On Thu, 2 Jun 2022 at 12:02, syzbot <syzbot+1d1952c211a38ac43f10@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: c932edeaf6d6 riscv: dts: microchip: fix gpio1 reg property.. > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes > console output: https://syzkaller.appspot.com/x/log.txt?x=14de11edf00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=aa6b5702bdf14a17 > dashboard link: https://syzkaller.appspot.com/bug?extid=1d1952c211a38ac43f10 > compiler: riscv64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > userspace arch: riscv64 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+1d1952c211a38ac43f10@xxxxxxxxxxxxxxxxxxxxxxxxx This is the issue with riscv command line length we discussed in the other thread: https://lore.kernel.org/all/CACT4Y+bP+U2Co67SJG4qri=qHqCk38cq_JwGmo7m0s-8hCF8ww@xxxxxxxxxxxxxx/ > watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [swapper/0:1] > Modules linked in: > irq event stamp: 410297 > hardirqs last enabled at (410296): [<ffffffff8000ee74>] __trace_hardirqs_on+0x18/0x20 arch/riscv/kernel/trace_irq.c:19 > hardirqs last disabled at (410297): [<ffffffff8000ee94>] __trace_hardirqs_off+0x18/0x20 arch/riscv/kernel/trace_irq.c:25 > softirqs last enabled at (405886): [<ffffffff83207a08>] softirq_handle_end kernel/softirq.c:401 [inline] > softirqs last enabled at (405886): [<ffffffff83207a08>] __do_softirq+0x618/0x8fc kernel/softirq.c:587 > softirqs last disabled at (405891): [<ffffffff8006164a>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] > softirqs last disabled at (405891): [<ffffffff8006164a>] invoke_softirq kernel/softirq.c:439 [inline] > softirqs last disabled at (405891): [<ffffffff8006164a>] __irq_exit_rcu+0x142/0x1f8 kernel/softirq.c:637 > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.18.0-rc1-syzkaller #0 > Hardware name: riscv-virtio,qemu (DT) > epc : arch_static_branch arch/riscv/include/asm/jump_label.h:20 [inline] > epc : kfence_alloc include/linux/kfence.h:120 [inline] > epc : slab_alloc_node mm/slub.c:3135 [inline] > epc : kmem_cache_alloc_node+0xa0/0x3c6 mm/slub.c:3267 > ra : slab_pre_alloc_hook mm/slab.h:724 [inline] > ra : slab_alloc_node mm/slub.c:3131 [inline] > ra : kmem_cache_alloc_node+0x66/0x3c6 mm/slub.c:3267 > epc : ffffffff8047df56 ra : ffffffff8047df1c sp : ff200000002273b0 > gp : ffffffff85a76440 tp : ff60000007430000 t0 : 0000000000046000 > t1 : ffebffff014d10b7 t2 : ffffffff80668f62 s0 : ff20000000227450 > s1 : ff600000075a93c0 a0 : 0000000000000000 a1 : 0000000000000007 > a2 : 1ffffffff09c876c a3 : ffffffff80bec434 a4 : 0000000000000000 > a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ff6000000a6885bb > s2 : 0000000000000a20 s3 : 0000000000000000 s4 : 0000000000000a20 > s5 : ffffffffffffffff s6 : ffffffff8271f756 s7 : ffffffff85a9c780 > s8 : 00000000000000e8 s9 : ffffffff85a7c2c0 s10: 00000000000000ff > s11: ffffffffffffa288 t3 : fffffffff3f3f300 t4 : ffebffff014d10b7 > t5 : ffebffff014d10b8 t6 : ff6000001239fc00 > status: 0000000000000120 badaddr: 0000000000000000 cause: 8000000000000005 > [<ffffffff8271f756>] __alloc_skb+0x234/0x2e4 net/core/skbuff.c:414 > [<ffffffff81a42954>] alloc_skb include/linux/skbuff.h:1300 [inline] > [<ffffffff81a42954>] new_skb+0x2c/0xcc drivers/block/aoe/aoecmd.c:66 > [<ffffffff81a48ab2>] aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:425 [inline] > [<ffffffff81a48ab2>] aoecmd_cfg+0x1f6/0x5c6 drivers/block/aoe/aoecmd.c:1362 > [<ffffffff81a4bdfc>] discover_timer+0x4a/0x54 drivers/block/aoe/aoemain.c:24 > [<ffffffff8016c084>] call_timer_fn+0x164/0x694 kernel/time/timer.c:1421 > [<ffffffff8016ca9a>] expire_timers kernel/time/timer.c:1466 [inline] > [<ffffffff8016ca9a>] __run_timers.part.0+0x4e6/0x76e kernel/time/timer.c:1734 > [<ffffffff8016cda8>] __run_timers kernel/time/timer.c:1715 [inline] > [<ffffffff8016cda8>] run_timer_softirq+0x86/0x100 kernel/time/timer.c:1747 > [<ffffffff83207664>] __do_softirq+0x274/0x8fc kernel/softirq.c:558 > [<ffffffff8006164a>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] > [<ffffffff8006164a>] invoke_softirq kernel/softirq.c:439 [inline] > [<ffffffff8006164a>] __irq_exit_rcu+0x142/0x1f8 kernel/softirq.c:637 > [<ffffffff80061958>] irq_exit+0x10/0x7a kernel/softirq.c:661 > [<ffffffff831f7c8e>] generic_handle_arch_irq+0x48/0x54 kernel/irq/handle.c:240 > [<ffffffff800057b2>] ret_from_exception+0x0/0x10 > [<ffffffff8047df1c>] slab_pre_alloc_hook mm/slab.h:724 [inline] > [<ffffffff8047df1c>] slab_alloc_node mm/slub.c:3131 [inline] > [<ffffffff8047df1c>] kmem_cache_alloc_node+0x66/0x3c6 mm/slub.c:3267 > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000044cc505e0741a4b%40google.com.