syzbot


KASAN: invalid-access Read in __packet_get_status

Status: auto-obsoleted due to no activity on 2025/04/09 23:22
Subsystems: kasan
[Documentation on labels]
Reported-by: syzbot+64b0f633159fde08e1f1@syzkaller.appspotmail.com
First crash: 756d, last: 274d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] KASAN: invalid-access Read in __packet_get_status 3 (5) 2023/12/20 22:24
Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/04/09 22:23 58m retest repro upstream OK log
2025/01/29 20:17 2h03m retest repro upstream report log
2024/11/20 20:11 0m retest repro upstream error
2024/10/14 18:24 26m retest repro upstream OK log
2024/09/11 19:59 10m retest repro upstream report log
2024/08/05 18:15 8m retest repro upstream report log
2024/07/03 19:48 10m retest repro upstream report log
2024/05/27 18:02 10m retest repro upstream report log
2024/04/24 19:38 8m retest repro upstream report log
2024/03/18 17:48 10m retest repro upstream report log

Sample crash report:
==================================================================
BUG: KASAN: invalid-access in __packet_get_status+0xb8/0x138 net/packet/af_packet.c:439
Read at addr f9f00000096e0000 by task syz.0.6722/23989
Pointer tag: [f9], memory tag: [f0]

CPU: 1 PID: 23989 Comm: syz.0.6722 Not tainted 6.10.0-rc7-syzkaller-00025-ga19ea421490d #0
Hardware name: linux,dummy-virt (DT)
Call trace:
 dump_backtrace+0x94/0xec arch/arm64/kernel/stacktrace.c:317
 show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x78/0x90 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x108/0x618 mm/kasan/report.c:488
 kasan_report+0x88/0xac mm/kasan/report.c:601
 report_tag_fault arch/arm64/mm/fault.c:331 [inline]
 do_tag_recovery arch/arm64/mm/fault.c:343 [inline]
 __do_kernel_fault+0x1a0/0x1dc arch/arm64/mm/fault.c:385
 do_bad_area arch/arm64/mm/fault.c:485 [inline]
 do_tag_check_fault+0x78/0x8c arch/arm64/mm/fault.c:750
 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:826
 el1_abort+0x40/0x60 arch/arm64/kernel/entry-common.c:432
 el1h_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:492
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:593
 __packet_get_status+0xb8/0x138 net/packet/af_packet.c:439
 packet_lookup_frame net/packet/af_packet.c:528 [inline]
 __tpacket_has_room net/packet/af_packet.c:1259 [inline]
 __packet_rcv_has_room+0xf8/0x188 net/packet/af_packet.c:1300
 tpacket_rcv+0x158/0xbd0 net/packet/af_packet.c:2286
 dev_queue_xmit_nit+0x284/0x2c8 net/core/dev.c:2343
 xmit_one net/core/dev.c:3574 [inline]
 dev_hard_start_xmit+0x7c/0x118 net/core/dev.c:3594
 __dev_queue_xmit+0x1c0/0xea8 net/core/dev.c:4393
 dev_queue_xmit include/linux/netdevice.h:3095 [inline]
 hsr_xmit net/hsr/hsr_forward.c:389 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:529 [inline]
 hsr_forward_skb+0x3ac/0x758 net/hsr/hsr_forward.c:686
 send_hsr_supervision_frame+0x12c/0x250 net/hsr/hsr_device.c:343
 hsr_announce+0x50/0xac net/hsr/hsr_device.c:399
 call_timer_fn.constprop.0+0x24/0x80 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers+0x218/0x254 kernel/time/timer.c:2417
 __run_timer_base kernel/time/timer.c:2428 [inline]
 __run_timer_base kernel/time/timer.c:2421 [inline]
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0x8c/0xfc kernel/time/timer.c:2447
 handle_softirqs+0x10c/0x240 kernel/softirq.c:554
 __do_softirq+0x14/0x20 kernel/softirq.c:588
 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:81
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889
 do_softirq_own_stack+0x1c/0x28 arch/arm64/kernel/irq.c:86
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbc/0xd8 kernel/softirq.c:649
 __el1_irq arch/arm64/kernel/entry-common.c:537 [inline]
 el1_interrupt+0x38/0x64 arch/arm64/kernel/entry-common.c:551
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline]
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline]
 finish_lock_switch kernel/sched/core.c:5162 [inline]
 finish_task_switch.isra.0+0x74/0x248 kernel/sched/core.c:5280
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x324/0x888 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x34/0x104 kernel/sched/core.c:6837
 do_nanosleep.constprop.0+0x7c/0x138 kernel/time/hrtimer.c:2030
 hrtimer_nanosleep+0xa4/0x114 kernel/time/hrtimer.c:2083
 common_nsleep+0x44/0x6c kernel/time/posix-timers.c:1350
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep kernel/time/posix-timers.c:1373 [inline]
 __arm64_sys_clock_nanosleep+0xcc/0x144 kernel/time/posix-timers.c:1373
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x48/0x118 arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:150
 el0_svc+0x34/0xf8 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598

The buggy address belongs to the physical page:
page: refcount:9 mapcount:1 mapping:0000000000000000 index:0xfaf00000096e6000 pfn:0x496e0
head: order:3 mapcount:8 entire_mapcount:0 nr_pages_mapped:8 pincount:0
flags: 0x1ffc18003000040(head|arch_2|arch_3|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x6)
raw: 01ffc18003000040 0000000000000000 dead000000000122 0000000000000000
raw: faf00000096e6000 0000000000000000 0000000900000000 0000000000000000
head: 01ffc18003000040 0000000000000000 dead000000000122 0000000000000000
head: faf00000096e6000 0000000000000000 0000000900000000 0000000000000000
head: 01ffc18003000003 ffffc1ffc025b801 ffffffff00000007 0000000000000008
head: f2f0000000000008 0000000000000000 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 fff00000096dfe00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 fff00000096dff00: f8 f8 f8 f8 fe fe fe fe fe fe fe fe fe fe fe fe
>fff00000096e0000: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
                   ^
 fff00000096e0100: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
 fff00000096e0200: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0
==================================================================

Crashes (64):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/11 07:13 upstream a19ea421490d c699c2eb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/03/29 15:16 upstream 317c7bc0ef03 c52bcb23 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/03/29 10:47 upstream 317c7bc0ef03 c52bcb23 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/03/27 11:38 upstream 7033999ecd7b 454571b6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/25 14:46 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/25 12:49 upstream ab0a97cffa0b 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/24 12:00 upstream 603c04e27c3e 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/23 18:19 upstream b6d69282db55 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/23 08:35 upstream ffd2cb6b718e 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/23 04:19 upstream ffd2cb6b718e 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/22 23:32 upstream 1c892cdd8fe0 bbb79582 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/22 17:38 upstream 39133352cbed bbb79582 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/22 03:55 upstream 39133352cbed 345111b5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/17 11:52 upstream c1ca10ceffbb 578f7538 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/02/16 11:49 upstream 4f5e5092fdbf 578f7538 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/31 19:24 upstream 1bbb19b6eb1b 373b66cd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/31 00:28 upstream 861c0981648f 373b66cd .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/30 16:36 upstream 861c0981648f 7f400fcb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/30 05:59 upstream 861c0981648f 991a98f4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/29 16:49 upstream 41bccc98fb79 991a98f4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/29 09:43 upstream 41bccc98fb79 991a98f4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/28 19:41 upstream 4854cf9c61d0 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/28 08:09 upstream 8a696a29c690 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/27 17:34 upstream 3a5879d495b2 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/26 04:13 upstream ecb1b8288dc7 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/25 15:02 upstream 6098d87eaf31 cc4a4020 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/25 03:03 upstream 4759ff71f23e 1e153dc8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/24 03:05 upstream 615d30064886 1e153dc8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/23 18:25 upstream 7ed2632ec7d7 bf3b32eb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/23 17:28 upstream 7ed2632ec7d7 bf3b32eb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/23 09:58 upstream 7ed2632ec7d7 1c0ecc51 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/23 02:43 upstream 610347effc2e 1c0ecc51 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/22 19:32 upstream 610347effc2e 1c0ecc51 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/22 04:36 upstream 4fbbed787267 9bd8dcda .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/21 00:46 upstream 125514880ddd 9bd8dcda .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/20 19:24 upstream 125514880ddd 9bd8dcda .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/20 13:22 upstream 9d64bf433c53 9bd8dcda .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/20 11:46 upstream 9d64bf433c53 9bd8dcda .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/20 08:07 upstream 9d64bf433c53 9bd8dcda .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/19 05:24 upstream b0d326da462e 21772ce4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/18 22:56 upstream b0d326da462e 21772ce4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/18 18:15 upstream 296455ade1fd 239abf84 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/18 14:54 upstream 296455ade1fd 239abf84 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/18 07:13 upstream 1b1934dbbdcf 915053c7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/18 01:59 upstream 1b1934dbbdcf 915053c7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2024/01/17 15:22 upstream 052d534373b7 c9a1c95b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/19 12:34 upstream 2d1bcbc6cd70 3bb7af1d .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/07/01 19:38 upstream 3a8a670eeeaa bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/07/01 00:15 upstream 3a8a670eeeaa af3053d2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/23 18:14 upstream 8a28a0b6f1a1 79782afc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/23 18:04 upstream 8a28a0b6f1a1 79782afc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/16 04:34 upstream b6dad5178cea f3921d4d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/12 05:24 upstream 4c605260bc60 49519f06 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/06 08:43 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/06 08:42 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/06/06 08:23 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/27 23:49 upstream 49572d536129 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/27 23:31 upstream 49572d536129 cf184559 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/26 23:29 upstream 0d85b27b0cc6 1497c3f6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/19 10:09 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/19 09:39 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/19 09:39 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
2023/05/19 09:12 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in __packet_get_status
* Struck through repros no longer work on HEAD.