------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=2001 set at [] do_nanosleep+0x7e/0x6a0 kernel/time/hrtimer.c:-1 WARNING: kernel/sched/core.c:9183 at __might_sleep+0x92/0xf0 kernel/sched/core.c:9179, CPU#0: syz-executor/5633 Modules linked in: CPU: 0 UID: 0 PID: 5633 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__might_sleep+0xac/0xf0 kernel/sched/core.c:9179 Code: 00 00 48 89 3c 24 41 89 f5 4c 8d 35 ce a4 e6 0e 43 80 3c 3c 00 74 08 48 89 df e8 bf 45 a1 00 48 8b 0b 4c 89 f7 89 ee 48 89 ca <67> 48 0f b9 3a 44 89 ee 48 8b 3c 24 eb b5 44 89 f1 80 e1 07 80 c1 RSP: 0000:ffffc90000007c08 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807f40f668 RCX: ffffffff8be78b3e RDX: ffffffff8be78b3e RSI: 0000000000002001 RDI: ffffffff907d29a0 RBP: 0000000000002001 R08: 0000000000000100 R09: 1ffffffff20f456f R10: dffffc0000000000 R11: fffffbfff20f4570 R12: 1ffff1100fe81ecd R13: 00000000000011d1 R14: ffffffff907d29a0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff888124cd2000(0063) knlGS:0000000057adf480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7fa55c0 CR3: 000000005d3bc000 CR4: 00000000003526f0 Call Trace: __cancel_work_sync+0x6d/0x110 kernel/workqueue.c:4561 mmc_free_host+0x19/0x30 drivers/mmc/core/host.c:700 call_timer_fn+0x18d/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x652/0x8b0 kernel/time/timer.c:2386 run_timer_base kernel/time/timer.c:2395 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2405 handle_softirqs+0x226/0x860 kernel/softirq.c:645 __do_softirq kernel/softirq.c:679 [inline] invoke_softirq kernel/softirq.c:519 [inline] __irq_exit_rcu+0xcb/0x220 kernel/softirq.c:758 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:221 Code: f7 e8 8d 23 bc f5 f7 c3 00 02 00 00 74 05 e8 30 67 e8 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 94 32 ad f5 65 48 8b 05 0c 31 ad 07 48 85 c0 74 18 5b 41 5e e9 RSP: 0000:ffffc900042a7bb8 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000246 RCX: 8000000000000001 RDX: 0000000000000000 RSI: ffffffff8e475f59 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff907a2b7f R09: 1ffffffff20f456f R10: dffffc0000000000 R11: fffffbfff20f4570 R12: 000000000000c350 R13: dffffc0000000000 R14: ffff8880b8628280 R15: 0000000000000246 unlock_hrtimer_base kernel/time/hrtimer.c:1042 [inline] hrtimer_start_range_ns_user+0x2ba/0x430 kernel/time/hrtimer.c:1622 hrtimer_start_expires_user include/linux/hrtimer.h:247 [inline] hrtimer_sleeper_start_expires kernel/time/hrtimer.c:2349 [inline] do_nanosleep+0x16c/0x6a0 kernel/time/hrtimer.c:2426 hrtimer_nanosleep+0x18f/0x3a0 kernel/time/hrtimer.c:2475 __do_sys_clock_nanosleep_time32 kernel/time/posix-timers.c:1434 [inline] __se_sys_clock_nanosleep_time32+0x35d/0x3b0 kernel/time/posix-timers.c:1411 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] do_int80_emulation+0x198/0x500 arch/x86/entry/syscall_32.c:166 asm_int80_emulation+0x1a/0x20 arch/x86/include/asm/idtentry.h:598 RIP: 0023:0xf71075ab Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 RSP: 002b:00000000f74efc4c EFLAGS: 00000246 ORIG_RAX: 000000000000010b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000f74efce4 RSI: 00000000f74efcdc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 89 3c 24 mov %rdi,(%rsp) 6: 41 89 f5 mov %esi,%r13d 9: 4c 8d 35 ce a4 e6 0e lea 0xee6a4ce(%rip),%r14 # 0xee6a4de 10: 43 80 3c 3c 00 cmpb $0x0,(%r12,%r15,1) 15: 74 08 je 0x1f 17: 48 89 df mov %rbx,%rdi 1a: e8 bf 45 a1 00 call 0xa145de 1f: 48 8b 0b mov (%rbx),%rcx 22: 4c 89 f7 mov %r14,%rdi 25: 89 ee mov %ebp,%esi 27: 48 89 ca mov %rcx,%rdx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 44 89 ee mov %r13d,%esi 32: 48 8b 3c 24 mov (%rsp),%rdi 36: eb b5 jmp 0xffffffed 38: 44 89 f1 mov %r14d,%ecx 3b: 80 e1 07 and $0x7,%cl 3e: 80 .byte 0x80 3f: c1 .byte 0xc1