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mcba_usb 2-1:0.0 can0: Unsupported msg (0xB1) mcba_usb 2-1:0.0 can0: Unsupported msg (0x91) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at kernel/softirq.c:363 __local_bh_enable_ip+0xba/0x120 kernel/softirq.c:363 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.17.0-rc5-next-20220222-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__local_bh_enable_ip+0xba/0x120 kernel/softirq.c:363 Code: 45 bf 01 00 00 00 e8 e5 52 09 00 e8 20 e7 37 00 fb 65 8b 05 28 df ba 7e 85 c0 74 58 5b 5d c3 65 8b 05 76 e6 ba 7e 85 c0 75 a2 <0f> 0b eb 9e e8 4d e5 37 00 eb 9f 48 89 ef e8 53 67 16 00 eb a8 0f RSP: 0018:ffffc90000007978 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffffffff1b2aad1 RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff87303d27 RBP: ffffffff87303d27 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff87303f88 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88801eb9b450 R14: dffffc0000000000 R15: ffff888024290cc0 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d8585ba950 CR3: 0000000074d3d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> local_bh_enable include/linux/bottom_half.h:33 [inline] netif_rx+0x10d/0x530 net/core/dev.c:4878 mcba_usb_process_can drivers/net/can/usb/mcba_usb.c:461 [inline] mcba_usb_process_rx drivers/net/can/usb/mcba_usb.c:542 [inline] mcba_usb_read_bulk_callback+0x55e/0xe70 drivers/net/can/usb/mcba_usb.c:603 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747 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+0x67c/0xa30 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 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:116 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:556 Code: 89 de e8 4d 3a 27 f8 84 db 75 ac e8 c4 37 27 f8 e8 9f 7d 2d f8 eb 0c e8 b8 37 27 f8 0f 00 2d 41 fa bf 00 e8 ac 37 27 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 87 3b 27 f8 48 85 db RSP: 0018:ffffffff8b807d60 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8b8bc840 RSI: ffffffff8951fa24 RDI: 0000000000000000 RBP: ffff8881423e7864 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817f77e8 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8881423e7800 R14: ffff8881423e7864 R15: ffff888145d4f004 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:692 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x47f/0x4a0 init/main.c:1140 secondary_startup_64_no_verify+0xc3/0xcb </TASK> ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 4d 3a 27 f8 callq 0xf8273a54 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 c4 37 27 f8 callq 0xf82737d4 10: e8 9f 7d 2d f8 callq 0xf82d7db4 15: eb 0c jmp 0x23 17: e8 b8 37 27 f8 callq 0xf82737d4 1c: 0f 00 2d 41 fa bf 00 verw 0xbffa41(%rip) # 0xbffa64 23: e8 ac 37 27 f8 callq 0xf82737d4 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 87 3b 27 f8 callq 0xf8273bc4 3d: 48 85 db test %rbx,%rbx
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/02/23 12:25 | linux-next | 196d330d7fb1 | 6e821dbf | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | WARNING in netif_rx | |||
2022/02/23 06:22 | linux-next | 196d330d7fb1 | 6e821dbf | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | WARNING in netif_rx |