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: 10631 Comm: syz-executor.3 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: ffff8880a0bf0000 R09: ffffed1015d26c84 R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: ffff8880899a72c0 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00005555563ab940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000006a982000 CR4: 00000000001406e0 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+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:__read_once_size include/linux/compiler.h:194 [inline] RIP: 0010:__ref_is_percpu include/linux/percpu-refcount.h:153 [inline] RIP: 0010:percpu_ref_put_many+0x6e/0x190 include/linux/percpu-refcount.h:282 Code: d6 ee 07 00 0f 84 a6 00 00 00 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 06 01 00 00 <49> 8b 44 24 08 a8 03 0f 85 b8 00 00 00 48 f7 db 65 48 01 18 e8 49 RSP: 0018:ffff888071eaf268 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff815f61a4 RDX: 1ffff11013ee78ab RSI: 0000000000000004 RDI: ffff88809f73c558 RBP: ffff888071eaf278 R08: 1ffff11015d26c83 R09: ffffed1015d26c84 R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: ffff88809f73c550 R13: ffff888071eaf448 R14: ffff88809f73c540 R15: 0000000000000000 percpu_ref_put include/linux/percpu-refcount.h:301 [inline] css_put include/linux/cgroup.h:396 [inline] mem_cgroup_iter+0x909/0xaf0 mm/memcontrol.c:1090 shrink_node+0x3f4/0x1680 mm/vmscan.c:2689 shrink_zones mm/vmscan.c:2895 [inline] do_try_to_free_pages+0x3cb/0x11e0 mm/vmscan.c:2953 try_to_free_mem_cgroup_pages+0x2dd/0x9f0 mm/vmscan.c:3249 try_charge+0x5b9/0x1410 mm/memcontrol.c:2334 __memcg_kmem_charge_memcg+0x7c/0x130 mm/memcontrol.c:2691 memcg_kmem_charge_memcg include/linux/memcontrol.h:1314 [inline] memcg_charge_slab mm/slab.h:282 [inline] kmem_getpages mm/slab.c:1379 [inline] cache_grow_begin+0x402/0x650 mm/slab.c:2606 fallback_alloc+0x1fd/0x2d0 mm/slab.c:3153 ____cache_alloc_node+0x1be/0x1e0 mm/slab.c:3221 __do_cache_alloc mm/slab.c:3290 [inline] slab_alloc mm/slab.c:3318 [inline] kmem_cache_alloc+0x1e8/0x6f0 mm/slab.c:3488 ext4_alloc_inode+0x1f/0x640 fs/ext4/super.c:1073 alloc_inode+0x68/0x1e0 fs/inode.c:227 new_inode_pseudo+0x19/0xf0 fs/inode.c:916 new_inode+0x1f/0x40 fs/inode.c:945 __ext4_new_inode+0x377/0x5440 fs/ext4/ialloc.c:829 ext4_mkdir+0x3d5/0xdc0 fs/ext4/namei.c:2763 vfs_mkdir+0x42e/0x670 fs/namei.c:3815 do_mkdirat+0x234/0x2a0 fs/namei.c:3838 __do_sys_mkdir fs/namei.c:3854 [inline] __se_sys_mkdir fs/namei.c:3852 [inline] __x64_sys_mkdir+0x5c/0x80 fs/namei.c:3852 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458c37 Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd c3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ad c3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffddd84ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000000000003892c RCX: 0000000000458c37 RDX: 00007fffddd84b03 RSI: 00000000000001ff RDI: 00007fffddd84b00 RBP: 0000000000000008 R08: 0000000000000080 R09: 0000000000000003 R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000001b R13: 00007fffddd84af0 R14: 00000000000385ec R15: 00007fffddd84b00 Modules linked in: ---[ end trace 150ac21d7ad73f48 ]--- 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: ffff8880a0bf0000 R09: ffffed1015d26c84 R10: ffffed1015d26c83 R11: ffff8880ae93641b R12: ffff8880899a72c0 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00005555563ab940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000006a982000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400