INFO: task syz-executor.3:8421 blocked for more than 143 seconds. Not tainted 5.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D26448 8421 7156 0x00000004 Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4083 schedule+0xc3/0x2b0 kernel/sched/core.c:4158 schedule_timeout+0x47a/0x710 kernel/time/timer.c:1874 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x171/0x280 kernel/sched/completion.c:138 __flush_work+0x3f7/0x8c0 kernel/workqueue.c:3045 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3132 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3264 tls_sw_cancel_work_tx+0x63/0x70 net/tls/tls_sw.c:2096 tls_sk_proto_close+0x3fb/0x990 net/tls/tls_main.c:305 inet_release+0xc1/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:471 __sock_release+0xc2/0x270 net/socket.c:605 sock_close+0x13/0x20 net/socket.c:1283 __fput+0x2a7/0x790 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0xcc/0x160 kernel/task_work.c:123 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x24e/0x2e0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x531/0x630 arch/x86/entry/common.c:305 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x414f51 Code: Bad RIP value. RSP: 002b:00007ffe62283ac0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffe62283ba0 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.2:8438 blocked for more than 143 seconds. Not tainted 5.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D27304 8438 7158 0x00000004 Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4083 schedule+0xc3/0x2b0 kernel/sched/core.c:4158 schedule_timeout+0x47a/0x710 kernel/time/timer.c:1874 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x171/0x280 kernel/sched/completion.c:138 __flush_work+0x3f7/0x8c0 kernel/workqueue.c:3045 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3132 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3264 tls_sw_cancel_work_tx+0x63/0x70 net/tls/tls_sw.c:2096 tls_sk_proto_close+0x3fb/0x990 net/tls/tls_main.c:305 inet_release+0xc1/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:471 __sock_release+0xc2/0x270 net/socket.c:605 sock_close+0x13/0x20 net/socket.c:1283 __fput+0x2a7/0x790 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0xcc/0x160 kernel/task_work.c:123 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x24e/0x2e0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x531/0x630 arch/x86/entry/common.c:305 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x414f51 Code: Bad RIP value. RSP: 002b:00007ffd82d61530 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffd82d61610 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.1:8444 blocked for more than 144 seconds. Not tainted 5.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D27304 8444 7168 0x00000004 Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4083 schedule+0xc3/0x2b0 kernel/sched/core.c:4158 schedule_timeout+0x47a/0x710 kernel/time/timer.c:1874 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x171/0x280 kernel/sched/completion.c:138 __flush_work+0x3f7/0x8c0 kernel/workqueue.c:3045 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3132 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3264 tls_sw_cancel_work_tx+0x63/0x70 net/tls/tls_sw.c:2096 tls_sk_proto_close+0x3fb/0x990 net/tls/tls_main.c:305 inet_release+0xc1/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:471 __sock_release+0xc2/0x270 net/socket.c:605 sock_close+0x13/0x20 net/socket.c:1283 __fput+0x2a7/0x790 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0xcc/0x160 kernel/task_work.c:123 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x24e/0x2e0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x531/0x630 arch/x86/entry/common.c:305 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x414f51 Code: Bad RIP value. RSP: 002b:00007fff25979660 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007fff25979740 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.0:8448 blocked for more than 144 seconds. Not tainted 5.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27304 8448 7161 0x00000004 Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4083 schedule+0xc3/0x2b0 kernel/sched/core.c:4158 schedule_timeout+0x47a/0x710 kernel/time/timer.c:1874 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x171/0x280 kernel/sched/completion.c:138 __flush_work+0x3f7/0x8c0 kernel/workqueue.c:3045 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3132 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3264 tls_sw_cancel_work_tx+0x63/0x70 net/tls/tls_sw.c:2096 tls_sk_proto_close+0x3fb/0x990 net/tls/tls_main.c:305 inet_release+0xc1/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:471 __sock_release+0xc2/0x270 net/socket.c:605 sock_close+0x13/0x20 net/socket.c:1283 __fput+0x2a7/0x790 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0xcc/0x160 kernel/task_work.c:123 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x24e/0x2e0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x531/0x630 arch/x86/entry/common.c:305 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x414f51 Code: Bad RIP value. RSP: 002b:00007fffd6657e90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007fffd6657f70 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.5:8453 blocked for more than 144 seconds. Not tainted 5.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D27304 8453 7176 0x00000004 Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4083 schedule+0xc3/0x2b0 kernel/sched/core.c:4158 schedule_timeout+0x47a/0x710 kernel/time/timer.c:1874 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x171/0x280 kernel/sched/completion.c:138 __flush_work+0x3f7/0x8c0 kernel/workqueue.c:3045 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3132 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3264 tls_sw_cancel_work_tx+0x63/0x70 net/tls/tls_sw.c:2096 tls_sk_proto_close+0x3fb/0x990 net/tls/tls_main.c:305 inet_release+0xc1/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:471 __sock_release+0xc2/0x270 net/socket.c:605 sock_close+0x13/0x20 net/socket.c:1283 __fput+0x2a7/0x790 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0xcc/0x160 kernel/task_work.c:123 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x24e/0x2e0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x531/0x630 arch/x86/entry/common.c:305 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x414f51 Code: Bad RIP value. RSP: 002b:00007ffe3e314270 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffe3e314350 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.4:8457 blocked for more than 145 seconds. Not tainted 5.7.0-rc4-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D27304 8457 7173 0x00000004 Call Trace: context_switch kernel/sched/core.c:3367 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4083 schedule+0xc3/0x2b0 kernel/sched/core.c:4158 schedule_timeout+0x47a/0x710 kernel/time/timer.c:1874 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x171/0x280 kernel/sched/completion.c:138 __flush_work+0x3f7/0x8c0 kernel/workqueue.c:3045 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3132 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3264 tls_sw_cancel_work_tx+0x63/0x70 net/tls/tls_sw.c:2096 tls_sk_proto_close+0x3fb/0x990 net/tls/tls_main.c:305 inet_release+0xc1/0x1c0 net/ipv4/af_inet.c:427 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:471 __sock_release+0xc2/0x270 net/socket.c:605 sock_close+0x13/0x20 net/socket.c:1283 __fput+0x2a7/0x790 fs/file_table.c:280 ____fput+0x9/0x10 fs/file_table.c:313 task_work_run+0xcc/0x160 kernel/task_work.c:123 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x24e/0x2e0 arch/x86/entry/common.c:165 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x531/0x630 arch/x86/entry/common.c:305 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x414f51 Code: Bad RIP value. RSP: 002b:00007ffdb7eda760 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffdb7eda840 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c Showing all locks held in the system: 3 locks held by kworker/0:0/5: #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a6/0x1690 kernel/workqueue.c:2239 #1: ffffc90000cbfde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2243 #2: ffff88809ac63cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by khungtaskd/1143: #0: ffffffff891b7100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x5b/0x275 kernel/locking/lockdep.c:5756 3 locks held by kworker/0:2/2730: #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a6/0x1690 kernel/workqueue.c:2239 #1: ffffc900087dfde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2243 #2: ffff8880a3a514d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by in:imklog/6668: 3 locks held by kworker/0:3/7052: #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a6/0x1690 kernel/workqueue.c:2239 #1: ffffc90005797de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2243 #2: ffff8880a47084d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by syz-executor.3/8421: #0: ffff8880842b1210 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff8880842b1210 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.2/8438: #0: ffff88807f3cfc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807f3cfc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 3 locks held by kworker/0:4/8442: #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a6/0x1690 kernel/workqueue.c:2239 #1: ffffc90009f7fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2243 #2: ffff8880868dfcd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 3 locks held by kworker/0:5/8443: #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a6/0x1690 kernel/workqueue.c:2239 #1: ffffc90009fbfde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2243 #2: ffff88809ae578d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by syz-executor.1/8444: #0: ffff88807f088c90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807f088c90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.0/8448: #0: ffff88807f0ac750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807f0ac750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.5/8453: #0: ffff88807f3ae750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807f3ae750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 3 locks held by kworker/0:7/8455: #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline] #0: ffff8880aa426d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a6/0x1690 kernel/workqueue.c:2239 #1: ffffc90009f6fde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2243 #2: ffff88806d8b34d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by syz-executor.4/8457: #0: ffff88807f3e0c90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807f3e0c90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1143 Comm: khungtaskd Not tainted 5.7.0-rc4-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+0x12d/0x187 lib/dump_stack.c:118 nmi_cpu_backtrace.cold.7+0x4b/0x84 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x18b/0x1b7 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline] watchdog+0x611/0xc50 kernel/hung_task.c:289 kthread+0x354/0x420 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x12/0x20 arch/x86/include/asm/irqflags.h:60