BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock_irq include/linux/spinlock.h:375 [inline] [] __set_current_blocked+0x11b/0x2f0 kernel/signal.c:3067 CPU: 0 PID: 298 Comm: sshd Not tainted 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280c2773 Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41 RSP: 002b:00007fff39fd7520 EFLAGS: 00000246 ORIG_RAX: 000000000000000e RAX: 0000000000000000 RBX: 0000000000060000 RCX: 00007f69280c2773 RDX: 00007fff39fd7608 RSI: 00007fff39fd7588 RDI: 0000000000000001 RBP: 000056294104d5e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 000056293f314aa4 R13: 000000000000001e R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock_irq include/linux/spinlock.h:375 [inline] [] __set_current_blocked+0x11b/0x2f0 kernel/signal.c:3067 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280c2773 Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41 RSP: 002b:00007fff39fd7520 EFLAGS: 00000246 ORIG_RAX: 000000000000000e RAX: 0000000000000000 RBX: 0000000000060000 RCX: 00007f69280c2773 RDX: 00007fff39fd7608 RSI: 00007fff39fd7588 RDI: 0000000000000001 RBP: 000056294104d5e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 000056293f314aa4 R13: 000000000000001f R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:355 [inline] [] release_sock+0x30/0x1b0 net/core/sock.c:3512 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280c2773 Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41 RSP: 002b:00007fff39fd7520 EFLAGS: 00000246 ORIG_RAX: 000000000000000e RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f69280c2773 RDX: 00007fff39fd7608 RSI: 00007fff39fd7588 RDI: 0000000000000000 RBP: 000056294104d5e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 000056293f314aa4 R13: 000000000000001f R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] try_to_wake_up+0x85/0x1220 kernel/sched/core.c:4225 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280fd587 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 b9 01 00 00 00 e9 12 fe ff ff 31 c9 e9 0b fe ff ff 0f 1f 84 00 00 00 00 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00 RSP: 002b:00007fff39fd7368 EFLAGS: 00000246 ORIG_RAX: 0000000000000027 RAX: 000000000000012a RBX: 000000000000000a RCX: 00007f69280fd587 RDX: 0000000000000000 RSI: 000000000000000a RDI: 000000000000000a RBP: 000056294104856a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400 R13: 000000000000000a R14: 0000000000000000 R15: 000056294104d290 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] schedule+0xbc/0x180 kernel/sched/core.c:6808 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280c2773 Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41 RSP: 002b:00007fff39fd7520 EFLAGS: 00000246 ORIG_RAX: 000000000000000e RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f69280c2773 RDX: 00007fff39fd7608 RSI: 00007fff39fd7588 RDI: 0000000000000000 RBP: 000056294104d5e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 000056293f314aa4 R13: 0000000000000020 R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock_irq include/linux/spinlock.h:375 [inline] [] pipe_read+0x5b3/0x1040 fs/pipe.c:325 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6928116bf2 Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007fff39fd7518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000054 RBX: 0000000000000054 RCX: 00007f6928116bf2 RDX: 0000000000000054 RSI: 0000562941063930 RDI: 0000000000000004 RBP: 000056294104d290 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000056293f314aa4 R13: 0000000000000020 R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock_bh include/linux/spinlock.h:355 [inline] [] release_sock+0x30/0x1b0 net/core/sock.c:3512 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280fd587 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 b9 01 00 00 00 e9 12 fe ff ff 31 c9 e9 0b fe ff ff 0f 1f 84 00 00 00 00 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00 RSP: 002b:00007fff39fd7368 EFLAGS: 00000246 ORIG_RAX: 0000000000000027 RAX: 000000000000012a RBX: 0000000000000006 RCX: 00007f69280fd587 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 000056294104853e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400 R13: 0000000000000006 R14: 0000000000000000 R15: 000056294104d290 BUG: scheduling while atomic: sshd/298/0x00000002 Modules linked in: Preemption disabled at: [] spin_lock_irq include/linux/spinlock.h:375 [inline] [] __set_current_blocked+0x11b/0x2f0 kernel/signal.c:3067 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 __schedule_bug+0x195/0x260 kernel/sched/core.c:5964 schedule_debug kernel/sched/core.c:5991 [inline] __schedule+0xcf7/0x1550 kernel/sched/core.c:6626 schedule+0xc3/0x180 kernel/sched/core.c:6809 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f69280c2773 Code: 00 f3 a5 48 8d 74 24 88 48 b9 ff ff ff 7f fe ff ff ff 48 21 c8 48 89 44 24 88 41 ba 08 00 00 00 44 89 c7 b8 0e 00 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 06 41 89 c0 41 f7 d8 44 89 c0 5a c3 41 RSP: 002b:00007fff39fd7520 EFLAGS: 00000246 ORIG_RAX: 000000000000000e RAX: 0000000000000000 RBX: 0000000000060000 RCX: 00007f69280c2773 RDX: 00007fff39fd7608 RSI: 00007fff39fd7588 RDI: 0000000000000001 RBP: 000056294104d5e0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 000056293f314aa4 R13: 0000000000000021 R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: using smp_processor_id() in preemptible [00000000] code: sshd/298 caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 check_preemption_disabled+0x109/0x110 lib/smp_processor_id.c:49 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:721 kernel_text_address+0x83/0xe0 kernel/extable.c:113 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1745 [inline] slab_free_freelist_hook mm/slub.c:1771 [inline] slab_free mm/slub.c:3684 [inline] __kmem_cache_free+0x218/0x3b0 mm/slub.c:3697 kfree+0x7a/0xf0 mm/slab_common.c:1009 skb_free_head net/core/skbuff.c:762 [inline] skb_release_data+0x616/0x840 net/core/skbuff.c:791 skb_release_all net/core/skbuff.c:856 [inline] __kfree_skb+0x50/0x70 net/core/skbuff.c:870 tcp_wmem_free_skb include/net/tcp.h:305 [inline] tcp_rtx_queue_unlink_and_free+0x3d5/0x610 include/net/tcp.h:1959 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3347 [inline] tcp_ack+0x2437/0x6a30 net/ipv4/tcp_input.c:3906 tcp_rcv_established+0xe31/0x1c60 net/ipv4/tcp_input.c:5937 tcp_v4_do_rcv+0x430/0xa20 net/ipv4/tcp_ipv4.c:1677 sk_backlog_rcv include/net/sock.h:1129 [inline] __release_sock+0x145/0x410 net/core/sock.c:2940 release_sock+0x65/0x1b0 net/core/sock.c:3514 tcp_sendmsg+0x3a/0x50 net/ipv4/tcp.c:1487 inet_sendmsg+0xa1/0xc0 net/ipv4/af_inet.c:830 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] sock_write_iter+0x394/0x4e0 net/socket.c:1133 call_write_iter include/linux/fs.h:2258 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x902/0xeb0 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6928116bf2 Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007fff39fd7518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000006f0 RCX: 00007f6928116bf2 RDX: 00000000000006f0 RSI: 0000562941063930 RDI: 0000000000000004 RBP: 000056294104d290 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000056293f314aa4 R13: 0000000000000026 R14: 000056293f3153e8 R15: 00007fff39fd7588 BUG: using smp_processor_id() in preemptible [00000000] code: sshd/298 caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60 CPU: 0 PID: 298 Comm: sshd Tainted: G W 6.1.75-syzkaller-00022-g34a15d350726 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1b lib/dump_stack.c:113 check_preemption_disabled+0x109/0x110 lib/smp_processor_id.c:49 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:721 kernel_text_address+0x83/0xe0 kernel/extable.c:113 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1745 [inline] slab_free_freelist_hook mm/slub.c:1771 [inline] slab_free mm/slub.c:3684 [inline] __kmem_cache_free+0x218/0x3b0 mm/slub.c:3697 kfree+0x7a/0xf0 mm/slab_common.c:1009 skb_free_head net/core/skbuff.c:762 [inline] skb_release_data+0x616/0x840 net/core/skbuff.c:791 skb_release_all net/core/skbuff.c:856 [inline] __kfree_skb+0x50/0x70 net/core/skbuff.c:870 tcp_wmem_free_skb include/net/tcp.h:305 [inline] tcp_rtx_queue_unlink_and_free+0x3d5/0x610 include/net/tcp.h:1959 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3347 [inline] tcp_ack+0x2437/0x6a30 net/ipv4/tcp_input.c:3906 tcp_rcv_established+0x7e5/0x1c60 net/ipv4/tcp_input.c:6017 tcp_v4_do_rcv+0x430/0xa20 net/ipv4/tcp_ipv4.c:1677 sk_backlog_rcv include/net/sock.h:1129 [inline] __release_sock+0x145/0x410 net/core/sock.c:2940 release_sock+0x65/0x1b0 net/core/sock.c:3514 tcp_sendmsg+0x3a/0x50 net/ipv4/tcp.c:1487 inet_sendmsg+0xa1/0xc0 net/ipv4/af_inet.c:830 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] sock_write_iter+0x394/0x4e0 net/socket.c:1133 call_write_iter include/linux/fs.h:2258 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x902/0xeb0 fs/read_write.c:584 ksys_write+0x199/0x2c0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6928116bf2 Code: 89 c7 48 89 44 24 08 e8 7b 34 fa ff 48 8b 44 24 08 48 83 c4 28 c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 20 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 6f 48 8b 15 07 a2 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007fff39fd7518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000006f0 RCX: 00007f6928116bf2 RDX: 00000000000006f0 RSI: 0000562941063930 RDI: 0000000000000004 RBP: 000056294104d290 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000056293f314aa4 R13: 0000000000000026 R14: 000056293f3153e8 R15: 00007fff39fd7588