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BUG: unable to handle kernel paging request in dst_dev_put (2)

Status: upstream: reported syz repro on 2024/12/04 14:29
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+9911f8283beca191268b@syzkaller.appspotmail.com
First crash: 373d, last: 2d02h
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] BUG: unable to handle kernel paging request in dst_dev_put (2) 0 (2) 2025/03/23 10:30
▶ ▼ Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in dst_dev_put net 3 2174d 2316d 12/28 fixed on 2019/07/10 21:40
upstream general protection fault in dst_dev_put (6) net 40 1186d 1593d 0/28 auto-closed as invalid on 2022/06/10 11:20
linux-4.19 general protection fault in dst_dev_put 1 893d 893d 0/1 auto-obsoleted due to no activity on 2023/03/30 13:18
linux-4.14 general protection fault in dst_dev_put 1 822d 822d 0/1 upstream: reported on 2023/02/09 17:01
upstream general protection fault in dst_dev_put (2) net C done 442 2153d 2343d 12/28 fixed on 2019/07/10 21:40
upstream general protection fault in dst_dev_put (5) net 4 1688d 1714d 0/28 auto-closed as invalid on 2020/12/25 06:24
upstream general protection fault in dst_dev_put (4) net 1 1834d 1834d 0/28 closed as invalid on 2020/05/28 16:43
upstream general protection fault in dst_dev_put (3) net 1 2035d 2035d 0/28 auto-closed as invalid on 2020/01/14 01:13
upstream general protection fault in dst_dev_put net 1 2705d 2701d 0/28 closed as invalid on 2018/02/13 19:55
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/11/07 06:20 18m retest repro upstream OK log

Sample crash report:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.14.0-syzkaller-02665-g1e26c5e28ca5 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:dst_dev_put+0x27/0x290 net/core/dst.c:146
Code: 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 49 89 fd 49 bf 00 00 00 00 00 fc ff df e8 60 8f e5 f7 4d 89 ec 49 c1 ec 03 <43> 80 3c 3c 00 74 08 4c 89 ef e8 ca bb 4d f8 4d 8b 75 00 49 8d 7d
RSP: 0018:ffffc9000041f8d8 EFLAGS: 00010246
RAX: ffffffff89dde730 RBX: 0000000000000001 RCX: ffff88801caec880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 1ffffffff1cab054 R08: ffffffff8a87efd9 R09: 1ffff110025e50c0
R10: dffffc0000000000 R11: ffffed10025e50c1 R12: 0000000000000000
R13: 0000000000000001 R14: 00000000fffffff8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88808c825000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86df5ff000 CR3: 000000004ef8e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:201 [inline]
 fib_nh_common_release+0x1fc/0x420 net/ipv4/fib_semantics.c:212
 fib6_info_destroy_rcu+0xc0/0x1b0 net/ipv6/ip6_fib.c:177
 rcu_do_batch kernel/rcu/tree.c:2568 [inline]
 rcu_core+0xaac/0x17a0 kernel/rcu/tree.c:2824
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 run_ksoftirqd+0xcf/0x130 kernel/softirq.c:950
 smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dst_dev_put+0x27/0x290 net/core/dst.c:146
Code: 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 54 53 49 89 fd 49 bf 00 00 00 00 00 fc ff df e8 60 8f e5 f7 4d 89 ec 49 c1 ec 03 <43> 80 3c 3c 00 74 08 4c 89 ef e8 ca bb 4d f8 4d 8b 75 00 49 8d 7d
RSP: 0018:ffffc9000041f8d8 EFLAGS: 00010246
RAX: ffffffff89dde730 RBX: 0000000000000001 RCX: ffff88801caec880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 1ffffffff1cab054 R08: ffffffff8a87efd9 R09: 1ffff110025e50c0
R10: dffffc0000000000 R11: ffffed10025e50c1 R12: 0000000000000000
R13: 0000000000000001 R14: 00000000fffffff8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88808c825000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86df5ff000 CR3: 000000004ef8e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	f3 0f 1e fa          	endbr64
   7:	55                   	push   %rbp
   8:	41 57                	push   %r15
   a:	41 56                	push   %r14
   c:	41 55                	push   %r13
   e:	41 54                	push   %r12
  10:	53                   	push   %rbx
  11:	49 89 fd             	mov    %rdi,%r13
  14:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  1b:	fc ff df
  1e:	e8 60 8f e5 f7       	call   0xf7e58f83
  23:	4d 89 ec             	mov    %r13,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 80 3c 3c 00       	cmpb   $0x0,(%r12,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ef             	mov    %r13,%rdi
  34:	e8 ca bb 4d f8       	call   0xf84dbc03
  39:	4d 8b 75 00          	mov    0x0(%r13),%r14
  3d:	49                   	rex.WB
  3e:	8d                   	.byte 0x8d
  3f:	7d                   	.byte 0x7d

Crashes (1542):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/26 16:16 upstream 1e26c5e28ca5 19e40f48 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root general protection fault in dst_dev_put
2025/03/23 10:29 upstream 183601b78a9b 4e8d3850 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root general protection fault in dst_dev_put
2025/05/08 23:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c32f8dc5aaf9 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in dst_dev_put
2025/04/02 03:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a2392f333575 d863cf4b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in dst_dev_put
2025/03/17 19:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5618886fdab 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in dst_dev_put
2024/11/21 16:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7b1d1d4cfac0 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in dst_dev_put
2025/05/10 01:51 upstream 3013c33dcbd9 bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/05/08 05:56 upstream d76bb1ebb558 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/05/05 04:28 upstream 14c55b7bb0a8 b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/04/30 10:22 upstream 8bac8898fe39 85a5a23f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/04/26 16:13 upstream f1a3944c860b c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/04/22 22:46 upstream bc3372351d0c 53a8b9bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/04/20 12:30 upstream 119009db2674 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/04/18 19:57 upstream fc96b232f8e7 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/04/12 19:07 upstream 3bde70a2c827 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/04/08 21:22 upstream bec7dcbc242c a775275d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/27 14:30 upstream 1e1ba8d23dae 20510e88 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/03/26 15:45 upstream 2df0c02dab82 89d30d73 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/24 05:07 upstream 586de92313fc 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/23 11:38 upstream 183601b78a9b 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/23 03:50 upstream 183601b78a9b 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/19 13:36 upstream 81e4f8d68c66 8d0a2921 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in dst_dev_put
2025/03/17 10:17 upstream 4701f33a1070 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/17 07:29 upstream 4701f33a1070 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in dst_dev_put
2025/03/16 12:05 upstream 31d7109a19f6 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/03/14 08:39 upstream 4003c9e78778 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/13 17:42 upstream b7f94fcf5546 44be8b44 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/03/10 18:12 upstream 80e54e84911a 16256247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/07 01:53 upstream 0f52fd4f67c6 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/06 10:50 upstream bb2281fb05e5 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/04 22:35 upstream 48a5eed9ad58 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/04 07:53 upstream 99fa936e8e4f c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/02 22:56 upstream b91872c56940 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/02 21:12 upstream b91872c56940 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/03/02 15:18 upstream ece144f151ac c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/02/27 16:54 upstream dd83757f6e68 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/20 00:12 upstream 6537cfb395f3 b257a9b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/19 15:07 upstream 6537cfb395f3 cbd8edab .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/02/14 20:45 upstream 128c8f96eb86 1022af74 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/14 05:46 upstream 68763b29e0a6 d9a046cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/12 14:43 upstream 09fbf3d50205 b27c2402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/11 20:53 upstream febbc555cf0f f2baddf5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/02/11 14:35 upstream febbc555cf0f 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/11 11:57 upstream febbc555cf0f 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/10 15:13 upstream a64dcfb451e2 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/08 23:57 upstream 595ab66f1bec ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in dst_dev_put
2025/02/08 05:32 upstream 7ee983c850b4 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/08 00:30 upstream 7ee983c850b4 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/02/03 13:52 upstream 2014c95afece a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in dst_dev_put
2025/01/31 15:03 upstream 69e858e0b8b2 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in dst_dev_put
2025/01/15 08:59 upstream c3812b15000c 7315a7cf .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto general protection fault in dst_dev_put
2024/10/24 06:12 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in dst_dev_put
2024/10/04 12:38 upstream 0c559323bbaa d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in dst_dev_put
2025/01/17 17:58 upstream 9bffa1ad25b8 953d1c45 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 general protection fault in dst_dev_put
2024/10/16 11:52 upstream 2f87d0916ce0 bde2d81c .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci-snapshot-upstream-root general protection fault in dst_dev_put
2024/10/01 02:37 upstream e32cde8d2bd7 bbd4e0a4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in dst_dev_put
2024/06/26 11:31 upstream 55027e689933 dec8bc94 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in dst_dev_put
2024/12/22 03:35 bpf e84a3bf7f4aa d7f584ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce general protection fault in dst_dev_put
2025/02/08 15:56 linux-next ed58d103e6da ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in dst_dev_put
* Struck through repros no longer work on HEAD.