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: 25715 Comm: syz-executor.2 Not tainted 5.2.0+ #40 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 11 07 54 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: ffffffff871d8677 RDX: 0000000000000002 RSI: ffffffff871d732f RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffff88806c920080 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff888095302d40 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e228000 CR3: 0000000008c6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:339 call_timer_fn+0x193/0x720 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+0x66f/0x1740 kernel/time/timer.c:1698 __do_softirq+0x25e/0x913 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:537 [inline] smp_apic_timer_interrupt+0x171/0x5a0 arch/x86/kernel/apic/apic.c:1095 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:828 RIP: 0010:rcu_dynticks_curr_cpu_in_eqs+0x38/0xb0 kernel/rcu/tree.c:298 Code: 48 83 ec 08 e8 99 5d d8 01 48 ba 00 00 00 00 00 fc ff df 89 c0 48 8d 3c c5 00 21 97 88 48 89 f9 48 c1 e9 03 80 3c 11 00 75 63 <48> 03 1c c5 00 21 97 88 be 04 00 00 00 4c 8d a3 d8 00 00 00 4c 89 RSP: 0018:ffff88808e87f8c0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000036340 RCX: 1ffffffff112e420 RDX: dffffc0000000000 RSI: ffffffff8337bf3c RDI: ffffffff88972100 RBP: ffff88808e87f8d8 R08: ffff88806c920080 R09: ffffffff89a28e70 R10: ffff88806c920938 R11: ffff88806c920080 R12: ffffea00019760c0 R13: ffffea00019760c8 R14: 0000000000000000 R15: dead000000000100 rcu_is_watching+0x10/0x30 kernel/rcu/tree.c:894 rcu_read_lock include/linux/rcupdate.h:593 [inline] lock_page_memcg+0x13d/0x240 mm/memcontrol.c:1983 page_remove_file_rmap mm/rmap.c:1218 [inline] page_remove_rmap+0x53d/0x1090 mm/rmap.c:1303 zap_pte_range mm/memory.c:1093 [inline] zap_pmd_range mm/memory.c:1195 [inline] zap_pud_range mm/memory.c:1224 [inline] zap_p4d_range mm/memory.c:1245 [inline] unmap_page_range+0xd3b/0x22f0 mm/memory.c:1266 unmap_single_vma+0x19d/0x300 mm/memory.c:1311 unmap_vmas+0x135/0x280 mm/memory.c:1343 exit_mmap+0x2ad/0x510 mm/mmap.c:3145 __mmput kernel/fork.c:1065 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1086 exit_mm kernel/exit.c:547 [inline] do_exit+0x816/0x2ef0 kernel/exit.c:864 do_group_exit+0x135/0x370 kernel/exit.c:981 __do_sys_exit_group kernel/exit.c:992 [inline] __se_sys_exit_group kernel/exit.c:990 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:990 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459819 Code: Bad RIP value. RSP: 002b:00007ffcfb7da018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000459819 RDX: 0000000000413501 RSI: fffffffffffffff7 RDI: 0000000000000000 RBP: 0000000000000000 R08: 000000004c11cc81 R09: 00007ffcfb7da070 R10: ffffffff8100a33d R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfb7da070 R14: 0000000000000000 R15: 00007ffcfb7da080 Modules linked in: ---[ end trace 0e25ed39539fabf2 ]--- 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 11 07 54 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: ffffffff871d8677 RDX: 0000000000000002 RSI: ffffffff871d732f RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffff88806c920080 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff888095302d40 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004597ef CR3: 0000000008c6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600