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 CPU: 0 PID: 5296 Comm: syz-executor.0 Not tainted 5.2.0+ #54 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:send_hsr_supervision_frame+0x38/0xf20 net/hsr/hsr_device.c:255 Code: 89 fd 41 54 53 48 83 ec 50 89 75 bc e8 31 bc 4b fa 49 8d 45 10 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 dc 0c 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b RSP: 0018:ffff8880ae809c58 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8726a287 RDX: 0000000000000002 RSI: ffffffff87268f3f RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffff8880822d2440 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff888073e3d740 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f14d979e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffce1ca1880 CR3: 0000000099074000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:339 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1322 expire_timers kernel/time/timer.c:1366 [inline] __run_timers kernel/time/timer.c:1685 [inline] __run_timers kernel/time/timer.c:1653 [inline] run_timer_softirq+0x697/0x17a0 kernel/time/timer.c:1698 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:537 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1095 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:828 </IRQ> RIP: 0010:arch_local_irq_restore+0x35/0x60 arch/x86/include/asm/paravirt.h:767 Code: 48 b9 00 00 00 00 00 fc ff df 48 c1 ea 03 48 89 e5 48 83 ec 08 80 3c 0a 00 75 18 48 83 3d b2 b7 2f 07 00 74 0c 48 89 c7 57 9d <0f> 1f 44 00 00 c9 c3 0f 0b 48 89 7d f8 48 c7 c7 10 e5 d2 88 e8 e2 RSP: 0018:ffff8880591af718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000286 RBX: dffffc0000000000 RCX: dffffc0000000000 RDX: 1ffffffff11a5ca2 RSI: 0000000000000006 RDI: 0000000000000286 RBP: ffff8880591af720 R08: ffff8880822d2440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880591af800 R13: ffff8880591af808 R14: ffff8880591af800 R15: 000000000000000f free_unref_page_list+0x5a6/0x7c0 mm/page_alloc.c:3110 release_pages+0xd9a/0x1a50 mm/swap.c:795 __pagevec_release+0x88/0x120 mm/swap.c:815 pagevec_release include/linux/pagevec.h:88 [inline] shmem_undo_range+0xde8/0x2160 mm/shmem.c:853 shmem_truncate_range+0x27/0xa0 mm/shmem.c:975 shmem_evict_inode+0x311/0xad0 mm/shmem.c:1075 evict+0x306/0x680 fs/inode.c:571 iput_final fs/inode.c:1560 [inline] iput+0x55d/0x900 fs/inode.c:1586 dentry_unlink_inode+0x2d9/0x400 fs/dcache.c:374 __dentry_kill+0x38b/0x600 fs/dcache.c:579 dentry_kill+0xd7/0x5e0 fs/dcache.c:698 dput+0x570/0x690 fs/dcache.c:859 __fput+0x424/0x890 fs/file_table.c:293 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:185 [inline] exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413501 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007f14d979d9f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007f14d979e6d4 RCX: 0000000000413501 RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000000c R10: 0000000000000064 R11: 0000000000000293 R12: 0000000000000006 R13: 0000000000000000 R14: 0000000000000003 R15: 00000000ffffffff Modules linked in: ---[ end trace b15ec20a00a2878c ]--- RIP: 0010:send_hsr_supervision_frame+0x38/0xf20 net/hsr/hsr_device.c:255 Code: 89 fd 41 54 53 48 83 ec 50 89 75 bc e8 31 bc 4b fa 49 8d 45 10 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 dc 0c 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b RSP: 0018:ffff8880ae809c58 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8726a287 RDX: 0000000000000002 RSI: ffffffff87268f3f RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffff8880822d2440 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff888073e3d740 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f14d979e700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffce1ca1880 CR3: 0000000099074000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400