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: 1 PID: 27904 Comm: syz-executor.4 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:ffff8880ae909c58 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff871d8677 RDX: 0000000000000002 RSI: ffffffff871d732f RDI: 0000000000000000 RBP: ffff8880ae909cd0 R08: ffff8880896625c0 R09: ffffed1015d26c84 R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: ffff8880a6316b80 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00005555570cb940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046ee30 CR3: 0000000095a7a000 CR4: 00000000001406e0 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:lock_is_held_type+0x272/0x320 kernel/locking/lockdep.c:4453 Code: ff df c7 83 8c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 88 00 00 00 48 83 3d 76 73 7b 07 00 74 31 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 20 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d RSP: 0018:ffff888099ef79f0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11a5a9a RBX: ffff8880896625c0 RCX: ffff888089662e50 RDX: dffffc0000000000 RSI: ffffffff88da9a00 RDI: 0000000000000286 RBP: ffff888099ef7a38 R08: ffff8880896625c0 R09: ffffed1015d26c84 R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: 0000000000000000 R13: ffff888089662e78 R14: ffffffff88da9a00 R15: 0000000000000002 lock_is_held include/linux/lockdep.h:365 [inline] rcu_read_lock_sched_held+0x110/0x130 kernel/rcu/update.c:105 trace_block_touch_buffer include/trace/events/block.h:45 [inline] touch_buffer fs/buffer.c:59 [inline] __find_get_block+0xa35/0xcf0 fs/buffer.c:1300 sb_find_get_block include/linux/buffer_head.h:338 [inline] recently_deleted fs/ext4/ialloc.c:682 [inline] find_inode_bit.isra.0+0x202/0x510 fs/ext4/ialloc.c:722 __ext4_new_inode+0x1621/0x5440 fs/ext4/ialloc.c:914 ext4_symlink+0x443/0xf80 fs/ext4/namei.c:3262 vfs_symlink fs/namei.c:4127 [inline] vfs_symlink+0x373/0x5a0 fs/namei.c:4113 do_symlinkat+0x22b/0x290 fs/namei.c:4154 __do_sys_symlink fs/namei.c:4173 [inline] __se_sys_symlink fs/namei.c:4171 [inline] __x64_sys_symlink+0x59/0x80 fs/namei.c:4171 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459547 Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 bd ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 9d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc65fa5438 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000459547 RDX: 00007ffc65fa54d3 RSI: 00000000004bf07d RDI: 00007ffc65fa54c0 RBP: 0000000000000000 R08: 0000000000000080 R09: 0000000000000013 R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffc65fa5470 R14: 0000000000000000 R15: 00007ffc65fa5480 Modules linked in: ---[ end trace 7a74f7c85f52deb3 ]--- 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:ffff8880ae909c58 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff871d8677 RDX: 0000000000000002 RSI: ffffffff871d732f RDI: 0000000000000000 RBP: ffff8880ae909cd0 R08: ffff8880896625c0 R09: ffffed1015d26c84 R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: ffff8880a6316b80 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00005555570cb940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046ee30 CR3: 0000000095a7a000 CR4: 00000000001406e0