IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready BUG: unable to handle kernel paging request at ffffebe00106d608 PGD 0 P4D 0 Oops: 0000 [#1] SMP KASAN CPU: 0 PID: 4445 Comm: syz-executor0 Not tainted 4.18.0-rc3+ #48 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:virt_to_head_page include/linux/mm.h:638 [inline] RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline] RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 Code: 00 00 80 48 01 c2 72 43 48 b9 00 00 00 80 ff 77 00 00 48 01 ca 48 b9 00 00 00 00 00 ea ff ff 48 c1 ea 0c 48 c1 e2 06 48 01 ca <48> 8b 4a 08 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 18 e9 f4 fe RSP: 0000:ffff8801a9cb73b0 EFLAGS: 00010286 RAX: 0000000041b58ab3 RBX: 0000000000000282 RCX: ffffea0000000000 ================================================================== RDX: ffffebe00106d600 RSI: ffff8801b8ac8f60 RDI: 0000000000000282 BUG: KASAN: stack-out-of-bounds in is_idle_task include/linux/sched.h:1542 [inline] BUG: KASAN: stack-out-of-bounds in irq_enter+0xc9/0xd0 kernel/softirq.c:343 RBP: ffff8801a9cb73e8 R08: fffffbfff1205459 R09: fffffbfff1205458 Read of size 4 at addr ffff8801b3da81e4 by task „¥Šÿÿÿÿ€ÊÌ¥ˆÿÿ ÊÌ¥ˆÿÿ/-1513305440 R10: fffffbfff1205458 R11: ffffffff8902a2c3 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000041b58ab3 R15: ffffffff88f1b060 CPU: 1 PID: -1513305440 Comm: „¥Šÿÿÿÿ€ÊÌ¥ˆÿÿ ÊÌ¥ Not tainted 4.18.0-rc3+ #48 FS: 0000000001d8b940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Call Trace: CR2: ffffebe00106d608 CR3: 00000001bf7e9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: quarantine_reduce+0x163/0x1a0 mm/kasan/quarantine.c:259 kasan_kmalloc+0x99/0xe0 mm/kasan/kasan.c:538 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490 print_address_description+0x6c/0x20b mm/kasan/report.c:256 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3392 [inline] kmem_cache_alloc+0x11b/0x760 mm/slab.c:3552 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432 ptlock_alloc+0x20/0x80 mm/memory.c:4721 is_idle_task include/linux/sched.h:1542 [inline] irq_enter+0xc9/0xd0 kernel/softirq.c:343 ptlock_init include/linux/mm.h:1858 [inline] pgtable_page_ctor include/linux/mm.h:1892 [inline] pte_alloc_one+0x6b/0x1a0 arch/x86/mm/pgtable.c:38 entering_irq arch/x86/include/asm/apic.h:510 [inline] entering_ack_irq arch/x86/include/asm/apic.h:515 [inline] smp_apic_timer_interrupt+0xb6/0x730 arch/x86/kernel/apic/apic.c:1048 __pte_alloc+0x2a/0x3c0 mm/memory.c:654 do_anonymous_page mm/memory.c:3134 [inline] handle_pte_fault mm/memory.c:3970 [inline] __handle_mm_fault+0x37fd/0x4460 mm/memory.c:4096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 Allocated by task 3114748688: handle_mm_fault+0x53e/0xc80 mm/memory.c:4133 __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1396 do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1471 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:180 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 RSP: 0000:ffff8801a9cb7b88 EFLAGS: 00010202 RAX: ffffed0035396fb3 RBX: 0000000000000080 RCX: 0000000000000080 RDX: 0000000000000080 RSI: ffff8801a9cb7d18 RDI: 00007ffc541fff70 RBP: ffff8801a9cb7bc0 R08: ffffed0035396fb3 R09: ffffed0035396fa3 R10: ffffed0035396fb2 R11: ffff8801a9cb7d97 R12: 00007ffc541ffff0 R13: 00007ffc541fff70 R14: ffff8801a9cb7d18 R15: 00007ffffffff000 copy_to_user include/linux/uaccess.h:155 [inline] copy_siginfo_to_user+0x22/0x50 kernel/signal.c:2854 __setup_rt_frame arch/x86/kernel/signal.c:472 [inline] setup_rt_frame arch/x86/kernel/signal.c:706 [inline] handle_signal arch/x86/kernel/signal.c:750 [inline] do_signal+0x11fd/0x21c0 arch/x86/kernel/signal.c:818 exit_to_usermode_loop+0x2e0/0x370 arch/x86/entry/common.c:162 prepare_exit_to_usermode+0x342/0x3b0 arch/x86/entry/common.c:197 retint_user+0x8/0x18 RIP: 0033:0x455ba7 Code: 00 00 00 50 e9 be 88 ff ff ff ff b0 db 90 81 ff ff ff ff 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 00 11 ca 8d b6 20 c6 1e 86 a1 1e 37 00 f1 ff 1f c0 81 da b3 01 RSP: 002b:00007ffc542003c8 EFLAGS: 00010246 RAX: 00000000000000e7 RBX: 000000000000000b RCX: 00000000004812b0 RDX: 00000000004812b0 RSI: 00007ffc54200400 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 R13: 00000000000002f3 R14: 00007ffc54289950 R15: 0000000000016a33 Modules linked in: Dumping ftrace buffer: (ftrace buffer empty) CR2: ffffebe00106d608 ---[ end trace ae3c7fae2ecc0557 ]--- BUG: unable to handle kernel paging request at ffffffff8c3f6968 PGD 8e6d067 RIP: 0010:virt_to_head_page include/linux/mm.h:638 [inline] RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline] RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 P4D 8e6d067 Code: PUD 8e6e063 00 PMD 0 00 80 48 01 kasan: CONFIG_KASAN_INLINE enabled c2 kasan: GPF could be caused by NULL-ptr deref or user memory access 72 general protection fault: 0000 [#2] SMP KASAN 43 CPU: 1 PID: -1513305440 Comm: „¥Šÿÿÿÿ€ÊÌ¥ˆÿÿ ÊÌ¥ Tainted: G D 4.18.0-rc3+ #48 48 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 b9 RIP: 0010:no_context+0x2f4/0x980 arch/x86/mm/fault.c:800 00 00 Code: 00 00 80 48 89 ff fa 48 77 c1 00 e0 2a 00 48 48 01 c1 ca ea 03 48 80 b9 3c 02 00 00 00 0f 00 85 8c 00 06 00 00 00 ea 4d 8b ff 65 18 ff b8 48 ff c1 ff ea 37 0c 00 48 48 c1 c1 e2 e0 06 2a 48 01 4c ca 89 e2 <48> 48 8b c1 4a ea 08 03 48 <80> 8d 3c 71 02 00 ff 0f 83 85 61 e1 06 01 00 00 48 0f 4d 45 8b d6 4c 24 8b 24 6a 18 bf e9 9d f4 6e fe ac 57 RSP: 0000:ffff8801a9cb73b0 EFLAGS: 00010286 4c 89 RAX: 0000000041b58ab3 RBX: 0000000000000282 RCX: ffffea0000000000 e6 RDX: ffffebe00106d600 RSI: ffff8801b8ac8f60 RDI: 0000000000000282 RBP: ffff8801a9cb73e8 R08: fffffbfff1205459 R09: fffffbfff1205458 RSP: 0018:ffff8801daf07950 EFLAGS: 00010006 R10: fffffbfff1205458 R11: ffffffff8902a2c3 R12: 0000000000000000 RAX: dffffc0000000000 RBX: 1ffff1003b5e0f31 RCX: ffffffff81361d71 R13: 0000000000000000 R14: 0000000041b58ab3 R15: ffffffff88f1b060 RDX: 000000000836b156 RSI: 0000000000000008 RDI: ffff8801b3da81d8 FS: 0000000001d8b940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 RBP: ffff8801daf07a10 R08: ffff8801b3da81c0 R09: ffffed003b5e3ec2 R10: ffffed003b5e3ec2 R11: ffff8801daf1f617 R12: 0000000041b58ab3 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffff8801b3da81c0 R14: 0000000000000000 R15: ffff8801daf07d08 FS: 00007f77311d4700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CR2: ffffebe00106d608 CR3: 00000001bf7e9000 CR4: 00000000001406f0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CR2: ffffffff8c3f6968 CR3: 0000000008e6a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400