syzbot


general protection fault in dev_map_enqueue

Status: upstream: reported C repro on 2024/03/26 23:53
Bug presence: origin:lts
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+74f0fe424da0b5228a6f@syzkaller.appspotmail.com
First crash: 318d, last: 14h06m
Bug presence (2)
Date Name Commit Repro Result
2024/12/14 lts (merge base) 0d968ced7330 C [report] general protection fault in dev_map_enqueue
2024/12/14 upstream (ToT) a0e3919a2df2 C Didn't crash
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-15 general protection fault in dev_map_enqueue 1 15d 15d 0/2 premoderation: reported on 2025/01/23 18:09
upstream general protection fault in dev_map_enqueue bpf net C 676 261d 318d 25/28 fixed on 2024/05/22 23:26
linux-6.1 general protection fault in dev_map_enqueue origin:upstream missing-backport C unreliable 171 2d14h 318d 0/3 upstream: reported C repro on 2024/03/26 19:03
upstream general protection fault in dev_map_enqueue (2) bpf net C error done 336 191d 257d 28/28 fixed on 2024/11/12 23:31

Sample crash report:
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 304 Comm: syz-executor139 Not tainted 6.1.118-syzkaller-00078-ge2b9748880b9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:dev_map_enqueue+0x31/0x340 kernel/bpf/devmap.c:532
Code: 56 41 55 41 54 53 48 83 ec 18 48 89 55 c0 49 89 f7 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 16 ff dd ff 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 60 72 25 00 4c 8b 33 48 83 c3 20
RSP: 0018:ffffc90000ee75f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881115c5100
RDX: 0000000000000000 RSI: ffff88811db02070 RDI: 0000000000000000
RBP: ffffc90000ee7638 R08: ffffffff8414b892 R09: ffffffff8414b7b2
R10: 0000000000000004 R11: ffff8881115c5100 R12: dffffc0000000000
R13: 1ffff1103edc6e15 R14: 1ffff1103edc6e15 R15: ffff88811db02070
FS:  0000555590c28380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98fa5890e0 CR3: 00000001264b6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __xdp_do_redirect_frame net/core/filter.c:4296 [inline]
 xdp_do_redirect_frame+0x2b5/0x800 net/core/filter.c:4358
 xdp_test_run_batch net/bpf/test_run.c:314 [inline]
 bpf_test_run_xdp_live+0xc30/0x1f70 net/bpf/test_run.c:362
 bpf_prog_test_run_xdp+0x7d1/0x1130 net/bpf/test_run.c:1393
 bpf_prog_test_run+0x3b0/0x630 kernel/bpf/syscall.c:3665
 __sys_bpf+0x59f/0x7f0 kernel/bpf/syscall.c:5020
 __do_sys_bpf kernel/bpf/syscall.c:5106 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5104 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5104
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f98fa512369
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffebf850428 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f98fa512369
RDX: 0000000000000050 RSI: 00000000200000c0 RDI: 000000000000000a
RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dev_map_enqueue+0x31/0x340 kernel/bpf/devmap.c:532
Code: 56 41 55 41 54 53 48 83 ec 18 48 89 55 c0 49 89 f7 48 89 fb 49 bc 00 00 00 00 00 fc ff df e8 16 ff dd ff 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 60 72 25 00 4c 8b 33 48 83 c3 20
RSP: 0018:ffffc90000ee75f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881115c5100
RDX: 0000000000000000 RSI: ffff88811db02070 RDI: 0000000000000000
RBP: ffffc90000ee7638 R08: ffffffff8414b892 R09: ffffffff8414b7b2
R10: 0000000000000004 R11: ffff8881115c5100 R12: dffffc0000000000
R13: 1ffff1103edc6e15 R14: 1ffff1103edc6e15 R15: ffff88811db02070
FS:  0000555590c28380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98fa5890e0 CR3: 00000001264b6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	56                   	push   %rsi
   1:	41 55                	push   %r13
   3:	41 54                	push   %r12
   5:	53                   	push   %rbx
   6:	48 83 ec 18          	sub    $0x18,%rsp
   a:	48 89 55 c0          	mov    %rdx,-0x40(%rbp)
   e:	49 89 f7             	mov    %rsi,%r15
  11:	48 89 fb             	mov    %rdi,%rbx
  14:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  1b:	fc ff df
  1e:	e8 16 ff dd ff       	call   0xffddff39
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 60 72 25 00       	call   0x257299
  39:	4c 8b 33             	mov    (%rbx),%r14
  3c:	48 83 c3 20          	add    $0x20,%rbx

Crashes (1596):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/31 10:27 android14-6.1 e2b9748880b9 d3ccff63 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/12/14 06:23 android14-6.1 22b7ded8b55b 7cbfbb3a .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/02/08 03:14 android14-6.1 1ac09f5c0571 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/02/02 21:45 android14-6.1 2055772eada0 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/02/02 18:20 android14-6.1 2055772eada0 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/31 05:44 android14-6.1 554eb9d61ac0 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/30 13:14 android14-6.1 554eb9d61ac0 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/28 16:32 android14-6.1 1ffc24e7e898 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2025/01/28 09:04 android14-6.1 11620ab958c2 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/27 14:28 android14-6.1 2f2e115eecbd d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2025/01/27 09:52 android14-6.1 ef4fb40b87a9 d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2025/01/27 03:50 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/26 20:42 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/26 07:38 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/26 01:28 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/25 11:18 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/24 14:27 android14-6.1 72db89d3d913 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2025/01/23 15:53 android14-6.1 092a580916f8 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/22 16:41 android14-6.1 0405a25a6ed7 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2025/01/22 05:20 android14-6.1 d12538e9da37 da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/21 16:34 android14-6.1 d12538e9da37 da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/21 15:04 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/21 11:40 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/21 07:06 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/20 17:38 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/20 05:58 android14-6.1 d12538e9da37 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/01/19 07:38 android14-6.1 d12538e9da37 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/10/12 03:47 android14-6.1 d41d398db683 084d8178 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/09/30 04:28 android14-6.1 110595418159 ba29ff75 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/06/09 13:11 android14-6.1 ac9706483e98 82c05ab8 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/03/27 05:14 android14-6.1 eef3b6e52937 454571b6 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2024/03/27 05:13 android14-6.1 eef3b6e52937 454571b6 .config strace log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/03/27 03:17 android14-6.1 eef3b6e52937 454571b6 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 general protection fault in dev_map_enqueue
2024/03/26 23:51 android14-6.1 eef3b6e52937 454571b6 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2024/03/26 22:58 android14-6.1 eef3b6e52937 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf general protection fault in dev_map_enqueue
2025/02/04 00:24 android14-6.1 1cf6be70924c 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in dev_map_enqueue
2025/01/28 10:55 android14-6.1 11620ab958c2 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/27 23:17 android14-6.1 11620ab958c2 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in dev_map_enqueue
2025/01/27 09:50 android14-6.1 ef4fb40b87a9 d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: slab-out-of-bounds Read in dev_map_enqueue
2025/01/27 07:39 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/26 23:36 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/26 14:05 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/25 16:37 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/25 04:32 android14-6.1 ef4fb40b87a9 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/24 12:41 android14-6.1 72db89d3d913 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/24 09:40 android14-6.1 092a580916f8 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/23 18:22 android14-6.1 092a580916f8 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/23 07:59 android14-6.1 0405a25a6ed7 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/23 06:38 android14-6.1 0405a25a6ed7 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/23 02:41 android14-6.1 0405a25a6ed7 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/22 03:31 android14-6.1 d12538e9da37 da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/21 21:45 android14-6.1 d12538e9da37 da72ac06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/21 14:01 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/21 08:40 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/20 15:49 android14-6.1 d12538e9da37 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/20 00:08 android14-6.1 d12538e9da37 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in dev_map_enqueue
2025/01/19 21:11 android14-6.1 d12538e9da37 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/19 17:09 android14-6.1 d12538e9da37 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
2025/01/19 09:38 android14-6.1 d12538e9da37 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf KASAN: use-after-free Read in dev_map_enqueue
* Struck through repros no longer work on HEAD.