INFO: task systemd-udevd:26419 blocked for more than 143 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:27192 pid:26419 ppid: 2971 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
sock_do_ioctl+0x15a/0x230 net/socket.c:1132
sock_ioctl+0x2f1/0x640 net/socket.c:1235
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7feefc191017
RSP: 002b:00007ffc21c582c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc21c58310 RCX: 00007feefc191017
RDX: 00007ffc21c582e0 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffc21c58480 R08: 0000000000000000 R09: 0000000000000048
R10: 0000000000000001 R11: 0000000000000246 R12: 00005589ed373cf0
R13: 00007ffc21c582e0 R14: 0000000000000001 R15: 0000000000000000
INFO: task systemd-udevd:26731 blocked for more than 143 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:27928 pid:26731 ppid: 2971 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
sock_do_ioctl+0x15a/0x230 net/socket.c:1132
sock_ioctl+0x2f1/0x640 net/socket.c:1235
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7feefc191017
RSP: 002b:00007ffc21c582c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc21c58310 RCX: 00007feefc191017
RDX: 00007ffc21c582e0 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffc21c58480 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00005589ed373cf0
R13: 00007ffc21c582e0 R14: 0000000000000001 R15: 0000000000000000
INFO: task systemd-udevd:26826 blocked for more than 143 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:28136 pid:26826 ppid: 2971 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
sock_do_ioctl+0x15a/0x230 net/socket.c:1132
sock_ioctl+0x2f1/0x640 net/socket.c:1235
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7feefc191017
RSP: 002b:00007ffc21c588b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc21c58900 RCX: 00007feefc191017
RDX: 00007ffc21c588d0 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffc21c58a70 R08: 0000000000000000 R09: 0000000000000060
R10: 0000000000000001 R11: 0000000000000246 R12: 00005589ed373cf0
R13: 00007ffc21c588d0 R14: 0000000000000001 R15: 0000000000000000
INFO: task systemd-udevd:26828 blocked for more than 143 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:28136 pid:26828 ppid: 2971 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
sock_do_ioctl+0x15a/0x230 net/socket.c:1132
sock_ioctl+0x2f1/0x640 net/socket.c:1235
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7feefc191017
RSP: 002b:00007ffc21c588b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffc21c58900 RCX: 00007feefc191017
RDX: 00007ffc21c588d0 RSI: 0000000000008946 RDI: 0000000000000007
RBP: 00007ffc21c58a70 R08: 0000000000000000 R09: 0000000000000018
R10: 0000000000000001 R11: 0000000000000246 R12: 00005589ed373cf0
R13: 00007ffc21c588d0 R14: 0000000000000001 R15: 0000000000000000
INFO: task syz-executor.3:26833 can't die for more than 144 seconds.
task:syz-executor.3 state:D stack:26520 pid:26833 ppid: 6553 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
ethnl_default_dumpit+0xb2/0xeb0 net/ethtool/netlink.c:469
netlink_dump+0x4b0/0xb60 net/netlink/af_netlink.c:2265
__netlink_dump_start+0x642/0x900 net/netlink/af_netlink.c:2370
genl_family_rcv_msg_dumpit+0x1c9/0x310 net/netlink/genetlink.c:689
genl_family_rcv_msg net/netlink/genetlink.c:772 [inline]
genl_rcv_msg+0x434/0x580 net/netlink/genetlink.c:792
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f1a05b72a39
RSP: 002b:00007f1a030e8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1a05c75f60 RCX: 00007f1a05b72a39
RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003
RBP: 00007f1a05bccc5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff56bb013f R14: 00007f1a030e8300 R15: 0000000000022000
INFO: task syz-executor.3:26833 blocked for more than 144 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26520 pid:26833 ppid: 6553 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
ethnl_default_dumpit+0xb2/0xeb0 net/ethtool/netlink.c:469
netlink_dump+0x4b0/0xb60 net/netlink/af_netlink.c:2265
__netlink_dump_start+0x642/0x900 net/netlink/af_netlink.c:2370
genl_family_rcv_msg_dumpit+0x1c9/0x310 net/netlink/genetlink.c:689
genl_family_rcv_msg net/netlink/genetlink.c:772 [inline]
genl_rcv_msg+0x434/0x580 net/netlink/genetlink.c:792
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
___sys_sendmsg+0xf3/0x170 net/socket.c:2463
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f1a05b72a39
RSP: 002b:00007f1a030e8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1a05c75f60 RCX: 00007f1a05b72a39
RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000000000003
RBP: 00007f1a05bccc5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff56bb013f R14: 00007f1a030e8300 R15: 0000000000022000
INFO: task syz-executor.0:26838 blocked for more than 145 seconds.
Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27328 pid:26838 ppid: 1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4965 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6246
schedule+0xd2/0x260 kernel/sched/core.c:6319
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6378
__mutex_lock_common kernel/locking/mutex.c:672 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:732
rtnl_lock net/core/rtnetlink.c:72 [inline]
rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2491
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x86d/0xda0 net/netlink/af_netlink.c:1916
sock_sendmsg_nosec net/socket.c:704 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:724
__sys_sendto+0x21c/0x320 net/socket.c:2036
__do_sys_sendto net/socket.c:2048 [inline]
__se_sys_sendto net/socket.c:2044 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2044
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f636d0ae7fc
RSP: 002b:00007ffce734a370 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f636e137320 RCX: 00007f636d0ae7fc
RDX: 0000000000000028 RSI: 00007f636e137370 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffce734a3c4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f636e137370 R14: 0000000000000003 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb835a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by systemd-journal/2968:
1 lock held by in:imklog/6227:
2 locks held by agetty/6348:
#0: ffff88801abbc098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:252
#1: ffffc90001ced2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2113
3 locks held by kworker/u4:12/18243:
#0: ffff8880b9c39a98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
#1: ffff8880b9c279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x173/0x490 kernel/sched/psi.c:871
#2: ffff8880b9c28298 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x5a/0x1f0 kernel/time/timer.c:946
4 locks held by kworker/u4:15/18253:
#0: ffff888011a43138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011a43138 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011a43138 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff888011a43138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff888011a43138 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff888011a43138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc9000c78fdb0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffffffff8d2e9390 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xb00 net/core/net_namespace.c:555
#3: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock_unregistering net/core/dev.c:11547 [inline]
#3: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0xe8/0x3c0 net/core/dev.c:11585
1 lock held by systemd-udevd/26419:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
3 locks held by kworker/0:12/26498:
#0: ffff8880221c9d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff8880221c9d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff8880221c9d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline]
#0: ffff8880221c9d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline]
#0: ffff8880221c9d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline]
#0: ffff8880221c9d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x896/0x1690 kernel/workqueue.c:2268
#1: ffffc9000465fdb0 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x8ca/0x1690 kernel/workqueue.c:2272
#2: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4590
1 lock held by systemd-udevd/26731:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
1 lock held by systemd-udevd/26826:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
1 lock held by systemd-udevd/26828:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: dev_ioctl+0x470/0xee0 net/core/dev_ioctl.c:521
3 locks held by syz-executor.3/26833:
#0: ffffffff8d38f050 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802
#1: ffff88802d7d9678 (nlk_cb_mutex-GENERIC){+.+.}-{3:3}, at: netlink_dump+0xb0/0xb60 net/netlink/af_netlink.c:2220
#2: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: ethnl_default_dumpit+0xb2/0xeb0 net/ethtool/netlink.c:469
1 lock held by syz-executor.0/26838:
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: ffffffff8d2fcb68 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3be/0xb80 net/core/rtnetlink.c:5569
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:254 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:339
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19866 Comm: kworker/0:6 Not tainted 5.15.0-rc6-next-20211020-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nsim_dev_trap_report_work
RIP: 0010:check_region_inline mm/kasan/generic.c:170 [inline]
RIP: 0010:kasan_check_range+0x12c/0x180 mm/kasan/generic.c:189
Code: 00 74 ef 49 8d 04 2c 48 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a 5b 01 00 00 00 5d 41 5c c3 44 89 c2 e8 53 ef ff ff 5b 83 f0 01 5d
RSP: 0018:ffffc90002a9f900 EFLAGS: 00000046
RAX: fffffbfff1fe8d5d RBX: 1ffff92000553f2a RCX: ffffffff815c19cf
RDX: fffffbfff1fe8d5d RSI: 0000000000000008 RDI: ffffffff8ff46ae0
RBP: fffffbfff1fe8d5c R08: 0000000000000000 R09: ffffffff8ff46ae7
R10: fffffbfff1fe8d5c R11: 0000000000088089 R12: 0000000000000002
R13: ffff88802b30c490 R14: 000000000000070b R15: ffff88802b30c4b0
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80c7881000 CR3: 000000001ead0000 CR4: 00000000003506f0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
hlock_class kernel/locking/lockdep.c:199 [inline]
mark_lock+0xef/0x17b0 kernel/locking/lockdep.c:4583
mark_held_locks+0x9f/0xe0 kernel/locking/lockdep.c:4206
__trace_hardirqs_on_caller kernel/locking/lockdep.c:4224 [inline]
lockdep_hardirqs_on_prepare kernel/locking/lockdep.c:4292 [inline]
lockdep_hardirqs_on_prepare+0x135/0x400 kernel/locking/lockdep.c:4244
trace_hardirqs_on+0x5b/0x1c0 kernel/trace/trace_preemptirq.c:49
kasan_quarantine_put+0xf5/0x210 mm/kasan/quarantine.c:220
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:1700 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1726
slab_free mm/slub.c:3491 [inline]
kfree+0xf6/0x560 mm/slub.c:4539
skb_free_head net/core/skbuff.c:653 [inline]
skb_release_data+0x65a/0x790 net/core/skbuff.c:675
skb_release_all net/core/skbuff.c:740 [inline]
__kfree_skb net/core/skbuff.c:754 [inline]
consume_skb net/core/skbuff.c:910 [inline]
consume_skb+0xc2/0x160 net/core/skbuff.c:904
nsim_dev_trap_report drivers/net/netdevsim/dev.c:737 [inline]
nsim_dev_trap_report_work+0x85d/0xbc0 drivers/net/netdevsim/dev.c:762
process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297
worker_thread+0x658/0x11f0 kernel/workqueue.c:2444
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 00 74 ef 49 add %dh,0x49(%rdi,%rbp,8)
4: 8d 04 2c lea (%rsp,%rbp,1),%eax
7: 48 85 d2 test %rdx,%rdx
a: 75 0b jne 0x17
c: 48 89 da mov %rbx,%rdx
f: 48 29 c2 sub %rax,%rdx
12: e9 55 ff ff ff jmpq 0xffffff6c
17: 49 39 d2 cmp %rdx,%r10
1a: 75 17 jne 0x33
1c: 49 0f be 02 movsbq (%r10),%rax
20: 41 83 e1 07 and $0x7,%r9d
24: 49 39 c1 cmp %rax,%r9
27: 7d 0a jge 0x33
29: 5b pop %rbx
* 2a: b8 01 00 00 00 mov $0x1,%eax <-- trapping instruction
2f: 5d pop %rbp
30: 41 5c pop %r12
32: c3 retq
33: 44 89 c2 mov %r8d,%edx
36: e8 53 ef ff ff callq 0xffffef8e
3b: 5b pop %rbx
3c: 83 f0 01 xor $0x1,%eax
3f: 5d pop %rbp