGS: 00010046 [ 73.622553][ T5046] RAX: ee18fb44c071f500 RBX: ffff888034c4c044 RCX: ffff888034c4bc00 [ 73.630514][ T5046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.638476][ T5046] RBP: ffffc9000fec6ff0 R08: ffffffff8155fe42 R09: fffffbfff1d3a898 [ 73.646435][ T5046] R10: dffffc0000000000 R11: fffffbfff1d3a898 R12: ffff888034c4bc00 [ 73.654399][ T5046] R13: 0000000000000000 R14: 1ffff92001fd8dec R15: dffffc0000000000 [ 73.662375][ T5046] ? __warn_printk+0x292/0x360 [ 73.667163][ T5046] ? ret_from_fork_asm+0x1a/0x30 [ 73.672095][ T5046] ? __printk_cpu_sync_put+0x67/0x80 [ 73.677364][ T5046] ? dump_stack_lvl+0x301/0x360 [ 73.682212][ T5046] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.687839][ T5046] ? __pfx__printk+0x10/0x10 [ 73.692459][ T5046] ? __pfx_rcu_note_context_switch+0x10/0x10 [ 73.698506][ T5046] ? rcu_is_watching+0x15/0xb0 [ 73.703485][ T5046] __schedule+0x34b/0x4c30 [ 73.707912][ T5046] ? rcu_is_watching+0x15/0xb0 [ 73.712682][ T5046] ? lock_acquire+0x264/0x550 [ 73.717360][ T5046] ? __pfx___schedule+0x10/0x10 [ 73.722222][ T5046] ? __mutex_trylock_common+0x92/0x2e0 [ 73.727683][ T5046] ? __pfx___mutex_trylock_common+0x10/0x10 [ 73.733591][ T5046] schedule+0x14b/0x320 [ 73.737762][ T5046] schedule_preempt_disabled+0x13/0x30 [ 73.743223][ T5046] __mutex_lock+0x425/0xee0 [ 73.747733][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 73.752749][ T5046] ? synchronize_rcu_expedited+0x451/0x830 [ 73.758550][ T5046] ? __pfx___mutex_lock+0x10/0x10 [ 73.763571][ T5046] ? do_raw_spin_lock+0x14f/0x370 [ 73.768587][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.773865][ T5046] synchronize_rcu_expedited+0x451/0x830 [ 73.779490][ T5046] ? __pfx_synchronize_rcu_expedited+0x10/0x10 [ 73.785749][ T5046] ? __might_resched+0xf4/0x780 [ 73.790613][ T5046] ? __pfx___might_resched+0x10/0x10 [ 73.795914][ T5046] ? preempt_schedule_notrace_thunk+0x1a/0x30 [ 73.802018][ T5046] ? nbcon_cpu_emergency_exit+0x6e/0xd0 [ 73.807572][ T5046] ? nbcon_cpu_emergency_exit+0x77/0xd0 [ 73.813119][ T5046] ? lockdep_rcu_suspicious+0x299/0x340 [ 73.818658][ T5046] synchronize_rcu+0x11b/0x360 [ 73.823413][ T5046] ? __pfx_synchronize_rcu+0x10/0x10 [ 73.828692][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 73.833969][ T5046] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 73.839684][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.844876][ T5046] dev_deactivate_many+0x4a7/0xb10 [ 73.849983][ T5046] ? dev_deactivate_many+0x250/0xb10 [ 73.855283][ T5046] dev_deactivate+0x184/0x280 [ 73.859962][ T5046] ? __pfx_dev_deactivate+0x10/0x10 [ 73.865500][ T5046] ? rfc2863_policy+0x1d7/0x300 [ 73.870344][ T5046] linkwatch_do_dev+0x10a/0x170 [ 73.875186][ T5046] ethtool_op_get_link+0x15/0x60 [ 73.880119][ T5046] ? __pfx_ethtool_op_get_link+0x10/0x10 [ 73.885770][ T5046] bond_check_dev_link+0x1f1/0x3f0 [ 73.890875][ T5046] ? __pfx_bond_check_dev_link+0x10/0x10 [ 73.896504][ T5046] bond_mii_monitor+0x49a/0x3170 [ 73.901435][ T5046] ? __lock_acquire+0x1397/0x2100 [ 73.906446][ T5046] ? bond_mii_monitor+0x174/0x3170 [ 73.911583][ T5046] ? do_raw_spin_unlock+0x13c/0x8b0 [ 73.916796][ T5046] ? __pfx_bond_mii_monitor+0x10/0x10 [ 73.922161][ T5046] ? __pfx_lock_acquire+0x10/0x10 [ 73.927176][ T5046] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.933405][ T5046] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.940067][ T5046] ? process_scheduled_works+0x976/0x1850 [ 73.945866][ T5046] process_scheduled_works+0xa63/0x1850 [ 73.951411][ T5046] ? __pfx_process_scheduled_works+0x10/0x10 [ 73.957391][ T5046] ? assign_work+0x364/0x3d0 [ 73.961993][ T5046] worker_thread+0x870/0xd30 [ 73.966582][ T5046] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 73.972472][ T5046] ? __kthread_parkme+0x169/0x1d0 [ 73.977506][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 73.982617][ T5046] kthread+0x2f0/0x390 [ 73.986676][ T5046] ? __pfx_worker_thread+0x10/0x10 [ 73.991780][ T5046] ? __pfx_kthread+0x10/0x10 [ 73.996363][ T5046] ret_from_fork+0x4b/0x80 [ 74.000768][ T5046] ? __pfx_kthread+0x10/0x10 [ 74.005347][ T5046] ret_from_fork_asm+0x1a/0x30 [ 74.010114][ T5046] [ 74.013947][ T5046] Kernel Offset: disabled [ 74.018262][ T5046] Rebooting in 86400 seconds..