kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
EXT4-fs (loop4): Couldn't mount because of unsupported optional features (21ae1021)
CPU: 1 PID: 26932 Comm: syz-executor.2 Not tainted 4.19.36 #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104
Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 40 26
kobject: 'loop5' (000000001e675dd1): kobject_uevent_env
RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010202
kobject: 'loop1' (000000004ee8db6f): kobject_uevent_env
RAX: dffffc0000000000 RBX: ffff8882160c60c0 RCX: ffffffff86251d4b
RDX: 000000000000006b RSI: ffffffff86251e7c RDI: 0000000000000358
RBP: ffff8880ae907b18 R08: ffff888053334240 R09: ffffed1011bf8b6d
R10: ffffed1011bf8b6c R11: ffff88808dfc5b63 R12: 0000000000000000
R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a8756200
kobject: 'loop5' (000000001e675dd1): fill_kobj_path: path = '/devices/virtual/block/loop5'
FS:  0000000000d83940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
kobject: 'kvm' (00000000a299e9da): kobject_uevent_env
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 000000009bfa1000 CR4: 00000000001426e0
Call Trace:
 <IRQ>
 rose_transmit_clear_request+0x1de/0x2a0 net/rose/rose_link.c:258
kobject: 'loop1' (000000004ee8db6f): fill_kobj_path: path = '/devices/virtual/block/loop1'
 rose_rx_call_request+0x4f0/0x19a0 net/rose/af_rose.c:999
 rose_loopback_timer+0x270/0x3f0 net/rose/rose_loopback.c:100
 call_timer_fn+0x190/0x720 kernel/time/timer.c:1326
kobject: 'kvm' (00000000a299e9da): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000a299e9da): kobject_uevent_env
kobject: 'kvm' (00000000a299e9da): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (00000000a299e9da): kobject_uevent_env
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers kernel/time/timer.c:1682 [inline]
 __run_timers kernel/time/timer.c:1650 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1695
 __do_softirq+0x266/0x92f kernel/softirq.c:292
kobject: 'kvm' (00000000a299e9da): fill_kobj_path: path = '/devices/virtual/misc/kvm'
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:867
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x54/0x90 kernel/locking/spinlock.c:192
Code: c0 18 33 72 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d ed 6c 83 01 00 74 20 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 a2 a1 5a fa 65 8b 05 8b 27 13 79 85 c0 74 06 41
kobject: 'kvm' (00000000a299e9da): kobject_uevent_env
RSP: 0018:ffff888095aa7b18 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff10e4663 RBX: ffff888053334240 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff888053334abc
RBP: ffff888095aa7b20 R08: ffff888053334240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae92cd80
R13: ffff8880a9862140 R14: ffff88809a2703c0 R15: 0000000000000402
 finish_lock_switch kernel/sched/core.c:2576 [inline]
 finish_task_switch+0x146/0x790 kernel/sched/core.c:2676
kobject: 'kvm' (00000000a299e9da): fill_kobj_path: path = '/devices/virtual/misc/kvm'
 context_switch kernel/sched/core.c:2829 [inline]
 __schedule+0x81b/0x1d00 kernel/sched/core.c:3474
 schedule+0x92/0x1c0 kernel/sched/core.c:3518
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x201/0x6a0 kernel/time/hrtimer.c:1688
 hrtimer_nanosleep+0x2a6/0x570 kernel/time/hrtimer.c:1742
 __do_sys_nanosleep kernel/time/hrtimer.c:1776 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1763 [inline]
 __x64_sys_nanosleep+0x1a6/0x220 kernel/time/hrtimer.c:1763
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4863f0
Code: 00 00 48 c7 c0 d4 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb be 66 0f 1f 44 00 00 83 3d 61 03 5d 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 b4 e0 f8 ff c3 48 83 ec 08 e8 ea 53 fd ff
RSP: 002b:00007ffd87e07168 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 00000000001f5f1d RCX: 00000000004863f0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd87e07170
RBP: 00000000000022ff R08: 0000000000000001 R09: 0000000000d83940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007
R13: 00007ffd87e071c0 R14: 00000000001f5edd R15: 00007ffd87e071d0
Modules linked in:
---[ end trace 577956cd2c33cdf3 ]---
RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104
Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 40 26
RSP: 0018:ffff8880ae907ae8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8882160c60c0 RCX: ffffffff86251d4b
RDX: 000000000000006b RSI: ffffffff86251e7c RDI: 0000000000000358
RBP: ffff8880ae907b18 R08: ffff888053334240 R09: ffffed1011bf8b6d
R10: ffffed1011bf8b6c R11: ffff88808dfc5b63 R12: 0000000000000000
R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a8756200
FS:  0000000000d83940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 000000009bfa1000 CR4: 00000000001426e0