------------[ cut here ]------------ WARNING: CPU: 0 PID: 2197 at net/can/isotp.c:852 isotp_tx_timer_handler+0x574/0xaa0 net/can/isotp.c:763 Modules linked in: CPU: 0 PID: 2197 Comm: syz-executor.1 Not tainted 5.17.0-rc7-syzkaller #0 Hardware name: linux,dummy-virt (DT) pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : isotp_tx_timer_handler+0x574/0xaa0 net/can/isotp.c:852 lr : __run_hrtimer kernel/time/hrtimer.c:1685 [inline] lr : __hrtimer_run_queues+0x564/0xdec kernel/time/hrtimer.c:1749 sp : ffff800010d773f0 x29: ffff800010d773f0 x28: ffff000013310568 x27: ffff000013310000 x26: ffff00006aa2bac0 x25: 1fffe0000d545761 x24: 1fffe0000d54575a x23: ffff00006aa2bad0 x22: 0000000000000004 x21: ffff80000dc7cb18 x20: ffff00006aa2b840 x19: ffff000013310568 x18: ffff00006aa28bfc x17: ffff80005ce09000 x16: ffff800008008000 x15: 0000000000008000 x14: 1ffff000021aee44 x13: 0000000000000002 x12: ffff7000021aee73 x11: 1ffff000021aee72 x10: ffff7000021aee72 x9 : dfff800000000000 x8 : ffff800010d77397 x7 : ffff0000133125e8 x6 : 1ffff000021aee92 x5 : 00000000f1f1f1f1 x4 : 0000000000000000 x3 : 1fffe000026624bd x2 : 0000000000000003 x1 : dfff800000000000 x0 : 0000000000000000 Call trace: isotp_tx_timer_handler+0x574/0xaa0 net/can/isotp.c:763 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x564/0xdec kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x134/0x2d0 kernel/time/hrtimer.c:1766 _stext+0x3f4/0xff8 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 irq_exit_rcu+0x14/0x80 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:439 [inline] el1_interrupt+0x38/0x80 arch/arm64/kernel/entry-common.c:460 el1h_64_irq_handler+0x18/0x2c arch/arm64/kernel/entry-common.c:465 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:568 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1330 [inline] finish_lock_switch kernel/sched/core.c:4755 [inline] finish_task_switch.isra.0+0x1f0/0x7ec kernel/sched/core.c:4873 context_switch kernel/sched/core.c:4998 [inline] __schedule+0x848/0x1c24 kernel/sched/core.c:6304 schedule+0xb8/0x22c kernel/sched/core.c:6377 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x180/0x510 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x180/0x2e0 kernel/time/hrtimer.c:2097 common_nsleep+0x78/0xd0 kernel/time/posix-timers.c:1227 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline] __arm64_sys_clock_nanosleep+0x208/0x320 kernel/time/posix-timers.c:1245 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142 do_el0_svc+0xa0/0xcc arch/arm64/kernel/syscall.c:181 el0_svc+0x64/0x290 arch/arm64/kernel/entry-common.c:603 el0t_64_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:621 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:572 irq event stamp: 81970389 hardirqs last enabled at (81970388): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (81970388): [] _raw_spin_unlock_irqrestore+0x108/0x180 kernel/locking/spinlock.c:194 hardirqs last disabled at (81970389): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:375 softirqs last enabled at (81970364): [] arch_test_and_clear_bit include/asm-generic/bitops/atomic.h:56 [inline] softirqs last enabled at (81970364): [] test_and_clear_bit include/asm-generic/bitops/instrumented-atomic.h:86 [inline] softirqs last enabled at (81970364): [] test_and_clear_ti_thread_flag include/linux/thread_info.h:113 [inline] softirqs last enabled at (81970364): [] fpsimd_restore_current_state+0x48/0x120 arch/arm64/kernel/fpsimd.c:1247 softirqs last disabled at (81970385): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (81970385): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (81970385): [] __irq_exit_rcu+0x208/0x4f0 kernel/softirq.c:637 ---[ end trace 0000000000000000 ]---