R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff3dc20b6f R14: 00007f3a11fc1300 R15: 0000000000022000
 </TASK>
Call Trace:
======================================================
WARNING: possible circular locking dependency detected
5.17.0-rc1-next-20220127 #1 Not tainted
------------------------------------------------------
syz-executor.0/320535 is trying to acquire lock:
ffffffff851f5c98 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0xe/0x60 kernel/locking/semaphore.c:138

but task is already holding lock:
ffff888038a27820 (&ctx->lock){-...}-{2:2}, at: perf_ctx_lock kernel/events/core.c:168 [inline]
ffff888038a27820 (&ctx->lock){-...}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3917 [inline]
ffff888038a27820 (&ctx->lock){-...}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770 kernel/events/core.c:3979

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:3532 [inline]
       __perf_event_task_sched_out+0x519/0x1950 kernel/events/core.c:3640
       perf_event_task_sched_out include/linux/perf_event.h:1236 [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:6295
       preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6461
       __cond_resched+0x13/0x20 kernel/sched/core.c:8174
       might_resched include/linux/kernel.h:110 [inline]
       __mutex_lock_common kernel/locking/mutex.c:577 [inline]
       __mutex_lock+0xa3/0x1480 kernel/locking/mutex.c:733
       __do_sys_perf_event_open+0x1d13/0x3040 kernel/events/core.c:12491
       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

-> #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:11182
       sched_post_fork+0x343/0x490 kernel/sched/core.c:4462
       copy_process+0x5313/0x6cb0 kernel/fork.c:2379
       kernel_clone+0xe7/0xa60 kernel/fork.c:2555
       kernel_thread+0xb5/0xf0 kernel/fork.c:2607
       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
       regdb_fw_cb.cold+0x6c/0xa7 net/wireless/reg.c:1044
       request_firmware_work_func+0x12e/0x230 drivers/base/firmware_loader/main.c:1022
       process_one_work+0xa14/0x1690 kernel/workqueue.c:2289
       worker_thread+0x637/0x1260 kernel/workqueue.c:2436
       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+0x1c7/0xc90 arch/x86/mm/extable.c:200
       __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:1128 [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:1237 [inline]
       perf_pmu_enable kernel/events/core.c:1233 [inline]
       perf_event_context_sched_in kernel/events/core.c:3941 [inline]
       __perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3979
       perf_event_task_sched_in include/linux/perf_event.h:1213 [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:6295
       preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6461
       __cond_resched+0x13/0x20 kernel/sched/core.c:8174
       might_resched include/linux/kernel.h:110 [inline]
       might_alloc include/linux/sched/mm.h:256 [inline]
       slab_pre_alloc_hook mm/slab.h:705 [inline]
       slab_alloc_node mm/slub.c:3144 [inline]
       slab_alloc mm/slub.c:3238 [inline]
       kmem_cache_alloc+0x31a/0x480 mm/slub.c:3243
       mem_pool_alloc mm/kmemleak.c:430 [inline]
       create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:586
       kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
       slab_post_alloc_hook mm/slab.h:735 [inline]
       slab_alloc_node mm/slub.c:3230 [inline]
       slab_alloc mm/slub.c:3238 [inline]
       kmem_cache_alloc+0x239/0x480 mm/slub.c:3243
       kmem_cache_zalloc include/linux/slab.h:705 [inline]
       ext4_mb_pa_alloc fs/ext4/mballoc.c:5031 [inline]
       ext4_mb_new_blocks+0x222c/0x4b60 fs/ext4/mballoc.c:5577
       ext4_ext_map_blocks+0x1f55/0x5c90 fs/ext4/extents.c:4282
       ext4_map_blocks+0x652/0x1970 fs/ext4/inode.c:638
       mpage_map_one_extent fs/ext4/inode.c:2373 [inline]
       mpage_map_and_submit_extent fs/ext4/inode.c:2426 [inline]
       ext4_writepages+0x1be5/0x36e0 fs/ext4/inode.c:2778
       do_writepages+0x19c/0x640 mm/page-writeback.c:2364
       filemap_fdatawrite_wbc mm/filemap.c:384 [inline]
       __filemap_fdatawrite_range+0x1b4/0x1f0 mm/filemap.c:417
       file_write_and_wait_range+0xb2/0x120 mm/filemap.c:775
       ext4_sync_file+0x225/0xfa0 fs/ext4/fsync.c:151
       vfs_fsync_range+0x13d/0x230 fs/sync.c:182
       generic_write_sync include/linux/fs.h:2884 [inline]
       ext4_buffered_write_iter+0x2b7/0x390 fs/ext4/file.c:275
       ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:677
       call_write_iter include/linux/fs.h:2074 [inline]
       do_iter_readv_writev+0x481/0x760 fs/read_write.c:726
       do_iter_write+0x18d/0x700 fs/read_write.c:852
       vfs_iter_write+0x70/0xa0 fs/read_write.c:893
       iter_file_splice_write+0x722/0xc90 fs/splice.c:689
       do_splice_from fs/splice.c:767 [inline]
       direct_splice_actor+0x10f/0x170 fs/splice.c:936
       splice_direct_to_actor+0x350/0x8f0 fs/splice.c:891
       do_splice_direct+0x1c4/0x290 fs/splice.c:979
       do_sendfile+0xae9/0x1240 fs/read_write.c:1246
       __do_sys_sendfile64 fs/read_write.c:1311 [inline]
       __se_sys_sendfile64 fs/read_write.c:1297 [inline]
       __x64_sys_sendfile64+0x1cd/0x210 fs/read_write.c:1297
       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.0/320535:
 #0: ffff88800f9ca438 (sb_writers#3){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 #0: ffff88800f9ca438 (sb_writers#3){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1297 [inline]
 #0: ffff88800f9ca438 (sb_writers#3){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1cd/0x210 fs/read_write.c:1297
 #1: ffff88800f9ccbd0 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: do_writepages+0x19c/0x640 mm/page-writeback.c:2364
 #2: ffff88800f9ce990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf92/0x1390 fs/jbd2/transaction.c:466
 #3: ffff88801f0da9b8 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x5e0/0x1970 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:3917 [inline]
 #4: ffff88806ce3ee20 (&cpuctx_lock){-.-.}-{2:2}, at: __perf_event_task_sched_in+0x304/0x770 kernel/events/core.c:3979
 #5: ffff888038a27820 (&ctx->lock){-...}-{2:2}, at: perf_ctx_lock kernel/events/core.c:168 [inline]
 #5: ffff888038a27820 (&ctx->lock){-...}-{2:2}, at: perf_event_context_sched_in kernel/events/core.c:3917 [inline]
 #5: ffff888038a27820 (&ctx->lock){-...}-{2:2}, at: __perf_event_task_sched_in+0x315/0x770 kernel/events/core.c:3979

stack backtrace:
CPU: 0 PID: 320535 Comm: syz-executor.0 Not tainted 5.17.0-rc1-next-20220127 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
 <TASK>
 __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+0x1c7/0xc90 arch/x86/mm/extable.c:200
 __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:1128 [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 70 01 00 00 4c 89 fa 44 89 f8 48 c1 ea 20 89 d9 <0f> 30 0f 1f 44 00 00 e8 92 61 42 00 e8 8d 61 42 00 8b 1d 83 6c 8b
RSP: 0018:ffff88803e53e680 EFLAGS: 00010016
RAX: 0000000000530076 RBX: 00000000c0010200 RCX: 00000000c0010200
RDX: 0000000000000100 RSI: ffffffff8100de36 RDI: ffff88802bdff3d0
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:1237 [inline]
 perf_pmu_enable kernel/events/core.c:1233 [inline]
 perf_event_context_sched_in kernel/events/core.c:3941 [inline]
 __perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3979
 perf_event_task_sched_in include/linux/perf_event.h:1213 [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:6295
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6461
 __cond_resched+0x13/0x20 kernel/sched/core.c:8174
 might_resched include/linux/kernel.h:110 [inline]
 might_alloc include/linux/sched/mm.h:256 [inline]
 slab_pre_alloc_hook mm/slab.h:705 [inline]
 slab_alloc_node mm/slub.c:3144 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x31a/0x480 mm/slub.c:3243
 mem_pool_alloc mm/kmemleak.c:430 [inline]
 create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:586
 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
 slab_post_alloc_hook mm/slab.h:735 [inline]
 slab_alloc_node mm/slub.c:3230 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x239/0x480 mm/slub.c:3243
 kmem_cache_zalloc include/linux/slab.h:705 [inline]
 ext4_mb_pa_alloc fs/ext4/mballoc.c:5031 [inline]
 ext4_mb_new_blocks+0x222c/0x4b60 fs/ext4/mballoc.c:5577
 ext4_ext_map_blocks+0x1f55/0x5c90 fs/ext4/extents.c:4282
 ext4_map_blocks+0x652/0x1970 fs/ext4/inode.c:638
 mpage_map_one_extent fs/ext4/inode.c:2373 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2426 [inline]
 ext4_writepages+0x1be5/0x36e0 fs/ext4/inode.c:2778
 do_writepages+0x19c/0x640 mm/page-writeback.c:2364
 filemap_fdatawrite_wbc mm/filemap.c:384 [inline]
 __filemap_fdatawrite_range+0x1b4/0x1f0 mm/filemap.c:417
 file_write_and_wait_range+0xb2/0x120 mm/filemap.c:775
 ext4_sync_file+0x225/0xfa0 fs/ext4/fsync.c:151
 vfs_fsync_range+0x13d/0x230 fs/sync.c:182
 generic_write_sync include/linux/fs.h:2884 [inline]
 ext4_buffered_write_iter+0x2b7/0x390 fs/ext4/file.c:275
 ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:677
 call_write_iter include/linux/fs.h:2074 [inline]
 do_iter_readv_writev+0x481/0x760 fs/read_write.c:726
 do_iter_write+0x18d/0x700 fs/read_write.c:852
 vfs_iter_write+0x70/0xa0 fs/read_write.c:893
 iter_file_splice_write+0x722/0xc90 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x10f/0x170 fs/splice.c:936
 splice_direct_to_actor+0x350/0x8f0 fs/splice.c:891
 do_splice_direct+0x1c4/0x290 fs/splice.c:979
 do_sendfile+0xae9/0x1240 fs/read_write.c:1246
 __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 __se_sys_sendfile64 fs/read_write.c:1297 [inline]
 __x64_sys_sendfile64+0x1cd/0x210 fs/read_write.c:1297
 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: 0033:0x7f7f7127bb19
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:00007f7f6e7f1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7f7138ef60 RCX: 00007f7f7127bb19
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f7f712d5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 00000ffffffff000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda1a0796f R14: 00007f7f6e7f1300 R15: 0000000000022000
 </TASK>
 <TASK>
 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
 perf_pmu_enable kernel/events/core.c:1237 [inline]
 perf_pmu_enable kernel/events/core.c:1233 [inline]
 perf_event_context_sched_in kernel/events/core.c:3941 [inline]
 __perf_event_task_sched_in+0x5e4/0x770 kernel/events/core.c:3979
 perf_event_task_sched_in include/linux/perf_event.h:1213 [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:6295
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6461
 __cond_resched+0x13/0x20 kernel/sched/core.c:8174
 might_resched include/linux/kernel.h:110 [inline]
 might_alloc include/linux/sched/mm.h:256 [inline]
 slab_pre_alloc_hook mm/slab.h:705 [inline]
 slab_alloc_node mm/slub.c:3144 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x31a/0x480 mm/slub.c:3243
 mem_pool_alloc mm/kmemleak.c:430 [inline]
 create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:586
 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
 slab_post_alloc_hook mm/slab.h:735 [inline]
 slab_alloc_node mm/slub.c:3230 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x239/0x480 mm/slub.c:3243
 kmem_cache_zalloc include/linux/slab.h:705 [inline]
 ext4_mb_pa_alloc fs/ext4/mballoc.c:5031 [inline]
 ext4_mb_new_blocks+0x222c/0x4b60 fs/ext4/mballoc.c:5577
 ext4_ext_map_blocks+0x1f55/0x5c90 fs/ext4/extents.c:4282
 ext4_map_blocks+0x652/0x1970 fs/ext4/inode.c:638
 mpage_map_one_extent fs/ext4/inode.c:2373 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2426 [inline]
 ext4_writepages+0x1be5/0x36e0 fs/ext4/inode.c:2778
 do_writepages+0x19c/0x640 mm/page-writeback.c:2364
 filemap_fdatawrite_wbc mm/filemap.c:384 [inline]
 __filemap_fdatawrite_range+0x1b4/0x1f0 mm/filemap.c:417
 file_write_and_wait_range+0xb2/0x120 mm/filemap.c:775
 ext4_sync_file+0x225/0xfa0 fs/ext4/fsync.c:151
 vfs_fsync_range+0x13d/0x230 fs/sync.c:182
 generic_write_sync include/linux/fs.h:2884 [inline]
 ext4_buffered_write_iter+0x2b7/0x390 fs/ext4/file.c:275
 ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:677
 call_write_iter include/linux/fs.h:2074 [inline]
 do_iter_readv_writev+0x481/0x760 fs/read_write.c:726
 do_iter_write+0x18d/0x700 fs/read_write.c:852
 vfs_iter_write+0x70/0xa0 fs/read_write.c:893
 iter_file_splice_write+0x722/0xc90 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x10f/0x170 fs/splice.c:936
 splice_direct_to_actor+0x350/0x8f0 fs/splice.c:891
 do_splice_direct+0x1c4/0x290 fs/splice.c:979
 do_sendfile+0xae9/0x1240 fs/read_write.c:1246
 __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 __se_sys_sendfile64 fs/read_write.c:1297 [inline]
 __x64_sys_sendfile64+0x1cd/0x210 fs/read_write.c:1297
 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: 0033:0x7f7f7127bb19
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:00007f7f6e7f1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7f7138ef60 RCX: 00007f7f7127bb19
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f7f712d5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 00000ffffffff000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda1a0796f R14: 00007f7f6e7f1300 R15: 0000000000022000
 </TASK>
Call Trace:
 <TASK>
 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
 perf_pmu_enable kernel/events/core.c:1237 [inline]
 perf_pmu_enable kernel/events/core.c:1233 [inline]
 perf_event_context_sched_out kernel/events/core.c:3539 [inline]
 __perf_event_task_sched_out+0x764/0x1950 kernel/events/core.c:3640
 perf_event_task_sched_out include/linux/perf_event.h:1236 [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:6295
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6461
 __cond_resched+0x13/0x20 kernel/sched/core.c:8174
 might_resched include/linux/kernel.h:110 [inline]
 might_alloc include/linux/sched/mm.h:256 [inline]
 slab_pre_alloc_hook mm/slab.h:705 [inline]
 slab_alloc_node mm/slub.c:3144 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x31a/0x480 mm/slub.c:3243
 mem_pool_alloc mm/kmemleak.c:430 [inline]
 create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:586
 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
 slab_post_alloc_hook mm/slab.h:735 [inline]
 slab_alloc_node mm/slub.c:3230 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x239/0x480 mm/slub.c:3243
 kmem_cache_zalloc include/linux/slab.h:705 [inline]
 ext4_mb_pa_alloc fs/ext4/mballoc.c:5031 [inline]
 ext4_mb_new_blocks+0x222c/0x4b60 fs/ext4/mballoc.c:5577
 ext4_ext_map_blocks+0x1f55/0x5c90 fs/ext4/extents.c:4282
 ext4_map_blocks+0x652/0x1970 fs/ext4/inode.c:638
 mpage_map_one_extent fs/ext4/inode.c:2373 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2426 [inline]
 ext4_writepages+0x1be5/0x36e0 fs/ext4/inode.c:2778
 do_writepages+0x19c/0x640 mm/page-writeback.c:2364
 filemap_fdatawrite_wbc mm/filemap.c:384 [inline]
 __filemap_fdatawrite_range+0x1b4/0x1f0 mm/filemap.c:417
 file_write_and_wait_range+0xb2/0x120 mm/filemap.c:775
 ext4_sync_file+0x225/0xfa0 fs/ext4/fsync.c:151
 vfs_fsync_range+0x13d/0x230 fs/sync.c:182
 generic_write_sync include/linux/fs.h:2884 [inline]
 ext4_buffered_write_iter+0x2b7/0x390 fs/ext4/file.c:275
 ext4_file_write_iter+0x4ee/0x1890 fs/ext4/file.c:677
 call_write_iter include/linux/fs.h:2074 [inline]
 do_iter_readv_writev+0x481/0x760 fs/read_write.c:726
 do_iter_write+0x18d/0x700 fs/read_write.c:852
 vfs_iter_write+0x70/0xa0 fs/read_write.c:893
 iter_file_splice_write+0x722/0xc90 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x10f/0x170 fs/splice.c:936
 splice_direct_to_actor+0x350/0x8f0 fs/splice.c:891
 do_splice_direct+0x1c4/0x290 fs/splice.c:979
 do_sendfile+0xae9/0x1240 fs/read_write.c:1246
 __do_sys_sendfile64 fs/read_write.c:1311 [inline]
 __se_sys_sendfile64 fs/read_write.c:1297 [inline]
 __x64_sys_sendfile64+0x1cd/0x210 fs/read_write.c:1297
 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: 0033:0x7f7f7127bb19
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:00007f7f6e7f1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f7f7138ef60 RCX: 00007f7f7127bb19
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f7f712d5f6d R08: 0000000000000000 R09: 0000000000000000
R10: 00000ffffffff000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda1a0796f R14: 00007f7f6e7f1300 R15: 0000000000022000
 </TASK>
Call Trace:
 <IRQ>
 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:2356
 __perf_remove_from_context+0x88/0x860 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
 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+0x89/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:__alloc_pages_bulk+0xbb8/0x1530 mm/page_alloc.c:5317
Code: 48 c7 c6 66 7f 6d 81 48 89 ef e8 f3 68 bb ff 48 83 bc 24 80 00 00 00 00 74 06 e8 73 8b dc ff fb 48 b8 00 00 00 00 00 fc ff df <49> 8d 7c 24 50 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4c 09 00 00
RSP: 0018:ffff888023c1f850 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000064 RCX: 1ffffffff0b18f99
RDX: 0000000000000000 RSI: ffffffff814a0b51 RDI: ffffffff816d7f8d
RBP: ffff88806ce34660 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff814a0b38 R11: 0000000000000001 R12: ffff88807ffdc500
R13: ffff88806ce34688 R14: ffffea0001714408 R15: 0000000000000064
 alloc_pages_bulk_array_mempolicy+0x131/0x4e0 mm/mempolicy.c:2366
 vm_area_alloc_pages mm/vmalloc.c:2869 [inline]
 __vmalloc_area_node mm/vmalloc.c:2965 [inline]
 __vmalloc_node_range+0x538/0x10b0 mm/vmalloc.c:3110
 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3160
 alloc_one_pg_vec_page net/packet/af_packet.c:4293 [inline]
 alloc_pg_vec net/packet/af_packet.c:4318 [inline]
 packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4403
 packet_setsockopt+0x1991/0x3870 net/packet/af_packet.c:3780
 __sys_setsockopt+0x180/0x2a0 net/socket.c:2180
 __do_sys_setsockopt net/socket.c:2191 [inline]
 __se_sys_setsockopt net/socket.c:2188 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188
 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: 0033:0x7fb74ad88b19
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:00007fb7482fe188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fb74ae9bf60 RCX: 00007fb74ad88b19
RDX: 000000000000000d RSI: 0000000000000107 RDI: 0000000000000003
RBP: 00007fb74ade2f6d R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc720037bf R14: 00007fb7482fe300 R15: 0000000000022000
 </TASK>
Call Trace:
 <IRQ>
 x86_pmu_enable+0x580/0xd90 arch/x86/events/core.c:1350
 perf_pmu_enable kernel/events/core.c:1237 [inline]
 perf_pmu_enable kernel/events/core.c:1233 [inline]
 ctx_resched+0x2b0/0x390 kernel/events/core.c:2788
 __perf_install_in_context+0x285/0x310 kernel/events/core.c:2855
 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+0x89/0xc0 arch/x86/kernel/smp.c:243
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x2e/0x50 kernel/locking/spinlock.c:194
Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 3a d8 1e fd 48 89 ef e8 a2 53 1f fd 80 e7 02 74 06 e8 b8 fa 3f fd fb bf 01 00 00 00 <e8> 7d 0f 15 fd 65 8b 05 a6 5e f8 7b 85 c0 74 03 5b 5d c3 0f 1f 44
RSP: 0018:ffff88800b7478b8 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000246 RCX: 1ffffffff0b18f99
RDX: 0000000000000000 RSI: ffffffff814a0b51 RDI: 0000000000000001
RBP: ffff888008a3d400 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff814a0b38 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000246 R14: ffff88800bc30010 R15: 000000000000000a
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 ata_scsi_queuecmd+0xdc/0x160 drivers/ata/libata-scsi.c:4040
 scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1560 [inline]
 scsi_queue_rq+0x1614/0x3140 drivers/scsi/scsi_lib.c:1749
 blk_mq_dispatch_rq_list+0x6c2/0x2170 block/blk-mq.c:1851
 __blk_mq_do_dispatch_sched+0x3c5/0xa80 block/blk-mq-sched.c:173
 blk_mq_do_dispatch_sched block/blk-mq-sched.c:186 [inline]
 __blk_mq_sched_dispatch_requests+0x2a0/0x410 block/blk-mq-sched.c:306
 blk_mq_sched_dispatch_requests+0xfb/0x180 block/blk-mq-sched.c:332
 __blk_mq_run_hw_queue+0xf9/0x350 block/blk-mq.c:1968
 blk_mq_run_work_fn+0x55/0x70 block/blk-mq.c:2298
 process_one_work+0xa14/0x1690 kernel/workqueue.c:2289
 worker_thread+0x637/0x1260 kernel/workqueue.c:2436
 kthread+0x2f0/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Call Trace:
 <TASK>
 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:2356
 __perf_remove_from_context+0x88/0x860 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_remove_from_context+0xfd/0x230 kernel/events/core.c:2473
 perf_event_release_kernel+0x153/0x7f0 kernel/events/core.c:5168
 perf_release+0x33/0x40 kernel/events/core.c:5264
 __fput+0x281/0x9e0 fs/file_table.c:311
 task_work_run+0xe2/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x1be/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
RIP: 0033:0x7f3a149fe72b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007fff3dc20bd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f3a149fe72b
RDX: 00007f3a14b63a68 RSI: 0000000000000080 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007f3a14b63a70
R10: 00007fff3dc20cc0 R11: 0000000000000293 R12: 0000000000141e5b
R13: 00000000000003e8 R14: 00007f3a14b5ef60 R15: 0000000000141b75
 </TASK>
syz-executor.0 (320535) used greatest stack depth: 20696 bytes left
Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3
Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
Bluetooth: hci4: command 0x0409 tx timeout
Bluetooth: hci4: command 0x041b tx timeout
ieee80211 phy71: Selected rate control algorithm 'minstrel_ht'
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
ieee80211 phy72: Selected rate control algorithm 'minstrel_ht'
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Bluetooth: hci4: command 0x040f tx timeout
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.7'.
----------------
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 70 01 00 00 	mov    0x170(%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 92 61 42 00       	callq  0x4261c8
  36:	e8 8d 61 42 00       	callq  0x4261c8
  3b:	8b                   	.byte 0x8b
  3c:	1d                   	.byte 0x1d
  3d:	83                   	.byte 0x83
  3e:	6c                   	insb   (%dx),%es:(%rdi)
  3f:	8b                   	.byte 0x8b