bisecting cause commit starting from 6fa9a115fe7ca507ef5618eb753706425741b285
building syzkaller on 36650b4b2c942bc382314dce384d311fbadd1208
testing commit 6fa9a115fe7ca507ef5618eb753706425741b285 with gcc (GCC) 8.1.0
kernel signature: fcf2d2ded5376876e0fa4d1aedf688c0ebd4f254
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in br_handle_frame
run #2: crashed: INFO: rcu detected stall in netlink_sendmsg
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0
kernel signature: fea1f4f6d021e68346de2d508415f8f8c09e3d36
all runs: crashed: INFO: rcu detected stall in br_handle_frame
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0
kernel signature: 9e3947d652a955c7b6f9e303999d0bee79a5314d
all runs: crashed: INFO: rcu detected stall in br_handle_frame
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0
kernel signature: fecf4680809d294e73ce4eea1d736365c5e3ef57
all runs: crashed: INFO: rcu detected stall in br_handle_frame
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0
kernel signature: 40ee5d0a5197011beafafd067d5a99d04ce0fa94
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in br_handle_frame
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in addrconf_dad_work
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in addrconf_dad_work
run #7: crashed: INFO: rcu detected stall in addrconf_dad_work
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v5.0
testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0
kernel signature: 35c6cc7df8950614e585ea5e95b31f66db9aee02
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in br_handle_frame
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in addrconf_dad_work
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in netlink_sendmsg
testing release v4.20
testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0
kernel signature: ad662e666f229e751b04e047c774366124428021
run #0: crashed: INFO: rcu detected stall in addrconf_dad_work
run #1: crashed: INFO: rcu detected stall in addrconf_dad_work
run #2: crashed: INFO: rcu detected stall in addrconf_dad_work
run #3: crashed: INFO: rcu detected stall in addrconf_dad_work
run #4: crashed: INFO: rcu detected stall in addrconf_dad_work
run #5: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #6: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #7: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #8: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #9: crashed: INFO: rcu detected stall in sys_open
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0
kernel signature: 6300217b27884aed8d6d1c7e0e857b692b6190b9
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in br_handle_frame
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in addrconf_dad_work
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in addrconf_rs_timer
testing release v4.18
testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0
kernel signature: 72a14fb58ea7110649d757fc6f5632d9d67f11ef
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
testing release v4.17
testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0
kernel signature: 5f649a8a26e70f9356d781600ad87874a889ee55
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in addrconf_dad_work
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in addrconf_dad_work
testing release v4.16
testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0
kernel signature: e7fe3f1b31dbd736786b165fd44ec8f4b298c74b
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0
kernel signature: 9469946c03044ef302ddbdbff751ce26cebfebcb
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in addrconf_rs_timer
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in addrconf_dad_work
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0
kernel signature: fe7e0b7fec82028c563a7e5c3cf311500aa78800
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in br_handle_frame
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0
kernel signature: 25b0d501fff36f546633703c5a84654f8e2c455c
run #0: crashed: INFO: rcu detected stall in netlink_sendmsg
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in addrconf_dad_work
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0
kernel signature: 4ebd0c7443c50b58c6517f41342f04408ab4e41f
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in addrconf_dad_work
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0
kernel signature: 036a4e2b948967fff5b05b1499d13ae45225e8a2
run #0: crashed: INFO: rcu detected stall in netlink_sendmsg
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in corrupted
testing release v4.10
testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0
kernel signature: 2f52f41d0c0ba0007d657bec7dc0d074ac92e51c
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in corrupted
testing release v4.9
testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0
kernel signature: b1f7fba4a6de386971d900914886aba780a37d2c
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.8
testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0
kernel signature: 6d495f1a6b4c503d87ad76be0d0c2dfc67680234
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in br_handle_frame
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.7
testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0
kernel signature: 5ff0489d45344b14a70eaceae4dadab99a0a8276
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in br_handle_frame
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in br_handle_frame
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in br_handle_frame
testing release v4.6
testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0
kernel signature: 7a05c77c79c30648793a847ec43c712abbffe060
run #0: crashed: INFO: rcu detected stall in br_handle_frame
run #1: crashed: INFO: rcu detected stall in br_handle_frame
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in br_handle_frame
run #4: crashed: INFO: rcu detected stall in br_handle_frame
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in br_handle_frame
run #8: crashed: INFO: rcu detected stall in br_handle_frame
run #9: crashed: INFO: rcu detected stall in corrupted
revisions tested: 21, total time: 3h35m2.69463502s (build: 1h44m16.187801297s, test: 1h48m0.993466502s)
the crash already happened on the oldest tested release
commit msg: Linux 4.6
crash: INFO: rcu detected stall in corrupted
sch_fq: defrate 0 ignored.
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
sch_fq: defrate 0 ignored.
INFO: rcu_preempt self-detected stall on CPU
	1-...: (1 GPs behind) idle=fab/140000000000002/0 softirq=11292/11297 fqs=1 
	 (t=10501 jiffies g=2147 c=2146 q=91)
rcu_preempt kthread starved for 10500 jiffies! g2147 c2146 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
INFO: rcu_preempt detected stalls on CPUs/tasks:
	1-...: (1 GPs behind) idle=fab/140000000000002/0 softirq=11292/11297 fqs=1 
	(detected by 0, t=10502 jiffies, g=2147, c=2146, q=91)
Task dump for CPU 1:
blkid           R  running task    28944  8354   6691 0x00000008
 0000000000000000 ffff8800af0afd30 ffffffff816d64a1 0000000000000000
 00000007ffb8a8c9 0000000000000000 0000000000000000 ffff8800af0afce8
 ffff88012953b220 0000000000000001 00000007ffb8a8c9 0000000000000001
Call Trace:
rcu_preempt kthread starved for 10501 jiffies! g2147 c2146 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
rcu_preempt     S ffff88012b0a7ac8 29392     7      2 0x00000000
 ffff88012b0a7ac8 ffff88012c020400 ffff88012c020d90 ffff88012c020d68
 ffff88012c020418 ffff88012b098188 1ffff10000000000 ffff88012b09a1c0
 ffff88012b098180 ffff88012b0a0000 ffffed0025614001 ffff88012b0a0008
Call Trace:
 [<ffffffff85b5b35a>] schedule+0x9a/0x1c0 kernel/sched/core.c:3250
 [<ffffffff85b67c85>] schedule_timeout+0x2e5/0x670 kernel/time/timer.c:1531
 [<ffffffff8148e182>] rcu_gp_kthread+0xee2/0x1f70 kernel/rcu/tree.c:2126
 [<ffffffff813a3a09>] kthread+0x209/0x2d0 kernel/kthread.c:209
 [<ffffffff85b6a152>] ret_from_fork+0x22/0x50 arch/x86/entry/entry_64.S:392
INFO: rcu_sched detected stalls on CPUs/tasks:
	1-...: (10500 ticks this GP) idle=fab/140000000000002/0 softirq=11293/11297 fqs=1 
	(detected by 0, t=10502 jiffies, g=168, c=167, q=1)
Task dump for CPU 1:
blkid           R  running task    28944  8354   6691 0x00000008
 0000000000000000 ffff8800af0afd30 ffffffff816d64a1 0000000000000000
 00000007ffb8a8c9 0000000000000000 0000000000000000 ffff8800af0afce8
 ffff88012953b220 0000000000000001 00000007ffb8a8c9 0000000000000001
Call Trace:
rcu_sched kthread starved for 10501 jiffies! g168 c167 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
rcu_sched       S ffff88012b0afac8 29392     8      2 0x00000000
 ffff88012b0afac8 ffff88012c020400 ffff88012c020d90 ffff88012c020d68
 ffff88012c020418 ffff88012b09a1c8 1ffff10000000000 ffff88012b022080
 ffff88012b09a1c0 ffff88012b0a8000 ffffed0025615001 ffff88012b0a8008
Call Trace:
 [<ffffffff85b5b35a>] schedule+0x9a/0x1c0 kernel/sched/core.c:3250
 [<ffffffff85b67c85>] schedule_timeout+0x2e5/0x670 kernel/time/timer.c:1531
 [<ffffffff8148e182>] rcu_gp_kthread+0xee2/0x1f70 kernel/rcu/tree.c:2126
 [<ffffffff813a3a09>] kthread+0x209/0x2d0 kernel/kthread.c:209
 [<ffffffff85b6a152>] ret_from_fork+0x22/0x50 arch/x86/entry/entry_64.S:392
rcu_preempt     R  running task    29392     7      2 0x00000000
 ffff88012b0a7ac8 ffff88012c020400 ffff88012c020d90 ffff88012c020d68
 ffff88012c020418 ffff88012b098188 1ffff10000000000 ffff88012b09a1c0
 ffff88012b098180 ffff88012b0a0000 ffffed0025614001 ffff88012b0a0008
Call Trace:
 [<ffffffff85b5b35a>] schedule+0x9a/0x1c0 kernel/sched/core.c:3250
 [<ffffffff85b67c85>] schedule_timeout+0x2e5/0x670 kernel/time/timer.c:1531
 [<ffffffff8148e182>] rcu_gp_kthread+0xee2/0x1f70 kernel/rcu/tree.c:2126
 [<ffffffff813a3a09>] kthread+0x209/0x2d0 kernel/kthread.c:209
 [<ffffffff85b6a152>] ret_from_fork+0x22/0x50 arch/x86/entry/entry_64.S:392
Task dump for CPU 1:
blkid           R  running task    28944  8354   6691 0x00000008
 0000000000001a23 ffff88012c107180 ffffffff813d414c ffffffff81615a00
 0000000041b58ab3 ffffffff868f20bf ffffffff813d3ec0 ffff88012c107140
 ffffffff81483dd4 0000000000000000 ffffffff00000000 ffffffff813d3ec0
Call Trace:
 <IRQ>  [<ffffffff813d414c>] sched_show_task+0x28c/0x400 kernel/sched/core.c:4976
 [<ffffffff813dc121>] dump_cpu_task+0x71/0x90 kernel/sched/core.c:8469
 [<ffffffff81483ee1>] rcu_dump_cpu_stacks+0x191/0x290 kernel/rcu/tree.c:1246
 [<ffffffff814915a1>] print_cpu_stall kernel/rcu/tree.c:1353 [inline]
 [<ffffffff814915a1>] check_cpu_stall kernel/rcu/tree.c:1417 [inline]
 [<ffffffff814915a1>] __rcu_pending kernel/rcu/tree.c:3883 [inline]
 [<ffffffff814915a1>] rcu_pending kernel/rcu/tree.c:3947 [inline]
 [<ffffffff814915a1>] rcu_check_callbacks+0xde1/0x2010 kernel/rcu/tree.c:2772
 [<ffffffff814a3be4>] update_process_times+0x34/0x60 kernel/time/timer.c:1420
 [<ffffffff814cc4d4>] tick_sched_handle.isra.19+0x44/0xe0 kernel/time/tick-sched.c:151
 [<ffffffff814ccc14>] tick_sched_timer+0x64/0xd0 kernel/time/tick-sched.c:1178
 [<ffffffff814a58d4>] __run_hrtimer kernel/time/hrtimer.c:1242 [inline]
 [<ffffffff814a58d4>] __hrtimer_run_queues+0x2d4/0xbf0 kernel/time/hrtimer.c:1306
 [<ffffffff814a7d3d>] hrtimer_interrupt+0x19d/0x470 kernel/time/hrtimer.c:1340
 [<ffffffff812409de>] local_apic_timer_interrupt+0x6e/0xf0 arch/x86/kernel/apic/apic.c:907
 [<ffffffff85b6c836>] smp_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:931
 [<ffffffff85b6ab7c>] apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:621
 [<ffffffff849f7d7e>] dequeue_skb net/sched/sch_generic.c:103 [inline]
 [<ffffffff849f7d7e>] qdisc_restart net/sched/sch_generic.c:223 [inline]
 [<ffffffff849f7d7e>] __qdisc_run+0x15e/0x760 net/sched/sch_generic.c:239
 [<ffffffff8494cebe>] __dev_xmit_skb net/core/dev.c:3073 [inline]
 [<ffffffff8494cebe>] __dev_queue_xmit+0xa0e/0x1f40 net/core/dev.c:3326
 [<ffffffff8494e3fb>] dev_queue_xmit+0xb/0x10 net/core/dev.c:3392
 [<ffffffff84ff5520>] neigh_hh_output include/net/neighbour.h:468 [inline]
 [<ffffffff84ff5520>] dst_neigh_output include/net/dst.h:465 [inline]
 [<ffffffff84ff5520>] ip6_finish_output2+0xf20/0x1b90 net/ipv6/ip6_output.c:113
 [<ffffffff84ffe8a3>] ip6_finish_output+0x353/0x700 net/ipv6/ip6_output.c:131
 [<ffffffff84ffedb7>] NF_HOOK_COND include/linux/netfilter.h:233 [inline]
 [<ffffffff84ffedb7>] ip6_output+0x167/0x530 net/ipv6/ip6_output.c:145
 [<ffffffff85052df9>] dst_output include/net/dst.h:504 [inline]
 [<ffffffff85052df9>] NF_HOOK_THRESH.constprop.24+0xc9/0x290 include/linux/netfilter.h:219
 [<ffffffff85053944>] NF_HOOK include/linux/netfilter.h:242 [inline]
 [<ffffffff85053944>] ndisc_send_skb+0x7a4/0x1010 net/ipv6/ndisc.c:471
 [<ffffffff850581c6>] ndisc_send_rs+0x116/0x3d0 net/ipv6/ndisc.c:646
 [<ffffffff8501d2ea>] addrconf_rs_timer+0x28a/0x410 net/ipv6/addrconf.c:3622
 [<ffffffff814a053e>] call_timer_fn+0x14e/0x620 kernel/time/timer.c:1178
 [<ffffffff814a1007>] __run_timers kernel/time/timer.c:1254 [inline]
 [<ffffffff814a1007>] run_timer_softirq+0x5f7/0x9c0 kernel/time/timer.c:1437
 [<ffffffff85b6d0ac>] __do_softirq+0x2cc/0xa06 kernel/softirq.c:273
 [<ffffffff81355107>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff81355107>] irq_exit+0x157/0x190 kernel/softirq.c:391
 [<ffffffff85b6c83b>] exiting_irq arch/x86/include/asm/apic.h:658 [inline]
 [<ffffffff85b6c83b>] smp_apic_timer_interrupt+0x7b/0xa0 arch/x86/kernel/apic/apic.c:932
 [<ffffffff85b6ab7c>] apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:621
 <EOI>  [<ffffffff817ed540>] ? atime_needs_update+0x4e0/0x4e0 include/linux/time.h:16
 [<ffffffff8139f131>] __kernel_text_address+0x61/0xa0 kernel/extable.c:103
 [<ffffffff811e569b>] print_context_stack+0x7b/0xc0 arch/x86/kernel/dumpstack.c:107
 [<ffffffff811e49bd>] dump_trace+0x11d/0x320 arch/x86/kernel/dumpstack_64.c:243
 [<ffffffff81205056>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:67
 [<ffffffff8173f3e6>] save_stack+0x46/0xd0 mm/kasan/kasan.c:450
 [<ffffffff8173f7a9>] set_track mm/kasan/kasan.c:462 [inline]
 [<ffffffff8173f7a9>] kasan_kmalloc+0xc9/0xe0 mm/kasan/kasan.c:532
 [<ffffffff8173fbe2>] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:482
 [<ffffffff8173c197>] slab_post_alloc_hook mm/slab.h:408 [inline]
 [<ffffffff8173c197>] slab_alloc mm/slab.c:3232 [inline]
 [<ffffffff8173c197>] kmem_cache_alloc+0x127/0x6c0 mm/slab.c:3379
 [<ffffffff816d64a1>] kmem_cache_zalloc include/linux/slab.h:612 [inline]
 [<ffffffff816d64a1>] mmap_region+0x571/0xf10 mm/mmap.c:1478
 [<ffffffff816d767a>] do_mmap+0x83a/0xbc0 mm/mmap.c:1289
 [<ffffffff816809f8>] do_mmap_pgoff include/linux/mm.h:2017 [inline]
 [<ffffffff816809f8>] vm_mmap_pgoff+0x138/0x190 mm/util.c:301
 [<ffffffff816d0650>] SYSC_mmap_pgoff mm/mmap.c:1339 [inline]
 [<ffffffff816d0650>] SyS_mmap_pgoff+0x1c0/0x6c0 mm/mmap.c:1297
 [<ffffffff811ea5a6>] SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline]
 [<ffffffff811ea5a6>] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86
 [<ffffffff85b69f00>] entry_SYSCALL_64_fastpath+0x23/0xc1