INFO: task syz-executor.0:8502 blocked for more than 143 seconds. Not tainted 5.6.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D27304 8502 7240 0x00000004 Call Trace: context_switch kernel/sched/core.c:3378 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4094 schedule+0xc3/0x2b0 kernel/sched/core.c:4168 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:3043 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3130 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3262 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+0x269/0x780 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:00007ffd7ced54a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffd7ced5580 R11: 0000000000000293 R12: 000000000075bf20 R13: 000000000000f921 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.1:8517 blocked for more than 143 seconds. Not tainted 5.6.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D27024 8517 7247 0x00000004 Call Trace: context_switch kernel/sched/core.c:3378 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4094 schedule+0xc3/0x2b0 kernel/sched/core.c:4168 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:3043 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3130 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3262 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+0x269/0x780 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:00007ffd98b223f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffd98b224d0 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.3:8521 blocked for more than 144 seconds. Not tainted 5.6.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D27304 8521 7242 0x00000004 Call Trace: context_switch kernel/sched/core.c:3378 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4094 schedule+0xc3/0x2b0 kernel/sched/core.c:4168 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:3043 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3130 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3262 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+0x269/0x780 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:00007ffceff2d0e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffceff2d1c0 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.5:8525 blocked for more than 144 seconds. Not tainted 5.6.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D27304 8525 7239 0x00000004 Call Trace: context_switch kernel/sched/core.c:3378 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4094 schedule+0xc3/0x2b0 kernel/sched/core.c:4168 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:3043 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3130 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3262 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+0x269/0x780 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:00007ffebb3f0460 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffebb3f0540 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.4:8529 blocked for more than 144 seconds. Not tainted 5.6.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D27304 8529 7246 0x00000004 Call Trace: context_switch kernel/sched/core.c:3378 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4094 schedule+0xc3/0x2b0 kernel/sched/core.c:4168 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:3043 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3130 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3262 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+0x269/0x780 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:00007fffddd5aa10 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007fffddd5aaf0 R11: 0000000000000293 R12: 000000000075c9a0 R13: 000000000075c9a0 R14: 0000000000760930 R15: 000000000075bf2c INFO: task syz-executor.2:8533 blocked for more than 145 seconds. Not tainted 5.6.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D27304 8533 7244 0x00000004 Call Trace: context_switch kernel/sched/core.c:3378 [inline] __schedule+0x8ae/0x19c0 kernel/sched/core.c:4094 schedule+0xc3/0x2b0 kernel/sched/core.c:4168 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:3043 __cancel_work_timer+0x308/0x440 kernel/workqueue.c:3130 cancel_delayed_work_sync+0xe/0x10 kernel/workqueue.c:3262 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+0x269/0x780 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:00007ffff6dd4c80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000414f51 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000001 R08: ffffffffffffffff R09: ffffffffffffffff R10: 00007ffff6dd4d60 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:2237 #1: ffffc90000cbfde8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2241 #2: ffff88809e3d5cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by khungtaskd/1142: #0: ffffffff891b3800 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x5b/0x275 kernel/locking/lockdep.c:5745 3 locks held by kworker/0:3/4145: #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:2237 #1: ffffc90004537de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2241 #2: ffff8880a7f234d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 3 locks held by kworker/0:4/4146: #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:2237 #1: ffffc90004547de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2241 #2: ffff888099d720d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 3 locks held by kworker/0:5/4147: #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:2237 #1: ffffc90004627de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2241 #2: ffff8880a2fbd8d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 3 locks held by kworker/0:6/4150: #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:2237 #1: ffffc90004647de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2241 #2: ffff88809f1e98d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 2 locks held by kworker/0:7/4151: 3 locks held by kworker/0:8/4152: #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:2237 #1: ffffc90004637de8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d7/0x1690 kernel/workqueue.c:2241 #2: ffff8880989a48d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0xf5/0x150 net/tls/tls_sw.c:2209 1 lock held by in:imklog/6696: #0: ffff8880a2e5f0f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xa9/0xc0 fs/file.c:826 1 lock held by syz-executor.0/8502: #0: ffff88807442fc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807442fc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.1/8517: #0: ffff888074433750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff888074433750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.3/8521: #0: ffff88807f3fbc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807f3fbc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.5/8525: #0: ffff888074408750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff888074408750 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.4/8529: #0: ffff88807440fc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807440fc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 1 lock held by syz-executor.2/8533: #0: ffff88807441bc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline] #0: ffff88807441bc90 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x7d/0x270 net/socket.c:604 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1142 Comm: khungtaskd Not tainted 5.6.0-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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6701 Comm: rs:main Q:Reg Not tainted 5.6.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_save_flags+0x2e/0x40 arch/x86/include/asm/paravirt.h:754 Code: 3a 14 89 55 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 89 e5 48 c1 ea 03 80 3c 02 00 75 15 48 83 3d 4e 0c cb 07 00 74 09 9c 58 <0f> 1f 44 00 00 5d c3 0f 0b e8 64 42 58 00 eb e4 66 90 55 48 89 e5 RSP: 0018:ffffc9000961f680 EFLAGS: 00000286 RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffff88808de00a08 RDX: 1ffffffff1228743 RSI: ffffffff891b3740 RDI: ffffffff89143a18 RBP: ffffc9000961f680 R08: ffffed101327b479 R09: ffffed101327b479 R10: ffff8880993da3c7 R11: ffffed101327b478 R12: 0000000000000000 R13: ffffffff87dadbc0 R14: 000000000000168d R15: ffff88808de00140 FS: 00007f41ec8e8700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb177d92000 CR3: 0000000090760000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ___might_sleep+0x16b/0x2b0 kernel/sched/core.c:6779 __might_sleep+0x95/0x190 kernel/sched/core.c:6765 ext4_mark_inode_dirty+0xf5/0x790 fs/ext4/inode.c:5773 ext4_dirty_inode+0xc6/0x100 fs/ext4/inode.c:5814 __mark_inode_dirty+0x48d/0xe50 fs/fs-writeback.c:2258 mark_inode_dirty include/linux/fs.h:2189 [inline] generic_write_end+0x245/0x310 fs/buffer.c:2193 ext4_da_write_end+0x171/0xa40 fs/ext4/inode.c:3092 generic_perform_write+0x34a/0x490 mm/filemap.c:3301 ext4_buffered_write_iter+0x1be/0x3d0 fs/ext4/file.c:270 ext4_file_write_iter+0x1b7/0x13b0 fs/ext4/file.c:642 call_write_iter include/linux/fs.h:1907 [inline] new_sync_write+0x400/0x7e0 fs/read_write.c:483 __vfs_write+0x94/0x110 fs/read_write.c:496 vfs_write+0x190/0x530 fs/read_write.c:558 ksys_write+0x10b/0x220 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:620 do_syscall_64+0xca/0x630 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x7f41ef32c1cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f41ec8e7590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f41e4023b60 RCX: 00007f41ef32c1cd RDX: 00000000000004d3 RSI: 00007f41e4023b60 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f41e40238e0 R13: 00007f41ec8e75b0 R14: 000055c34b956360 R15: 00000000000004d3