bisecting fixing commit since 174651bdf802a2139065e8e31ce950e2f3fc4a94 building syzkaller on b20883285d2350f5694399287b7f03478a3036c6 testing commit 174651bdf802a2139065e8e31ce950e2f3fc4a94 with gcc (GCC) 8.1.0 kernel signature: 8ea0bdc117b57b236e0b318b772f55e0e1f6c345 all runs: crashed: BUG: sleeping function called from invalid context in lock_sock_nested testing current HEAD c7ecf3e3a71c216327980f26b1e895ce9b07ad31 testing commit c7ecf3e3a71c216327980f26b1e895ce9b07ad31 with gcc (GCC) 8.1.0 kernel signature: 8170f1c38af41b429149a7512865bc1d834e1f1e all runs: crashed: BUG: sleeping function called from invalid context in lock_sock_nested revisions tested: 2, total time: 25m15.732580717s (build: 18m2.37453282s, test: 6m30.798855834s) the crash still happens on HEAD commit msg: Linux 4.19.92 crash: BUG: sleeping function called from invalid context in lock_sock_nested IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 BUG: sleeping function called from invalid context at net/core/sock.c:2837 in_atomic(): 1, irqs_disabled(): 0, pid: 18, name: ksoftirqd/1 1 lock held by ksoftirqd/1/18: #0: 00000000ebf06ae2 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: rcu_process_callbacks+0xcab/0x19a0 kernel/rcu/tree.c:2881 Preemption disabled at: [] __do_softirq+0xf3/0x92d kernel/softirq.c:269 CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 ___might_sleep.cold.88+0x1bb/0x1f4 kernel/sched/core.c:6192 __might_sleep+0x95/0x190 kernel/sched/core.c:6145 lock_sock_nested+0x24/0x100 net/core/sock.c:2837 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 run_ksoftirqd+0x94/0x100 kernel/softirq.c:653 smpboot_thread_fn+0x55f/0x8a0 kernel/smpboot.c:164 kthread+0x324/0x3e0 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ================================ WARNING: inconsistent lock state kobject: 'loop0' (000000006f7322c2): kobject_uevent_env 4.19.92-syzkaller #0 Tainted: G W -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. ksoftirqd/1/18 [HC0[0]:SC1[3]:HE1:SE0] takes: 0000000058584ced (sk_lock-AF_ALG){+.?.}, at: lock_sock include/net/sock.h:1501 [inline] 0000000058584ced (sk_lock-AF_ALG){+.?.}, at: af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 {SOFTIRQ-ON-W} state was registered at: __trace_hardirqs_on_caller kernel/locking/lockdep.c:2834 [inline] lockdep_hardirqs_on+0x421/0x5c0 kernel/locking/lockdep.c:2879 trace_hardirqs_on+0x28/0x190 kernel/trace/trace_preemptirq.c:30 __local_bh_enable_ip+0x160/0x260 kernel/softirq.c:194 local_bh_enable include/linux/bottom_half.h:32 [inline] lock_sock_nested+0xc5/0x100 net/core/sock.c:2847 lock_sock include/net/sock.h:1501 [inline] alg_bind+0x21c/0x4d0 crypto/af_alg.c:192 __sys_bind+0x1e1/0x230 net/socket.c:1482 __do_sys_bind net/socket.c:1493 [inline] __se_sys_bind net/socket.c:1491 [inline] __x64_sys_bind+0x6e/0xb0 net/socket.c:1491 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe irq event stamp: 768636 hardirqs last enabled at (768636): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (768635): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (768162): [] __do_softirq+0x642/0x92d kernel/softirq.c:318 softirqs last disabled at (768167): [] run_ksoftirqd+0x94/0x100 kernel/softirq.c:653 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(sk_lock-AF_ALG); lock(sk_lock-AF_ALG); *** DEADLOCK *** 1 lock held by ksoftirqd/1/18: #0: 00000000ebf06ae2 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] #0: 00000000ebf06ae2 (rcu_callback){....}, at: rcu_process_callbacks+0xcab/0x19a0 kernel/rcu/tree.c:2881 stack backtrace: CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G W 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 print_usage_bug.cold.60+0x320/0x41a kernel/locking/lockdep.c:2540 valid_state kernel/locking/lockdep.c:2553 [inline] mark_lock_irq kernel/locking/lockdep.c:2747 [inline] mark_lock+0xd4f/0x1340 kernel/locking/lockdep.c:3127 mark_irqflags kernel/locking/lockdep.c:3005 [inline] __lock_acquire+0x152f/0x4980 kernel/locking/lockdep.c:3368 lock_acquire+0x173/0x3d0 kernel/locking/lockdep.c:3903 lock_sock_nested+0xb3/0x100 net/core/sock.c:2846 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 run_ksoftirqd+0x94/0x100 kernel/softirq.c:653 smpboot_thread_fn+0x55f/0x8a0 kernel/smpboot.c:164 kthread+0x324/0x3e0 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env BUG: sleeping function called from invalid context at net/core/sock.c:2837 in_atomic(): 1, irqs_disabled(): 0, pid: 7140, name: syz-executor.4 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0xf3/0x92d kernel/softirq.c:269 CPU: 1 PID: 7140 Comm: syz-executor.4 Tainted: G W 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 ___might_sleep.cold.88+0x1bb/0x1f4 kernel/sched/core.c:6192 __might_sleep+0x95/0x190 kernel/sched/core.c:6145 lock_sock_nested+0x24/0x100 net/core/sock.c:2837 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13e/0x540 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1f1/0x3d0 kernel/locking/lockdep.c:3906 Code: 00 00 00 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 aa 01 00 00 48 83 3d c3 f1 06 07 00 0f 84 31 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b RSP: 0018:ffff888081ec7988 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88807ea88080 RCX: 0000000000000002 RDX: 1ffffffff10a40e9 RSI: 0000000000000000 RDI: 0000000000000286 RBP: ffff888081ec79d0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed1015d64732 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] is_bpf_text_address+0x2d/0xe0 kernel/bpf/core.c:545 kernel_text_address+0x79/0xf0 kernel/extable.c:152 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x9c/0x100 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490 kmem_cache_alloc+0x12e/0x730 mm/slab.c:3559 getname_flags+0xb8/0x520 fs/namei.c:140 getname fs/namei.c:211 [inline] user_path_create fs/namei.c:3693 [inline] do_mkdirat+0x9a/0x220 fs/namei.c:3831 __do_sys_mkdir fs/namei.c:3855 [inline] __se_sys_mkdir fs/namei.c:3853 [inline] __x64_sys_mkdir+0x57/0x80 fs/namei.c:3853 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a97 Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fff51423978 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000000000001000b RCX: 0000000000459a97 RDX: 00007fff514239c5 RSI: 00000000000001ff RDI: 00007fff514239c0 RBP: 00000000000001ad R08: 0000000000000000 R09: 0000000000000005 R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d R13: 00007fff514239b0 R14: 000000000000fffb R15: 00007fff514239c0 kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000056c10213): kobject_uevent_env kobject: 'loop3' (0000000056c10213): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' BUG: sleeping function called from invalid context at net/core/sock.c:2837 in_atomic(): 1, irqs_disabled(): 0, pid: 18, name: ksoftirqd/1 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0xf3/0x92d kernel/softirq.c:269 CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G W 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 ___might_sleep.cold.88+0x1bb/0x1f4 kernel/sched/core.c:6192 __might_sleep+0x95/0x190 kernel/sched/core.c:6145 lock_sock_nested+0x24/0x100 net/core/sock.c:2837 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 run_ksoftirqd+0x94/0x100 kernel/softirq.c:653 smpboot_thread_fn+0x55f/0x8a0 kernel/smpboot.c:164 kthread+0x324/0x3e0 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' BUG: sleeping function called from invalid context at net/core/sock.c:2837 in_atomic(): 1, irqs_disabled(): 0, pid: 9, name: ksoftirqd/0 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0xf3/0x92d kernel/softirq.c:269 CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G W 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 ___might_sleep.cold.88+0x1bb/0x1f4 kernel/sched/core.c:6192 __might_sleep+0x95/0x190 kernel/sched/core.c:6145 lock_sock_nested+0x24/0x100 net/core/sock.c:2837 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 run_ksoftirqd+0x94/0x100 kernel/softirq.c:653 smpboot_thread_fn+0x55f/0x8a0 kernel/smpboot.c:164 kthread+0x324/0x3e0 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' BUG: sleeping function called from invalid context at net/core/sock.c:2837 in_atomic(): 1, irqs_disabled(): 0, pid: 7140, name: syz-executor.4 INFO: lockdep is turned off. kobject: 'loop2' (0000000024748e80): kobject_uevent_env Preemption disabled at: [] __do_softirq+0xf3/0x92d kernel/softirq.c:269 CPU: 1 PID: 7140 Comm: syz-executor.4 Tainted: G W 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 ___might_sleep.cold.88+0x1bb/0x1f4 kernel/sched/core.c:6192 kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' __might_sleep+0x95/0x190 kernel/sched/core.c:6145 lock_sock_nested+0x24/0x100 net/core/sock.c:2837 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13e/0x540 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 RIP: 0033:0x400310 Code: 05 05 3d 31 00 48 85 c0 74 05 e8 0b fd bf ff 48 83 c4 08 c3 00 00 00 00 00 00 ff 25 12 3d 31 00 68 00 00 00 00 e9 00 00 00 00 25 0a 3d 31 00 68 00 00 00 00 e9 00 00 00 00 ff 25 02 3d 31 00 RSP: 002b:00007fff51422818 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 000000000000000a RBX: 0000000001061970 RCX: 0000000000000982 RDX: 000000000000000b RSI: 0000000001061982 RDI: 0000000001061983 RBP: 0000000000000020 R08: 0000000000000001 R09: 0000000001060940 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000001061a00 R13: 0000000000000090 R14: 0000000001061982 R15: 000000000000000a kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000357de500): kobject_uevent_env kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000357de500): kobject_uevent_env BUG: sleeping function called from invalid context at net/core/sock.c:2837 in_atomic(): 1, irqs_disabled(): 0, pid: 18, name: ksoftirqd/1 INFO: lockdep is turned off. Preemption disabled at: [] __do_softirq+0xf3/0x92d kernel/softirq.c:269 CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G W 4.19.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x123/0x177 lib/dump_stack.c:118 ___might_sleep.cold.88+0x1bb/0x1f4 kernel/sched/core.c:6192 __might_sleep+0x95/0x190 kernel/sched/core.c:6145 lock_sock_nested+0x24/0x100 net/core/sock.c:2837 lock_sock include/net/sock.h:1501 [inline] af_alg_release_parent+0x124/0x1e0 crypto/af_alg.c:142 hash_sock_destruct+0x14e/0x1c0 crypto/algif_hash.c:428 __sk_destruct+0x48/0x600 net/core/sock.c:1558 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xbcd/0x19a0 kernel/rcu/tree.c:2881 __do_softirq+0x260/0x92d kernel/softirq.c:292 run_ksoftirqd+0x94/0x100 kernel/softirq.c:653 smpboot_thread_fn+0x55f/0x8a0 kernel/smpboot.c:164 kthread+0x324/0x3e0 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 kobject: 'loop4' (00000000357de500): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000006f7322c2): kobject_uevent_env kobject: 'loop0' (000000006f7322c2): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000024748e80): kobject_uevent_env kobject: 'loop2' (0000000024748e80): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000003a23b0ae): kobject_uevent_env kobject: 'loop1' (000000003a23b0ae): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000049ab567): kobject_uevent_env kobject: 'loop5' (00000000049ab567): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000357de500): kobject_uevent_env