R13: 00000000200001c0 R14: 00007fb7cfa34000 R15: 0000000020000440
warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow
Call Trace:
======================================================
WARNING: possible circular locking dependency detected
5.16.0-rc6-next-20211224 #1 Not tainted
------------------------------------------------------
syz-executor.2/6659 is trying to acquire lock:
ffffffff851f5118 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60 kernel/locking/semaphore.c:138
but task is already holding lock:
ffff88803f600820 (&ctx->lock){-...}-{2:2}, at: perf_ctx_lock kernel/events/core.c:168 [inline]
ffff88803f600820 (&ctx->lock){-...}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3869 [inline]
ffff88803f600820 (&ctx->lock){-...}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770 kernel/events/core.c:3931
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (&ctx->lock){-...}-{2:2}:
__raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
perf_event_context_sched_out kernel/events/core.c:3493 [inline]
__perf_event_task_sched_out+0x519/0x1920 kernel/events/core.c:3601
perf_event_task_sched_out include/linux/perf_event.h:1245 [inline]
prepare_task_switch kernel/sched/core.c:4796 [inline]
context_switch kernel/sched/core.c:4938 [inline]
__schedule+0xead/0x2190 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
exit_to_user_mode_loop kernel/entry/common.c:163 [inline]
exit_to_user_mode_prepare+0x114/0x1c0 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:300
do_syscall_64+0x48/0x90 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
-> #2 (&rq->__lock){-.-.}-{2:2}:
_raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:378
raw_spin_rq_lock_nested+0x1e/0x30 kernel/sched/core.c:489
raw_spin_rq_lock kernel/sched/sched.h:1318 [inline]
rq_lock kernel/sched/sched.h:1616 [inline]
task_fork_fair+0x63/0x4d0 kernel/sched/fair.c:11146
sched_post_fork+0x343/0x490 kernel/sched/core.c:4462
copy_process+0x5353/0x6e20 kernel/fork.c:2394
kernel_clone+0xe7/0xa60 kernel/fork.c:2620
kernel_thread+0xae/0xf0 kernel/fork.c:2672
rest_init+0x24/0x3d0 init/main.c:692
start_kernel+0x484/0x4a5 init/main.c:1141
secondary_startup_64_no_verify+0xd5/0xdb
-> #1 (&p->pi_lock){-.-.}-{2:2}:
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
try_to_wake_up+0xac/0x14c0 kernel/sched/core.c:4017
up+0x75/0xb0 kernel/locking/semaphore.c:190
__up_console_sem+0x6e/0x80 kernel/printk/printk.c:255
console_unlock+0x53e/0xae0 kernel/printk/printk.c:2730
vprintk_emit+0x198/0x450 kernel/printk/printk.c:2248
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2269
kauditd_printk_skb kernel/audit.c:538 [inline]
kauditd_hold_skb.cold+0x41/0x50 kernel/audit.c:571
kauditd_send_queue kernel/audit.c:734 [inline]
kauditd_thread+0x86b/0x1080 kernel/audit.c:858
kthread+0x2f0/0x3a0 kernel/kthread.c:377
ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295
-> #0 ((console_sem).lock){-.-.}-{2:2}:
check_prev_add kernel/locking/lockdep.c:3063 [inline]
check_prevs_add kernel/locking/lockdep.c:3186 [inline]
validate_chain kernel/locking/lockdep.c:3801 [inline]
__lock_acquire+0x2a14/0x5b70 kernel/locking/lockdep.c:5027
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
down_trylock+0xe/0x60 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238
console_trylock kernel/printk/printk.c:2545 [inline]
console_trylock_spinning kernel/printk/printk.c:1846 [inline]
vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2269
show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195
ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101
fixup_exception+0x1ca/0xdd0 arch/x86/mm/extable.c:212
__exc_general_protection arch/x86/kernel/traps.c:601 [inline]
exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562
__wrmsr arch/x86/include/asm/msr.h:103 [inline]
native_write_msr arch/x86/include/asm/msr.h:154 [inline]
wrmsrl arch/x86/include/asm/msr.h:271 [inline]
__x86_pmu_enable_event arch/x86/events/perf_event.h:1122 [inline]
x86_pmu_enable_all+0x132/0x3c0 arch/x86/events/core.c:743
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1207 [inline]
perf_pmu_enable kernel/events/core.c:1203 [inline]
perf_event_context_sched_in kernel/events/core.c:3893 [inline]
__perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3931
perf_event_task_sched_in include/linux/perf_event.h:1222 [inline]
finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4861
context_switch kernel/sched/core.c:4989 [inline]
__schedule+0x88a/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
ext4_journal_check_start+0x2b/0x2a0 fs/ext4/ext4_jbd2.c:68
__ext4_journal_start_sb+0x88/0x470 fs/ext4/ext4_jbd2.c:98
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5923
__mark_inode_dirty+0x3c7/0xe00 fs/fs-writeback.c:2409
mark_inode_dirty_sync include/linux/fs.h:2377 [inline]
dquot_free_space include/linux/quotaops.h:382 [inline]
dquot_free_block include/linux/quotaops.h:392 [inline]
ext4_mb_new_blocks+0x2113/0x4a00 fs/ext4/mballoc.c:5634
ext4_ext_map_blocks+0x1f76/0x5ca0 fs/ext4/extents.c:4285
ext4_map_blocks+0x652/0x18d0 fs/ext4/inode.c:638
ext4_alloc_file_blocks.isra.0+0x2c1/0xb20 fs/ext4/extents.c:4470
ext4_fallocate+0x3f5/0x3e40 fs/ext4/extents.c:4751
vfs_fallocate+0x48f/0xe10 fs/open.c:308
ioctl_preallocate+0x18e/0x200 fs/ioctl.c:294
file_ioctl fs/ioctl.c:334 [inline]
do_vfs_ioctl+0x1314/0x1630 fs/ioctl.c:853
__do_sys_ioctl fs/ioctl.c:872 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x108/0x210 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
other info that might help us debug this:
Chain exists of:
(console_sem).lock --> &rq->__lock --> &ctx->lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ctx->lock);
lock(&rq->__lock);
lock(&ctx->lock);
lock((console_sem).lock);
*** DEADLOCK ***
6 locks held by syz-executor.2/6659:
#0: ffff888009778438 (sb_writers#3){.+.+}-{0:0}, at: ioctl_preallocate+0x18e/0x200 fs/ioctl.c:294
#1: ffff88801e988dc0 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: inode_lock include/linux/fs.h:777 [inline]
#1: ffff88801e988dc0 (&sb->s_type->i_mutex_key#14){++++}-{3:3}, at: ext4_fallocate+0x2bd/0x3e40 fs/ext4/extents.c:4729
#2: ffff88800977c990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf92/0x1390 fs/jbd2/transaction.c:466
#3: ffff88801e988c48 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x5e0/0x18d0 fs/ext4/inode.c:631
#4: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: perf_ctx_lock kernel/events/core.c:166 [inline]
#4: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3869 [inline]
#4: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: __perf_event_task_sched_in+0x304/0x770 kernel/events/core.c:3931
#5: ffff88803f600820 (&ctx->lock){-...}-{2:2}, at: perf_ctx_lock kernel/events/core.c:168 [inline]
#5: ffff88803f600820 (&ctx->lock){-...}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3869 [inline]
#5: ffff88803f600820 (&ctx->lock){-...}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770 kernel/events/core.c:3931
stack backtrace:
CPU: 0 PID: 6659 Comm: syz-executor.2 Not tainted 5.16.0-rc6-next-20211224 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106
check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2143
check_prev_add kernel/locking/lockdep.c:3063 [inline]
check_prevs_add kernel/locking/lockdep.c:3186 [inline]
validate_chain kernel/locking/lockdep.c:3801 [inline]
__lock_acquire+0x2a14/0x5b70 kernel/locking/lockdep.c:5027
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
down_trylock+0xe/0x60 kernel/locking/semaphore.c:138
__down_trylock_console_sem+0x3b/0xd0 kernel/printk/printk.c:238
console_trylock kernel/printk/printk.c:2545 [inline]
console_trylock_spinning kernel/printk/printk.c:1846 [inline]
vprintk_emit+0x146/0x450 kernel/printk/printk.c:2247
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2269
show_trace_log_lvl+0x57/0x2bb arch/x86/kernel/dumpstack.c:195
ex_handler_msr+0x311/0x3a0 arch/x86/mm/extable.c:101
fixup_exception+0x1ca/0xdd0 arch/x86/mm/extable.c:212
__exc_general_protection arch/x86/kernel/traps.c:601 [inline]
exc_general_protection+0xed/0x2f0 arch/x86/kernel/traps.c:562
asm_exc_general_protection+0x1e/0x30 arch/x86/include/asm/idtentry.h:562
RIP: 0010:__wrmsr arch/x86/include/asm/msr.h:103 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:154 [inline]
RIP: 0010:wrmsrl arch/x86/include/asm/msr.h:271 [inline]
RIP: 0010:__x86_pmu_enable_event arch/x86/events/perf_event.h:1122 [inline]
RIP: 0010:x86_pmu_enable_all+0x132/0x3c0 arch/x86/events/core.c:743
Code: f7 d7 49 21 c7 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 64 02 00 00 48 8b 9b 78 01 00 00 4c 89 fa 44 89 f8 48 c1 ea 20 89 d9 <0f> 30 0f 1f 44 00 00 e8 52 40 42 00 e8 4d 40 42 00 8b 1d 43 f4 8a
RSP: 0018:ffff888017d2f018 EFLAGS: 00010016
RAX: 0000000000530076 RBX: 00000000c0010200 RCX: 00000000c0010200
RDX: 0000000000000100 RSI: ffffffff8100de36 RDI: ffff88804369eeb8
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff8100de25 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88806ce21c20 R14: ffff88806ce21e20 R15: 0000010000530076
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1207 [inline]
perf_pmu_enable kernel/events/core.c:1203 [inline]
perf_event_context_sched_in kernel/events/core.c:3893 [inline]
__perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3931
perf_event_task_sched_in include/linux/perf_event.h:1222 [inline]
finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4861
context_switch kernel/sched/core.c:4989 [inline]
__schedule+0x88a/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
ext4_journal_check_start+0x2b/0x2a0 fs/ext4/ext4_jbd2.c:68
__ext4_journal_start_sb+0x88/0x470 fs/ext4/ext4_jbd2.c:98
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5923
__mark_inode_dirty+0x3c7/0xe00 fs/fs-writeback.c:2409
mark_inode_dirty_sync include/linux/fs.h:2377 [inline]
dquot_free_space include/linux/quotaops.h:382 [inline]
dquot_free_block include/linux/quotaops.h:392 [inline]
ext4_mb_new_blocks+0x2113/0x4a00 fs/ext4/mballoc.c:5634
ext4_ext_map_blocks+0x1f76/0x5ca0 fs/ext4/extents.c:4285
ext4_map_blocks+0x652/0x18d0 fs/ext4/inode.c:638
ext4_alloc_file_blocks.isra.0+0x2c1/0xb20 fs/ext4/extents.c:4470
ext4_fallocate+0x3f5/0x3e40 fs/ext4/extents.c:4751
vfs_fallocate+0x48f/0xe10 fs/open.c:308
ioctl_preallocate+0x18e/0x200 fs/ioctl.c:294
file_ioctl fs/ioctl.c:334 [inline]
do_vfs_ioctl+0x1314/0x1630 fs/ioctl.c:853
__do_sys_ioctl fs/ioctl.c:872 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x108/0x210 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca8f52db19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca8caa3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca8f640f60 RCX: 00007fca8f52db19
RDX: 0000000020000040 RSI: 0000000040305828 RDI: 0000000000000003
RBP: 00007fca8f587f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9279cfbf R14: 00007fca8caa3300 R15: 0000000000022000
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1207 [inline]
perf_pmu_enable kernel/events/core.c:1203 [inline]
perf_event_context_sched_in kernel/events/core.c:3893 [inline]
__perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3931
perf_event_task_sched_in include/linux/perf_event.h:1222 [inline]
finish_task_switch.isra.0+0x45c/0x870 kernel/sched/core.c:4861
context_switch kernel/sched/core.c:4989 [inline]
__schedule+0x88a/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
ext4_journal_check_start+0x2b/0x2a0 fs/ext4/ext4_jbd2.c:68
__ext4_journal_start_sb+0x88/0x470 fs/ext4/ext4_jbd2.c:98
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5923
__mark_inode_dirty+0x3c7/0xe00 fs/fs-writeback.c:2409
mark_inode_dirty_sync include/linux/fs.h:2377 [inline]
dquot_free_space include/linux/quotaops.h:382 [inline]
dquot_free_block include/linux/quotaops.h:392 [inline]
ext4_mb_new_blocks+0x2113/0x4a00 fs/ext4/mballoc.c:5634
ext4_ext_map_blocks+0x1f76/0x5ca0 fs/ext4/extents.c:4285
ext4_map_blocks+0x652/0x18d0 fs/ext4/inode.c:638
ext4_alloc_file_blocks.isra.0+0x2c1/0xb20 fs/ext4/extents.c:4470
ext4_fallocate+0x3f5/0x3e40 fs/ext4/extents.c:4751
vfs_fallocate+0x48f/0xe10 fs/open.c:308
ioctl_preallocate+0x18e/0x200 fs/ioctl.c:294
file_ioctl fs/ioctl.c:334 [inline]
do_vfs_ioctl+0x1314/0x1630 fs/ioctl.c:853
__do_sys_ioctl fs/ioctl.c:872 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x108/0x210 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca8f52db19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca8caa3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca8f640f60 RCX: 00007fca8f52db19
RDX: 0000000020000040 RSI: 0000000040305828 RDI: 0000000000000003
RBP: 00007fca8f587f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9279cfbf R14: 00007fca8caa3300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1207 [inline]
perf_pmu_enable kernel/events/core.c:1203 [inline]
perf_event_context_sched_out kernel/events/core.c:3500 [inline]
__perf_event_task_sched_out+0x764/0x1920 kernel/events/core.c:3601
perf_event_task_sched_out include/linux/perf_event.h:1245 [inline]
prepare_task_switch kernel/sched/core.c:4796 [inline]
context_switch kernel/sched/core.c:4938 [inline]
__schedule+0xead/0x2190 kernel/sched/core.c:6296
preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6462
__cond_resched+0x13/0x20 kernel/sched/core.c:8175
might_resched include/linux/kernel.h:110 [inline]
ext4_journal_check_start+0x2b/0x2a0 fs/ext4/ext4_jbd2.c:68
__ext4_journal_start_sb+0x88/0x470 fs/ext4/ext4_jbd2.c:98
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_dirty_inode+0x9d/0x110 fs/ext4/inode.c:5923
__mark_inode_dirty+0x3c7/0xe00 fs/fs-writeback.c:2409
mark_inode_dirty_sync include/linux/fs.h:2377 [inline]
dquot_free_space include/linux/quotaops.h:382 [inline]
dquot_free_block include/linux/quotaops.h:392 [inline]
ext4_mb_new_blocks+0x2113/0x4a00 fs/ext4/mballoc.c:5634
ext4_ext_map_blocks+0x1f76/0x5ca0 fs/ext4/extents.c:4285
ext4_map_blocks+0x652/0x18d0 fs/ext4/inode.c:638
ext4_alloc_file_blocks.isra.0+0x2c1/0xb20 fs/ext4/extents.c:4470
ext4_fallocate+0x3f5/0x3e40 fs/ext4/extents.c:4751
vfs_fallocate+0x48f/0xe10 fs/open.c:308
ioctl_preallocate+0x18e/0x200 fs/ioctl.c:294
file_ioctl fs/ioctl.c:334 [inline]
do_vfs_ioctl+0x1314/0x1630 fs/ioctl.c:853
__do_sys_ioctl fs/ioctl.c:872 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x108/0x210 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca8f52db19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca8caa3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fca8f640f60 RCX: 00007fca8f52db19
RDX: 0000000020000040 RSI: 0000000040305828 RDI: 0000000000000003
RBP: 00007fca8f587f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9279cfbf R14: 00007fca8caa3300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1207 [inline]
perf_pmu_enable kernel/events/core.c:1203 [inline]
ctx_resched+0x2b0/0x390 kernel/events/core.c:2754
__perf_install_in_context+0x285/0x310 kernel/events/core.c:2821
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
generic_exec_single+0x203/0x300 kernel/smp.c:518
smp_call_function_single+0x189/0x460 kernel/smp.c:755
task_function_call+0xe5/0x170 kernel/events/core.c:119
perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2922
__do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca8f52db19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca8ca82188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fca8f641020 RCX: 00007fca8f52db19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007fca8f587f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9279cfbf R14: 00007fca8ca82300 R15: 0000000000022000
Call Trace:
x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597
x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636
event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2289
__perf_remove_from_context+0x88/0x830 kernel/events/core.c:2356
event_function+0x297/0x3d0 kernel/events/core.c:253
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
flush_smp_call_function_queue+0x1df/0x610 kernel/smp.c:628
__sysvec_call_function_single+0x92/0x3a0 arch/x86/kernel/smp.c:248
sysvec_call_function_single+0x3b/0xc0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:__do_softirq+0x183/0x8c7 kernel/softirq.c:544
Code: 0a 00 00 00 48 89 44 24 18 48 c7 c7 00 92 65 84 e8 62 5c c5 ff 65 66 c7 05 08 6f c3 7b 00 00 e8 a3 e7 09 fd fb b8 ff ff ff ff <48> c7 c3 c0 a0 00 85 41 0f bc c5 89 c1 83 c1 01 89 4c 24 04 75 41
RSP: 0018:ffff88806ce09f68 EFLAGS: 00000246
RAX: 00000000ffffffff RBX: ffff888041675040 RCX: 1ffffffff0b18091
RDX: 0000000000000000 RSI: ffffffff8149e971 RDI: ffffffff8440017d
RBP: ffff888008183580 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8149e958 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000282 R14: 0000000000000000 R15: 0000000000000000
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x113/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/irqflags.h:81 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:138 [inline]
RIP: 0010:generic_exec_single+0x20c/0x300 kernel/smp.c:520
Code: 31 e4 4c 89 ef 0f ae e8 ff d5 e9 ec fe ff ff e8 7a bb 0a 00 e8 95 82 11 00 4c 89 ef 0f ae e8 ff d5 e8 98 85 11 00 fb 45 31 e4 cc fe ff ff e8 5a bb 0a 00 0f 0b e9 73 ff ff ff 4c 89 f7 e8 3b
RSP: 0018:ffff888046227b08 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffffffff0b18091
RDX: 0000000000000000 RSI: ffffffff8149e971 RDI: ffffffff81386388
RBP: ffffffff81513650 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8149e958 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888046227c38 R14: ffff888046227b88 R15: 0000000000000200
smp_call_function_single+0x189/0x460 kernel/smp.c:755
task_function_call+0xe5/0x170 kernel/events/core.c:119
perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2922
__do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fca8f52db19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca8ca82188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fca8f641020 RCX: 00007fca8f52db19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007fca8f587f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe9279cfbf R14: 00007fca8ca82300 R15: 0000000000022000
Call Trace:
x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
perf_pmu_enable kernel/events/core.c:1207 [inline]
perf_pmu_enable kernel/events/core.c:1203 [inline]
ctx_resched+0x2b0/0x390 kernel/events/core.c:2754
__perf_install_in_context+0x285/0x310 kernel/events/core.c:2821
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
generic_exec_single+0x203/0x300 kernel/smp.c:518
smp_call_function_single+0x189/0x460 kernel/smp.c:755
cpu_function_call kernel/events/core.c:152 [inline]
perf_install_in_context+0x4a3/0x550 kernel/events/core.c:2880
__do_sys_perf_event_open+0x1bf0/0x3040 kernel/events/core.c:12433
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ffa6306bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffa605c0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ffa6317f020 RCX: 00007ffa6306bb19
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 00000000200000c0
RBP: 00007ffa630c5f6d R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd1be8b1f R14: 00007ffa605c0300 R15: 0000000000022000
Call Trace:
x86_pmu_stop+0x149/0x330 arch/x86/events/core.c:1597
x86_pmu_del+0x1be/0x610 arch/x86/events/core.c:1636
event_sched_out+0x2ed/0xaf0 kernel/events/core.c:2289
group_sched_out.part.0+0x115/0x360 kernel/events/core.c:2323
group_sched_out kernel/events/core.c:2318 [inline]
__perf_event_disable+0x19f/0x2b0 kernel/events/core.c:2423
event_function+0x297/0x3d0 kernel/events/core.c:253
remote_function kernel/events/core.c:91 [inline]
remote_function+0x125/0x1b0 kernel/events/core.c:71
generic_exec_single+0x203/0x300 kernel/smp.c:518
smp_call_function_single+0x189/0x460 kernel/smp.c:755
cpu_function_call kernel/events/core.c:152 [inline]
event_function_call+0x3d0/0x430 kernel/events/core.c:280
_perf_event_disable+0x96/0xd0 kernel/events/core.c:2456
perf_event_for_each_child+0x8a/0x150 kernel/events/core.c:5487
perf_event_for_each kernel/events/core.c:5503 [inline]
_perf_ioctl+0x2cc/0x2150 kernel/events/core.c:5715
perf_ioctl+0x76/0xb0 kernel/events/core.c:5734
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+0x196/0x210 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7ffa6306bb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffa605e1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffa6317ef60 RCX: 00007ffa6306bb19
RDX: 0000000000000003 RSI: 0000000000002401 RDI: 0000000000000004
RBP: 00007ffa630c5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd1be8b1f R14: 00007ffa605e1300 R15: 0000000000022000
warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow
syz-executor.2 (6659) used greatest stack depth: 23144 bytes left
----------------
Code disassembly (best guess):
0: f7 d7 not %edi
2: 49 21 c7 and %rax,%r15
5: 48 89 f8 mov %rdi,%rax
8: 48 c1 e8 03 shr $0x3,%rax
c: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
11: 0f 85 64 02 00 00 jne 0x27b
17: 48 8b 9b 78 01 00 00 mov 0x178(%rbx),%rbx
1e: 4c 89 fa mov %r15,%rdx
21: 44 89 f8 mov %r15d,%eax
24: 48 c1 ea 20 shr $0x20,%rdx
28: 89 d9 mov %ebx,%ecx
* 2a: 0f 30 wrmsr <-- trapping instruction
2c: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
31: e8 52 40 42 00 callq 0x424088
36: e8 4d 40 42 00 callq 0x424088
3b: 8b .byte 0x8b
3c: 1d .byte 0x1d
3d: 43 f4 rex.XB hlt
3f: 8a .byte 0x8a