=============================
WARNING: suspicious RCU usage
4.17.0-rc2+ #24 Not tainted
-----------------------------
include/linux/rcupdate.h:304 Illegal context switch in RCU read-side critical section!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by jbd2/sda1-8/2273:
#0: (ptrval) (rcu_read_lock){....}, at: create_io_context block/blk.h:367 [inline]
#0: (ptrval) (rcu_read_lock){....}, at: generic_make_request_checks+0x705/0x2400 block/blk-core.c:2332
stack backtrace:
CPU: 0 PID: 2273 Comm: jbd2/sda1-8 Not tainted 4.17.0-rc2+ #24
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+0x1b9/0x294 lib/dump_stack.c:113
lockdep_rcu_suspicious+0x14a/0x153 kernel/locking/lockdep.c:4592
rcu_preempt_sleep_check include/linux/rcupdate.h:303 [inline]
___might_sleep+0x26d/0x320 kernel/sched/core.c:6153
__might_sleep+0x95/0x190 kernel/sched/core.c:6141
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc mm/slab.c:3378 [inline]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2b9/0x760 mm/slab.c:3727
kmalloc_array include/linux/slab.h:631 [inline]
kcalloc include/linux/slab.h:642 [inline]
numa_crng_init drivers/char/random.c:798 [inline]
crng_reseed+0x427/0x920 drivers/char/random.c:923
credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708
add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254
handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191
handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206
handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791
generic_handle_irq_desc include/linux/irqdesc.h:159 [inline]
handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77
do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245
common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642
RIP: 0010:percpu_counter_add_batch+0xf2/0x150 lib/percpu_counter.c:98
RSP: 0018:ffff8801cc566718 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffda
RAX: ffff8801cc55a2c0 RBX: 00000000000003d1 RCX: ffffffff836584fb
RDX: 0000000000000000 RSI: ffffffff83658562 RDI: 0000000000000006
RBP: ffff8801cc566758 R08: ffff8801cc55a2c0 R09: ffffed003b5c46c2
R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: ffff8801d0f1d678
R13: ffffffffc0000001 R14: ffff8801d0f1d6c8 R15: 000060fe24e38440
blkg_rwstat_add include/linux/blk-cgroup.h:604 [inline]
blkcg_bio_issue_check include/linux/blk-cgroup.h:711 [inline]
generic_make_request_checks+0x1332/0x2400 block/blk-core.c:2334
generic_make_request+0x166/0x1510 block/blk-core.c:2402
submit_bio+0xba/0x460 block/blk-core.c:2567
submit_bh_wbc+0x5e8/0x7c0 fs/buffer.c:3076
submit_bh+0x28/0x30 fs/buffer.c:3082
jbd2_journal_commit_transaction+0x24be/0x8c18 fs/jbd2/commit.c:710
kjournald2+0x26c/0xb30 fs/jbd2/journal.c:229
kthread+0x345/0x410 kernel/kthread.c:238
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412
BUG: sleeping function called from invalid context at mm/slab.h:421
in_atomic(): 1, irqs_disabled(): 1, pid: 2273, name: jbd2/sda1-8
1 lock held by jbd2/sda1-8/2273:
#0: (ptrval) (rcu_read_lock){....}, at: create_io_context block/blk.h:367 [inline]
#0: (ptrval) (rcu_read_lock){....}, at: generic_make_request_checks+0x705/0x2400 block/blk-core.c:2332
irq event stamp: 49092
hardirqs last enabled at (49091): [] slab_alloc mm/slab.c:3385 [inline]
hardirqs last enabled at (49091): [] kmem_cache_alloc+0x26f/0x760 mm/slab.c:3552
hardirqs last disabled at (49092): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625
softirqs last enabled at (49038): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311
softirqs last disabled at (49021): [] invoke_softirq kernel/softirq.c:365 [inline]
softirqs last disabled at (49021): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405
CPU: 0 PID: 2273 Comm: jbd2/sda1-8 Not tainted 4.17.0-rc2+ #24
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+0x1b9/0x294 lib/dump_stack.c:113
___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188
__might_sleep+0x95/0x190 kernel/sched/core.c:6141
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc mm/slab.c:3378 [inline]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2b9/0x760 mm/slab.c:3727
kmalloc_array include/linux/slab.h:631 [inline]
kcalloc include/linux/slab.h:642 [inline]
numa_crng_init drivers/char/random.c:798 [inline]
crng_reseed+0x427/0x920 drivers/char/random.c:923
credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708
add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254
handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191
handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206
handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791
generic_handle_irq_desc include/linux/irqdesc.h:159 [inline]
handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77
do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245
common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642
RIP: 0010:percpu_counter_add_batch+0xf2/0x150 lib/percpu_counter.c:98
RSP: 0018:ffff8801cc566718 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffda
RAX: ffff8801cc55a2c0 RBX: 00000000000003d1 RCX: ffffffff836584fb
RDX: 0000000000000000 RSI: ffffffff83658562 RDI: 0000000000000006
RBP: ffff8801cc566758 R08: ffff8801cc55a2c0 R09: ffffed003b5c46c2
R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: ffff8801d0f1d678
R13: ffffffffc0000001 R14: ffff8801d0f1d6c8 R15: 000060fe24e38440
blkg_rwstat_add include/linux/blk-cgroup.h:604 [inline]
blkcg_bio_issue_check include/linux/blk-cgroup.h:711 [inline]
generic_make_request_checks+0x1332/0x2400 block/blk-core.c:2334
generic_make_request+0x166/0x1510 block/blk-core.c:2402
submit_bio+0xba/0x460 block/blk-core.c:2567
submit_bh_wbc+0x5e8/0x7c0 fs/buffer.c:3076
submit_bh+0x28/0x30 fs/buffer.c:3082
jbd2_journal_commit_transaction+0x24be/0x8c18 fs/jbd2/commit.c:710
kjournald2+0x26c/0xb30 fs/jbd2/journal.c:229
kthread+0x345/0x410 kernel/kthread.c:238
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412
random: crng init done
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9374 Comm: syz-executor0 Tainted: G W 4.17.0-rc2+ #24
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+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node+0x33/0x70 mm/slab.c:3689
kmalloc_node include/linux/slab.h:554 [inline]
kvmalloc_node+0xbf/0x100 mm/util.c:421
kvmalloc include/linux/mm.h:550 [inline]
kvzalloc include/linux/mm.h:558 [inline]
alloc_netdev_mqs+0x173/0xfe0 net/core/dev.c:8421
br_add_bridge+0x34/0xf0 net/bridge/br_if.c:385
br_ioctl_deviceless_stub+0x99c/0xad0 net/bridge/br_ioctl.c:378
sock_ioctl+0x2d5/0x680 net/socket.c:1048
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007f19511e3c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f19511e46d4 RCX: 0000000000455979
RDX: 0000000020000000 RSI: 00000000000089a0 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000002ba R14: 00000000006f8210 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9421 Comm: syz-executor0 Tainted: G W 4.17.0-rc2+ #24
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+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc_trace+0x4b/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__hw_addr_create_ex+0xaa/0x3e0 net/core/dev_addr_lists.c:34
__hw_addr_add_ex+0x1ef/0x2b0 net/core/dev_addr_lists.c:80
__hw_addr_add net/core/dev_addr_lists.c:88 [inline]
dev_addr_init+0x169/0x260 net/core/dev_addr_lists.c:371
alloc_netdev_mqs+0x213/0xfe0 net/core/dev.c:8432
br_add_bridge+0x34/0xf0 net/bridge/br_if.c:385
br_ioctl_deviceless_stub+0x99c/0xad0 net/bridge/br_ioctl.c:378
sock_ioctl+0x2d5/0x680 net/socket.c:1048
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007f19511e3c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f19511e46d4 RCX: 0000000000455979
RDX: 0000000020000000 RSI: 00000000000089a0 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000002ba R14: 00000000006f8210 R15: 0000000000000001
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9460 Comm: syz-executor0 Tainted: G W 4.17.0-rc2+ #24
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+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node+0x33/0x70 mm/slab.c:3689
kmalloc_node include/linux/slab.h:554 [inline]
kvmalloc_node+0x6b/0x100 mm/util.c:421
kvmalloc include/linux/mm.h:550 [inline]
kvzalloc include/linux/mm.h:558 [inline]
netif_alloc_netdev_queues net/core/dev.c:7879 [inline]
alloc_netdev_mqs+0x852/0xfe0 net/core/dev.c:8464
br_add_bridge+0x34/0xf0 net/bridge/br_if.c:385
br_ioctl_deviceless_stub+0x99c/0xad0 net/bridge/br_ioctl.c:378
sock_ioctl+0x2d5/0x680 net/socket.c:1048
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007f19511e3c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f19511e46d4 RCX: 0000000000455979
RDX: 0000000020000000 RSI: 00000000000089a0 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000002ba R14: 00000000006f8210 R15: 0000000000000002
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9517 Comm: syz-executor0 Tainted: G W 4.17.0-rc2+ #24
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+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node+0x33/0x70 mm/slab.c:3689
kmalloc_node include/linux/slab.h:554 [inline]
kvmalloc_node+0x6b/0x100 mm/util.c:421
kvmalloc include/linux/mm.h:550 [inline]
kvzalloc include/linux/mm.h:558 [inline]
netif_alloc_rx_queues net/core/dev.c:7812 [inline]
alloc_netdev_mqs+0xa14/0xfe0 net/core/dev.c:8469
br_add_bridge+0x34/0xf0 net/bridge/br_if.c:385
br_ioctl_deviceless_stub+0x99c/0xad0 net/bridge/br_ioctl.c:378
sock_ioctl+0x2d5/0x680 net/socket.c:1048
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
__do_sys_ioctl fs/ioctl.c:708 [inline]
__se_sys_ioctl fs/ioctl.c:706 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007f19511e3c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f19511e46d4 RCX: 0000000000455979
RDX: 0000000020000000 RSI: 00000000000089a0 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000002ba R14: 00000000006f8210 R15: 0000000000000003