BUG: sleeping function called from invalid context at kernel/workqueue.c:3039 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 22660, name: systemd-udevd preempt_count: 101, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by systemd-udevd/22660: #0: ffffffff8c3628d8 (tomoyo_ss){....}-{0:0}, at: tomoyo_path_perm+0x1c1/0x400 security/tomoyo/file.c:847 #1: ffffc90000007d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: lockdep_copy_map include/linux/lockdep.h:35 [inline] #1: ffffc90000007d70 ((&dum_hcd->timer)){+.-.}-{0:0}, at: call_timer_fn+0xd5/0x6b0 kernel/time/timer.c:1411 irq event stamp: 2405 hardirqs last enabled at (2404): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (2404): [] _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202 hardirqs last disabled at (2405): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (2405): [] _raw_spin_lock_irqsave+0x4e/0x50 kernel/locking/spinlock.c:162 softirqs last enabled at (1310): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (1310): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 softirqs last disabled at (2401): [] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (2401): [] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 Preemption disabled at: [] unwind_next_frame+0x120/0x1ce0 arch/x86/kernel/unwind_orc.c:428 CPU: 0 PID: 22660 Comm: systemd-udevd Not tainted 5.16.0-rc4-next-20211208-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9583 start_flush_work kernel/workqueue.c:3039 [inline] __flush_work+0x109/0xb10 kernel/workqueue.c:3103 __cancel_work_timer+0x3f9/0x570 kernel/workqueue.c:3191 hci_cmd_sync_cancel net/bluetooth/hci_sync.c:346 [inline] hci_cmd_sync_cancel+0xe1/0x170 net/bluetooth/hci_sync.c:338 btusb_intr_complete+0x3d3/0x4a0 drivers/bluetooth/btusb.c:969 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:unwind_next_frame+0x8a4/0x1ce0 arch/x86/kernel/unwind_orc.c:466 Code: 83 e1 07 44 38 cf 41 0f 9e c1 40 84 ff 40 0f 95 c7 41 84 f9 0f 85 b3 0e 00 00 83 e0 07 40 38 c6 40 0f 9e c7 40 84 f6 0f 95 c0 <40> 84 c7 0f 85 9a 0e 00 00 49 0f bf 00 48 01 d0 48 89 44 24 60 e9 RSP: 0018:ffffc90004d075c8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff920009a0ec1 RCX: ffffffff8e1ac1d5 RDX: ffffc90004d07dc8 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff8e1ac1d0 R09: 0000000000000001 R10: fffff520009a0edf R11: 000000000008808a R12: ffffc90004d076e8 R13: ffffc90004d076d5 R14: ffffc90004d076a0 R15: ffffffff8e1ac1d4 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:236 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754 slab_free mm/slub.c:3510 [inline] kfree+0xd0/0x4b0 mm/slub.c:4561 tomoyo_realpath_from_path+0x191/0x620 security/tomoyo/realpath.c:291 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x21b/0x400 security/tomoyo/file.c:822 security_inode_getattr+0xcf/0x140 security/security.c:1326 vfs_getattr fs/stat.c:157 [inline] vfs_fstat+0x43/0xb0 fs/stat.c:182 __do_sys_newfstat+0x81/0x100 fs/stat.c:422 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f5692e6f2e2 Code: 48 8b 05 b9 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 77 33 48 63 fe b8 05 00 00 00 48 89 d6 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 81 db 2b 00 f7 RSP: 002b:00007ffcc02426b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005 RAX: ffffffffffffffda RBX: 000055f5a5d18ba0 RCX: 00007f5692e6f2e2 RDX: 00007ffcc02426d0 RSI: 00007ffcc02426d0 RDI: 0000000000000007 RBP: 00007ffcc0242860 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000080000 R11: 0000000000000246 R12: 000055f5a5d1efd0 R13: 00007ffcc02427b0 R14: 000055f5a5d22ae5 R15: 00007ffcc0242820 sd 0:0:1:0: [sda] tag#1125 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s sd 0:0:1:0: [sda] tag#1125 CDB: opcode=0xe5 (vendor) sd 0:0:1:0: [sda] tag#1125 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c sd 0:0:1:0: [sda] tag#1125 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d sd 0:0:1:0: [sda] tag#1125 CDB[20]: ba sd 0:0:1:0: [sda] tag#1126 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s sd 0:0:1:0: [sda] tag#1126 CDB: opcode=0xe5 (vendor) sd 0:0:1:0: [sda] tag#1126 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c sd 0:0:1:0: [sda] tag#1126 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d sd 0:0:1:0: [sda] tag#1126 CDB[20]: ba sd 0:0:1:0: [sda] tag#1127 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s sd 0:0:1:0: [sda] tag#1127 CDB: opcode=0xe5 (vendor) sd 0:0:1:0: [sda] tag#1127 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c sd 0:0:1:0: [sda] tag#1127 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d sd 0:0:1:0: [sda] tag#1127 CDB[20]: ba ---------------- Code disassembly (best guess): 0: 83 e1 07 and $0x7,%ecx 3: 44 38 cf cmp %r9b,%dil 6: 41 0f 9e c1 setle %r9b a: 40 84 ff test %dil,%dil d: 40 0f 95 c7 setne %dil 11: 41 84 f9 test %dil,%r9b 14: 0f 85 b3 0e 00 00 jne 0xecd 1a: 83 e0 07 and $0x7,%eax 1d: 40 38 c6 cmp %al,%sil 20: 40 0f 9e c7 setle %dil 24: 40 84 f6 test %sil,%sil 27: 0f 95 c0 setne %al * 2a: 40 84 c7 test %al,%dil <-- trapping instruction 2d: 0f 85 9a 0e 00 00 jne 0xecd 33: 49 0f bf 00 movswq (%r8),%rax 37: 48 01 d0 add %rdx,%rax 3a: 48 89 44 24 60 mov %rax,0x60(%rsp) 3f: e9 .byte 0xe9