=============================
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
5 locks held by syz-executor2/4561:
#0: (ptrval) (sb_writers#4){.+.+}, at: sb_start_write include/linux/fs.h:1550 [inline]
#0: (ptrval) (sb_writers#4){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:386
#1: (ptrval) (&type->i_mutex_dir_key/1){+.+.}, at: inode_lock_nested include/linux/fs.h:748 [inline]
#1: (ptrval) (&type->i_mutex_dir_key/1){+.+.}, at: do_unlinkat+0x3c4/0xa10 fs/namei.c:4019
#2: (ptrval) (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:713 [inline]
#2: (ptrval) (&sb->s_type->i_mutex_key#10){+.+.}, at: vfs_unlink+0xd1/0x510 fs/namei.c:3961
#3: (ptrval) (jbd2_handle){++++}, at: start_this_handle+0x581/0x1250 fs/jbd2/transaction.c:385
#4: (ptrval) (rcu_read_lock){....}, at: __list_add include/linux/list.h:64 [inline]
#4: (ptrval) (rcu_read_lock){....}, at: list_add include/linux/list.h:79 [inline]
#4: (ptrval) (rcu_read_lock){....}, at: jbd2_write_access_granted.part.8+0x0/0x420 fs/jbd2/transaction.c:2544
stack backtrace:
CPU: 0 PID: 4561 Comm: syz-executor2 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:783 [inline]
RIP: 0010:lock_acquire+0x257/0x520 kernel/locking/lockdep.c:3923
RSP: 0018:ffff88019ef5f5d0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffda
RAX: dffffc0000000000 RBX: 1ffff10033debebf RCX: 0000000000000000
RDX: 1ffffffff11a315d RSI: ffff8801ae382f78 RDI: 0000000000000286
RBP: ffff88019ef5f6c0 R08: 0000000000000008 R09: 0000000000000004
R10: ffff8801ae383018 R11: ffff8801ae382740 R12: ffff8801ae382740
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:246 [inline]
rcu_read_lock include/linux/rcupdate.h:632 [inline]
jbd2_write_access_granted.part.8+0x9a/0x420 fs/jbd2/transaction.c:1039
jbd2_write_access_granted fs/jbd2/transaction.c:1096 [inline]
jbd2_journal_get_write_access+0x91/0xc0 fs/jbd2/transaction.c:1086
__ext4_journal_get_write_access+0x5e/0xa0 fs/ext4/ext4_jbd2.c:169
ext4_reserve_inode_write+0x191/0x260 fs/ext4/inode.c:5763
ext4_orphan_add+0x398/0xda0 fs/ext4/namei.c:2781
ext4_unlink+0xf2f/0x11e0 fs/ext4/namei.c:3041
vfs_unlink+0x2db/0x510 fs/namei.c:3970
do_unlinkat+0x6b8/0xa10 fs/namei.c:4033
__do_sys_unlink fs/namei.c:4080 [inline]
__se_sys_unlink fs/namei.c:4078 [inline]
__x64_sys_unlink+0x42/0x50 fs/namei.c:4078
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4556c7
RSP: 002b:00007ffe4860f718 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004556c7
RDX: 00000000015cf9d3 RSI: 00007ffe4860f7b0 RDI: 00007ffe4860f7b0
RBP: 00007ffe486114c0 R08: 0000000000000000 R09: 0000000000000010
R10: 000000000000000a R11: 0000000000000206 R12: 00000000015cf940
R13: 0000000000000000 R14: 000000000000017a R15: 000000000001c166
BUG: sleeping function called from invalid context at mm/slab.h:421
in_atomic(): 1, irqs_disabled(): 1, pid: 4561, name: syz-executor2
5 locks held by syz-executor2/4561:
#0: (ptrval) (sb_writers#4){.+.+}, at: sb_start_write include/linux/fs.h:1550 [inline]
#0: (ptrval) (sb_writers#4){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:386
#1: (ptrval) (&type->i_mutex_dir_key/1){+.+.}, at: inode_lock_nested include/linux/fs.h:748 [inline]
#1: (ptrval) (&type->i_mutex_dir_key/1){+.+.}, at: do_unlinkat+0x3c4/0xa10 fs/namei.c:4019
#2: (ptrval) (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_lock include/linux/fs.h:713 [inline]
#2: (ptrval) (&sb->s_type->i_mutex_key#10){+.+.}, at: vfs_unlink+0xd1/0x510 fs/namei.c:3961
#3: (ptrval) (jbd2_handle){++++}, at: start_this_handle+0x581/0x1250 fs/jbd2/transaction.c:385
#4: (ptrval) (rcu_read_lock){....}, at: __list_add include/linux/list.h:64 [inline]
#4: (ptrval) (rcu_read_lock){....}, at: list_add include/linux/list.h:79 [inline]
#4: (ptrval) (rcu_read_lock){....}, at: jbd2_write_access_granted.part.8+0x0/0x420 fs/jbd2/transaction.c:2544
irq event stamp: 820128
hardirqs last enabled at (820127): [] lookup_bh_lru fs/buffer.c:1271 [inline]
hardirqs last enabled at (820127): [] __find_get_block+0x2b8/0xe50 fs/buffer.c:1283
hardirqs last disabled at (820128): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625
softirqs last enabled at (820110): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311
softirqs last disabled at (820041): [] invoke_softirq kernel/softirq.c:365 [inline]
softirqs last disabled at (820041): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405
CPU: 0 PID: 4561 Comm: syz-executor2 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:783 [inline]
RIP: 0010:lock_acquire+0x257/0x520 kernel/locking/lockdep.c:3923
RSP: 0018:ffff88019ef5f5d0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffda
RAX: dffffc0000000000 RBX: 1ffff10033debebf RCX: 0000000000000000
RDX: 1ffffffff11a315d RSI: ffff8801ae382f78 RDI: 0000000000000286
RBP: ffff88019ef5f6c0 R08: 0000000000000008 R09: 0000000000000004
R10: ffff8801ae383018 R11: ffff8801ae382740 R12: ffff8801ae382740
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:246 [inline]
rcu_read_lock include/linux/rcupdate.h:632 [inline]
jbd2_write_access_granted.part.8+0x9a/0x420 fs/jbd2/transaction.c:1039
jbd2_write_access_granted fs/jbd2/transaction.c:1096 [inline]
jbd2_journal_get_write_access+0x91/0xc0 fs/jbd2/transaction.c:1086
__ext4_journal_get_write_access+0x5e/0xa0 fs/ext4/ext4_jbd2.c:169
ext4_reserve_inode_write+0x191/0x260 fs/ext4/inode.c:5763
ext4_orphan_add+0x398/0xda0 fs/ext4/namei.c:2781
ext4_unlink+0xf2f/0x11e0 fs/ext4/namei.c:3041
vfs_unlink+0x2db/0x510 fs/namei.c:3970
do_unlinkat+0x6b8/0xa10 fs/namei.c:4033
__do_sys_unlink fs/namei.c:4080 [inline]
__se_sys_unlink fs/namei.c:4078 [inline]
__x64_sys_unlink+0x42/0x50 fs/namei.c:4078
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4556c7
RSP: 002b:00007ffe4860f718 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004556c7
RDX: 00000000015cf9d3 RSI: 00007ffe4860f7b0 RDI: 00007ffe4860f7b0
RBP: 00007ffe486114c0 R08: 0000000000000000 R09: 0000000000000010
R10: 000000000000000a R11: 0000000000000206 R12: 00000000015cf940
R13: 0000000000000000 R14: 000000000000017a R15: 000000000001c166
random: crng init done
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9632 Comm: syz-executor3 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]
memcg_init_list_lru_node mm/list_lru.c:331 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x559/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000009
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9697 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 000000000000000a
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9749 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 000000000000000b
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9817 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 000000000000000c
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9894 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 000000000000000d
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9946 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 000000000000000e
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 10003 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 000000000000000f
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 10039 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000010
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 10089 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000011
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 10128 Comm: syz-executor3 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+0x2cb/0x780 mm/slab.c:3618
kmalloc include/linux/slab.h:512 [inline]
__memcg_init_list_lru_node+0x17d/0x2c0 mm/list_lru.c:313
memcg_init_list_lru_node mm/list_lru.c:336 [inline]
memcg_init_list_lru mm/list_lru.c:420 [inline]
__list_lru_init+0x456/0x790 mm/list_lru.c:576
alloc_super fs/super.c:237 [inline]
sget_userns+0x73a/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000012
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 10253 Comm: syz-executor3 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]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2c8/0x760 mm/slab.c:3727
kmalloc include/linux/slab.h:517 [inline]
kzalloc include/linux/slab.h:701 [inline]
__list_lru_init+0xdd/0x790 mm/list_lru.c:565
alloc_super fs/super.c:239 [inline]
sget_userns+0x767/0xf00 fs/super.c:506
sget+0x10b/0x150 fs/super.c:557
mount_nodev+0x33/0x110 fs/super.c:1205
hugetlbfs_mount+0x2c/0x40 fs/hugetlbfs/inode.c:1284
mount_fs+0xae/0x328 fs/super.c:1267
vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
vfs_kern_mount fs/namespace.c:1027 [inline]
do_new_mount fs/namespace.c:2518 [inline]
do_mount+0x564/0x3070 fs/namespace.c:2848
ksys_mount+0x12d/0x140 fs/namespace.c:3064
__do_sys_mount fs/namespace.c:3078 [inline]
__se_sys_mount fs/namespace.c:3075 [inline]
__x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455979
RSP: 002b:00007fd3e3f39c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd3e3f3a6d4 RCX: 0000000000455979
RDX: 0000000020000180 RSI: 0000000020000380 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 0000000000000440 R14: 00000000006fa6a0 R15: 0000000000000013
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 10273 Comm: syz-executor3 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]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2c8/0x760 mm/slab.c:3727