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: 8964 Comm: syz-executor534 Not tainted 5.2.0-rc6+ #76 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 81 d2 5c 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:ffff8880ae809c50 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff871403d7 RDX: 0000000000000002 RSI: ffffffff8713f08f RDI: 0000000000000000 RBP: ffff8880ae809cc8 R08: ffff88809b9d0080 R09: ffffed1015d06c70 R10: ffffed1015d06c6f R11: ffff8880ae83637b R12: ffff8880a0344ac0 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f8a87f19700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8a87f18e78 CR3: 000000009d387000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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+0x25c/0x94c 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:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:102 Code: 90 90 90 90 55 48 89 e5 48 8b 75 08 65 48 8b 04 25 c0 fd 01 00 65 8b 15 60 3a 91 7e 81 e2 00 01 1f 00 75 2b 8b 90 e0 12 00 00 <83> fa 02 75 20 48 8b 88 e8 12 00 00 8b 80 e4 12 00 00 48 8b 11 48 RSP: 0018:ffff88809bc9f488 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88809b9d0080 RBX: ffff88809bc9f5a0 RCX: ffff88809b9d0900 RDX: 0000000000000000 RSI: ffffffff81f41268 RDI: ffff88809b9d00a4 RBP: ffff88809bc9f488 R08: ffff88809b9d0080 R09: ffffed1015d06c70 R10: ffffed1015d06c6f R11: ffff8880ae83637b R12: ffff888091a72830 R13: 0000000000000002 R14: ffff88809a70aa40 R15: 0000000000007fff trace_ext4_mark_inode_dirty include/trace/events/ext4.h:249 [inline] ext4_mark_inode_dirty+0x118/0x940 fs/ext4/inode.c:6039 ext4_dirty_inode+0x8f/0xc0 fs/ext4/inode.c:6079 __mark_inode_dirty+0x915/0x1280 fs/fs-writeback.c:2161 mark_inode_dirty_sync include/linux/fs.h:2142 [inline] dquot_free_space include/linux/quotaops.h:373 [inline] dquot_free_block include/linux/quotaops.h:383 [inline] ext4_mb_new_blocks+0x1cb6/0x3c10 fs/ext4/mballoc.c:4582 ext4_ext_map_blocks+0x2b83/0x5250 fs/ext4/extents.c:4414 ext4_map_blocks+0x8c5/0x18e0 fs/ext4/inode.c:640 ext4_alloc_file_blocks+0x287/0xac0 fs/ext4/extents.c:4603 ext4_fallocate+0x8ba/0x2060 fs/ext4/extents.c:4888 vfs_fallocate+0x4aa/0xa50 fs/open.c:309 ioctl_preallocate+0x197/0x210 fs/ioctl.c:490 file_ioctl fs/ioctl.c:506 [inline] do_vfs_ioctl+0x1170/0x1380 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4481f9 Code: e8 3c e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8a87f18d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006dec38 RCX: 00000000004481f9 RDX: 0000000020000040 RSI: 0000000040305828 RDI: 0000000000000003 RBP: 00000000006dec30 R08: 00007f8a87f19700 R09: 0000000000000000 R10: 00007f8a87f19700 R11: 0000000000000246 R12: 00000000006dec3c R13: f4a25a5f72695f65 R14: 6761000000000000 R15: 00046c7465677568 Modules linked in: ---[ end trace 1501c3d3ce428e1b ]--- 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 81 d2 5c 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:ffff8880ae809c50 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff871403d7 RDX: 0000000000000002 RSI: ffffffff8713f08f RDI: 0000000000000000 RBP: ffff8880ae809cc8 R08: ffff88809b9d0080 R09: ffffed1015d06c70 R10: ffffed1015d06c6f R11: ffff8880ae83637b R12: ffff8880a0344ac0 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f8a87f19700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8a87f18e78 CR3: 000000009d387000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400