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🐞 Open [975] 🐞 Fixed [3869] 🐞 Invalid [8348] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.14 | KASAN: slab-out-of-bounds Read in tcp_retransmit_timer | 5 | 416d | 491d | 0/1 | auto-closed as invalid on 2021/09/06 04:07 | |||
upstream | KASAN: use-after-free Read in tcp_retransmit_timer (5) | C | unreliable | 15981 | 1d00h | 856d | 21/22 | upstream: reported C repro on 2020/02/24 07:40 | |
linux-4.19 | KASAN: use-after-free Read in tcp_retransmit_timer (2) | 6 | 345d | 512d | 0/1 | auto-closed as invalid on 2021/11/16 03:14 | |||
linux-4.19 | KASAN: slab-out-of-bounds Read in tcp_retransmit_timer | 9 | 23d | 202d | 0/1 | upstream: reported on 2021/12/09 10:25 |
================================================================== BUG: KASAN: slab-out-of-bounds in tcp_retransmit_timer+0x6e9/0x1cb0 net/ipv4/tcp_timer.c:500 Read of size 8 at addr ffff888094a5a350 by task syz-executor.3/11021 CPU: 1 PID: 11021 Comm: syz-executor.3 Not tainted 5.9.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d6/0x29e lib/dump_stack.c:118 print_address_description+0x66/0x620 mm/kasan/report.c:383 __kasan_report mm/kasan/report.c:513 [inline] kasan_report+0x132/0x1d0 mm/kasan/report.c:530 tcp_retransmit_timer+0x6e9/0x1cb0 net/ipv4/tcp_timer.c:500 tcp_write_timer_handler+0x1dc/0x8c0 net/ipv4/tcp_timer.c:611 tcp_write_timer+0x168/0x280 net/ipv4/tcp_timer.c:631 call_timer_fn+0x91/0x160 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers+0x65e/0x830 kernel/time/timer.c:1755 run_timer_softirq+0x46/0x80 kernel/time/timer.c:1768 __do_softirq+0x256/0x6d5 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x8f/0xe0 arch/x86/kernel/irq_64.c:77 do_softirq+0x102/0x150 kernel/softirq.c:343 __local_bh_enable_ip+0x17f/0x1c0 kernel/softirq.c:195 get_next_corpse net/netfilter/nf_conntrack_core.c:2226 [inline] nf_ct_iterate_cleanup+0x307/0x390 net/netfilter/nf_conntrack_core.c:2249 nf_ct_iterate_cleanup_net+0xfc/0x150 net/netfilter/nf_conntrack_core.c:2334 masq_device_event+0x9b/0xd0 net/netfilter/nf_nat_masquerade.c:88 notifier_call_chain kernel/notifier.c:83 [inline] __raw_notifier_call_chain kernel/notifier.c:361 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368 __dev_notify_flags+0x253/0x4d0 net/core/dev.c:2033 dev_change_flags+0xe3/0x190 net/core/dev.c:8424 dev_ifsioc+0xc7/0xac0 net/core/dev_ioctl.c:265 dev_ioctl+0x4d1/0xc70 net/core/dev_ioctl.c:511 sock_do_ioctl+0x169/0x260 net/socket.c:1070 sock_ioctl+0x4aa/0x690 net/socket.c:1198 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45de29 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f53c161bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000000133c0 RCX: 000000000045de29 RDX: 0000000020000340 RSI: 0000000000008914 RDI: 0000000000000005 RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffc2528cc3f R14: 00007f53c161c9c0 R15: 000000000118bfd4 Allocated by task 10941: kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc+0x100/0x130 mm/kasan/common.c:461 slab_post_alloc_hook+0x3e/0x290 mm/slab.h:518 slab_alloc mm/slab.c:3316 [inline] kmem_cache_alloc+0x1c1/0x2d0 mm/slab.c:3486 getname_flags+0xb8/0x610 fs/namei.c:138 user_path_at_empty+0x28/0x50 fs/namei.c:2646 user_path_at include/linux/namei.h:59 [inline] vfs_statx+0xb9/0x380 fs/stat.c:202 vfs_lstat include/linux/fs.h:3178 [inline] __do_sys_newlstat fs/stat.c:374 [inline] __se_sys_newlstat fs/stat.c:368 [inline] __x64_sys_newlstat+0x81/0xd0 fs/stat.c:368 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Freed by task 10941: kasan_save_stack mm/kasan/common.c:48 [inline] kasan_set_track+0x3d/0x70 mm/kasan/common.c:56 kasan_set_free_info+0x17/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0xdd/0x110 mm/kasan/common.c:422 __cache_free mm/slab.c:3422 [inline] kmem_cache_free+0x82/0xf0 mm/slab.c:3697 putname fs/namei.c:259 [inline] filename_lookup+0x410/0x5d0 fs/namei.c:2376 user_path_at include/linux/namei.h:59 [inline] vfs_statx+0xb9/0x380 fs/stat.c:202 vfs_lstat include/linux/fs.h:3178 [inline] __do_sys_newlstat fs/stat.c:374 [inline] __se_sys_newlstat fs/stat.c:368 [inline] __x64_sys_newlstat+0x81/0xd0 fs/stat.c:368 do_syscall_64+0x31/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 The buggy address belongs to the object at ffff888094a5ae00 which belongs to the cache names_cache of size 4096 The buggy address is located 2736 bytes to the left of 4096-byte region [ffff888094a5ae00, ffff888094a5be00) The buggy address belongs to the page: page:00000000644f8c62 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94a5a head:00000000644f8c62 order:1 compound_mapcount:0 flags: 0xfffe0000010200(slab|head) raw: 00fffe0000010200 ffffea0001556308 ffffea00011e0388 ffff8880aa624d00 raw: 0000000000000000 ffff888094a5ae00 0000000100000001 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888094a5a200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888094a5a280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888094a5a300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888094a5a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888094a5a400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce-smack-root | 2020/10/06 06:02 | upstream | 7575fdda569b | 1880b4a9 | .config | log | report | info | |||
ci-upstream-kasan-gce-root | 2020/09/29 23:25 | upstream | ccc1d052eff9 | 5abc3f1a | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/10/19 18:34 | bpf | 9ff9b0d392ea | ff4a3345 | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/10/16 15:14 | bpf | 28802e7c0c99 | 6e262c73 | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/10/15 13:48 | bpf | 28802e7c0c99 | 63869021 | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/10/13 00:54 | bpf | 28802e7c0c99 | d32b0bbf | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/10/05 06:37 | bpf | d82a532a6115 | 5ef9c291 | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/09/26 17:51 | bpf | 87f92ac4c127 | 2d5ea0cb | .config | log | report | info | |||
ci-upstream-bpf-kasan-gce | 2020/09/12 05:01 | bpf | fde6dedfb794 | 79fb24e2 | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/09/09 18:51 | bpf | 746f534a4809 | 0ea7a887 | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/09/07 21:17 | bpf | e6135df45e21 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/09/07 00:24 | bpf | e6135df45e21 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/09/06 08:18 | bpf | e6135df45e21 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/31 11:45 | bpf | fa4505675e09 | d5a3ae1f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/30 11:59 | bpf | fa4505675e09 | d5a3ae1f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/29 10:08 | bpf | fa4505675e09 | d5a3ae1f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/29 03:35 | bpf | fa4505675e09 | d5a3ae1f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/28 22:17 | bpf | fa4505675e09 | d5a3ae1f | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/25 15:00 | bpf | 7787b6fc938e | 344da168 | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/22 12:03 | bpf | 4af7b32f84aa | 6436ce4b | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/08/22 02:42 | bpf | 4af7b32f84aa | 6436ce4b | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/07/07 07:40 | bpf | ad4e2b648397 | 51095195 | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/07/03 07:19 | bpf | e708e2bd55c9 | bed10395 | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/06/25 09:42 | bpf | 4e15507fea70 | 54566aff | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/06/25 00:00 | bpf | 4e15507fea70 | 54566aff | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/06/12 15:06 | bpf | 2c4779eff837 | 58802067 | .config | log | report | ||||
ci-upstream-bpf-kasan-gce | 2020/04/18 05:39 | bpf | edadedf1c5b4 | 435c6d53 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/10/20 22:12 | bpf-next | 9ff9b0d392ea | ff4a3345 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/10/11 16:35 | bpf-next | ac53a0d3107c | 4a77ae0b | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/10/11 11:53 | bpf-next | ac53a0d3107c | 4a77ae0b | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/10/11 07:11 | bpf-next | ac53a0d3107c | 4a77ae0b | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/10/11 02:15 | bpf-next | ac53a0d3107c | 4a77ae0b | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/10/11 01:01 | bpf-next | ac53a0d3107c | 4a77ae0b | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/10/01 02:37 | bpf-next | b0efc216f577 | 8516f6d3 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/28 14:32 | bpf-next | ba5f4cfeac77 | 6bfdbe89 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/24 23:55 | bpf-next | 0789e13bc3f8 | 54289b08 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/24 20:17 | bpf-next | 0789e13bc3f8 | 54289b08 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/24 06:22 | bpf-next | 0789e13bc3f8 | 54289b08 | .config | log | report | info | |||
ci-upstream-net-kasan-gce | 2020/09/22 23:22 | net-next | 92ec804f3dbf | 3e8f6c27 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/20 10:42 | bpf-next | 70b971118e07 | 53ce8104 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/20 09:14 | bpf-next | 70b971118e07 | 53ce8104 | .config | log | report | info | |||
ci-upstream-bpf-next-kasan-gce | 2020/09/13 03:42 | bpf-next | 2bab48c5bef0 | ce441f06 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/11 17:04 | bpf-next | 18841da98100 | adfb8b4e | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/11 03:27 | bpf-next | 8081ede1f731 | 409809d8 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/10 06:16 | bpf-next | 7fb5eefd7639 | 409809d8 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/08 15:50 | bpf-next | bc0b5a03079b | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/07 05:08 | bpf-next | f9bec5d756b3 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/06 03:44 | bpf-next | f9bec5d756b3 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/05 19:58 | bpf-next | f9bec5d756b3 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/05 18:53 | bpf-next | f9bec5d756b3 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/05 03:39 | bpf-next | 95cec14b0308 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/04 05:49 | bpf-next | 83cf5c68d663 | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/09/02 19:14 | bpf-next | 968be23ceaca | abf9ba4f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/31 07:43 | bpf-next | 10496f261ed3 | d5a3ae1f | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/28 07:22 | bpf-next | 2e80be60c465 | 816e0689 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/27 22:23 | bpf-next | 2e80be60c465 | 816e0689 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/26 17:36 | bpf-next | cd04b04de119 | 318430cb | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/26 03:29 | bpf-next | 0fcdfffe8034 | 344da168 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/24 23:58 | bpf-next | 9c0f8cbdc0e9 | 67b599d1 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/08/22 15:46 | bpf-next | 9c0f8cbdc0e9 | 6436ce4b | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/06/29 03:55 | bpf-next | cb8e59cc8720 | a2cdad9d | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/06/18 17:46 | bpf-next | cb8e59cc8720 | d45a4d69 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/05/23 20:02 | bpf-next | a5dfaa2ab940 | 9682898d | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/05/22 13:32 | bpf-next | 29ae90d22175 | 5afa2ddd | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/05/20 05:51 | bpf-next | dda18a5c0b75 | 67fa1f59 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/05/17 08:19 | bpf-next | 96586dd9268d | 37bccd4e | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/04/15 11:59 | bpf-next | 1a323ea5356e | 3f3c5574 | .config | log | report | ||||
ci-upstream-bpf-next-kasan-gce | 2020/02/23 09:29 | bpf-next | 8eece07c011f | 2c36e7a7 | .config | log | report |