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general protection fault in nfc_register_device

Status: fixed on 2023/12/21 03:45
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+bdfb03b1ec8b342c12cb@syzkaller.appspotmail.com
Fix commit: fd6f7ad2fd4d driver core: return an error when dev_set_name() hasn't happened
First crash: 245d, last: 129d
Cause bisection: introduced by (bisect log) :
commit d21fdd07cea418c0d98c8a15fc95b8b8970801e7
Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu Aug 17 09:12:21 2023 +0000

  driver core: Return proper error code when dev_set_name() fails

Crash: BUG: unable to handle kernel NULL pointer dereference in nfc_register_device (log)
Repro: C syz .config
  
▶ ▼ Duplicate bugs (1)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
general protection fault in netdev_register_kobject kernel C done 512 205d 240d 0/26 closed as dup on 2023/08/31 14:15
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[PATCH v1 1/1] driver core: return an error when dev_set_name() hasn't happened 1 (1) 2023/08/28 14:58
[syzbot] [kernel?] general protection fault in nfc_register_device 3 (4) 2023/08/28 14:43
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
2023/08/29 01:18 22m eadavis@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 626932085009 OK log
2023/08/28 12:36 21m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master OK log
2023/08/28 10:59 20m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 626932085009 report log

Sample crash report:
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe06d4ca1b9
RDX: 0000000000000002 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007ffd1e4b5ab0 R08: 00007ffd1e4b56f6 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1e4b5a60
R13: 0000000000050012 R14: 00007ffd1e4b5a32 R15: 00007fe06d54f3c0
 </TASK>
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 5042 Comm: syz-executor214 Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:strchr+0x1b/0xb0 lib/string.c:329
Code: 01 ae f7 48 8b 74 24 08 48 8b 14 24 eb 89 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 83 ec 10 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 0f b6 07 89
RSP: 0018:ffffc90003dbf630 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000
RBP: ffffc90003dbf6c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90003dbf6c0
R13: 0000000000000cc0 R14: ffff88801da36a80 R15: 0000000000000001
FS:  00005555564613c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9e4fb25580 CR3: 000000007d6fb000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvasprintf_const+0x25/0x190 lib/kasprintf.c:45
 kobject_set_name_vargs+0x5a/0x130 lib/kobject.c:272
 kobject_add_varg lib/kobject.c:366 [inline]
 kobject_add+0x12a/0x240 lib/kobject.c:424
 device_add+0x290/0x1ac0 drivers/base/core.c:3560
 nfc_register_device+0x41/0x3c0 net/nfc/core.c:1118
 nci_register_device+0x7f4/0xb80 net/nfc/nci/core.c:1257
 virtual_ncidev_open+0x147/0x220 drivers/nfc/virtual_ncidev.c:148
 misc_open+0x3da/0x4c0 drivers/char/misc.c:165
 chrdev_open+0x277/0x700 fs/char_dev.c:414
 do_dentry_open+0x88b/0x1730 fs/open.c:929
 do_open fs/namei.c:3639 [inline]
 path_openat+0x19af/0x29c0 fs/namei.c:3796
 do_filp_open+0x1de/0x430 fs/namei.c:3823
 do_sys_openat2+0x176/0x1e0 fs/open.c:1422
 do_sys_open fs/open.c:1437 [inline]
 __do_sys_openat fs/open.c:1453 [inline]
 __se_sys_openat fs/open.c:1448 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1448
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fe06d4ca1b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 1f 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd1e4b5958 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe06d4ca1b9
RDX: 0000000000000002 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007ffd1e4b5ab0 R08: 00007ffd1e4b56f6 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1e4b5a60
R13: 0000000000050012 R14: 00007ffd1e4b5a32 R15: 00007fe06d54f3c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:strchr+0x1b/0xb0 lib/string.c:329
Code: 01 ae f7 48 8b 74 24 08 48 8b 14 24 eb 89 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 83 ec 10 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 51 0f b6 07 89
RSP: 0018:ffffc90003dbf630 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000025 RDI: 0000000000000000
RBP: ffffc90003dbf6c0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90003dbf6c0
R13: 0000000000000cc0 R14: ffff88801da36a80 R15: 0000000000000001
FS:  00005555564613c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561dde2da0b8 CR3: 000000007d6fb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	01 ae f7 48 8b 74    	add    %ebp,0x748b48f7(%rsi)
   6:	24 08                	and    $0x8,%al
   8:	48 8b 14 24          	mov    (%rsp),%rdx
   c:	eb 89                	jmp    0xffffff97
   e:	90                   	nop
   f:	f3 0f 1e fa          	endbr64
  13:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1a:	fc ff df
  1d:	48 89 fa             	mov    %rdi,%rdx
  20:	55                   	push   %rbp
  21:	48 c1 ea 03          	shr    $0x3,%rdx
  25:	53                   	push   %rbx
  26:	48 83 ec 10          	sub    $0x10,%rsp
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	48 89 fa             	mov    %rdi,%rdx
  31:	83 e2 07             	and    $0x7,%edx
  34:	38 d0                	cmp    %dl,%al
  36:	7f 04                	jg     0x3c
  38:	84 c0                	test   %al,%al
  3a:	75 51                	jne    0x8d
  3c:	0f b6 07             	movzbl (%rdi),%eax
  3f:	89                   	.byte 0x89

Crashes (190):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/03 22:17 upstream db906f0ca6bb 696ea0d2 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/08/25 18:32 linux-next 626932085009 03d9c195 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in nfc_register_device
2023/09/16 11:39 upstream e42bebf6db29 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/15 23:43 upstream e42bebf6db29 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in nfc_register_device
2023/09/15 21:18 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in nfc_register_device
2023/09/15 18:46 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in nfc_register_device
2023/09/15 14:14 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in nfc_register_device
2023/09/14 23:13 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in nfc_register_device
2023/09/14 12:14 upstream aed8aee11130 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in nfc_register_device
2023/09/14 04:00 upstream aed8aee11130 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/14 00:49 upstream 23f108dc9ed2 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in nfc_register_device
2023/09/13 17:38 upstream 3669558bdf35 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in nfc_register_device
2023/09/13 13:19 upstream 3669558bdf35 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/13 04:33 upstream a747acc0b752 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in nfc_register_device
2023/09/13 02:09 upstream a747acc0b752 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in nfc_register_device
2023/09/13 00:15 upstream a747acc0b752 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/12 17:43 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in nfc_register_device
2023/09/12 10:00 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in nfc_register_device
2023/09/12 08:45 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/12 07:07 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/11 22:05 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in nfc_register_device
2023/09/11 18:49 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/11 14:22 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/11 12:00 upstream 0bb80ecc33a8 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in nfc_register_device
2023/09/11 05:21 upstream 0bb80ecc33a8 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/11 02:41 upstream 535a265d7f0d 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in nfc_register_device
2023/09/11 01:10 upstream 535a265d7f0d 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce general protection fault in nfc_register_device
2023/09/11 01:00 upstream 1548b060d6f3 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in nfc_register_device
2023/09/10 22:16 upstream 535a265d7f0d 6654cf89 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in nfc_register_device
2023/09/15 17:32 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 general protection fault in nfc_register_device
2023/09/16 04:59 upstream e42bebf6db29 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in nfc_register_device
2023/09/14 18:29 upstream aed8aee11130 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in nfc_register_device
2023/09/12 01:07 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in nfc_register_device
2023/09/10 14:34 upstream 535a265d7f0d 6654cf89 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in nfc_register_device
2023/09/16 02:57 upstream e42bebf6db29 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/15 16:15 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/15 11:42 upstream 9fdfb15a3dbf 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/14 20:50 upstream aed8aee11130 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/14 06:30 upstream 23f108dc9ed2 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/13 16:03 upstream 3669558bdf35 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/13 09:26 upstream 3669558bdf35 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/12 21:11 upstream a747acc0b752 59da8366 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/12 16:13 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/12 13:24 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/12 04:33 upstream 0bb80ecc33a8 59da8366 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/11 06:53 upstream e56b2b605799 6654cf89 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/10 16:31 upstream 535a265d7f0d 6654cf89 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in nfc_register_device
2023/09/14 02:54 linux-next 3c13c772fc23 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in nfc_register_device
2023/09/13 23:23 linux-next 3c13c772fc23 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in nfc_register_device
2023/09/12 02:16 linux-next 7bc675554773 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in nfc_register_device
2023/09/16 07:19 upstream e42bebf6db29 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 BUG: unable to handle kernel paging request in nfc_register_device
2023/09/10 01:22 upstream 6099776f9f26 6654cf89 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat BUG: unable to handle kernel paging request in nfc_register_device
2023/12/19 15:26 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 3ad490ea .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/12/19 01:36 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 924661f4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/12/14 12:10 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 3222d10c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/12/07 22:54 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 28b24332 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/12/06 00:08 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 858d62d1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/11/11 21:47 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 d80eec66 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/11/10 08:55 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 45e9b83e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/11/02 01:55 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 69904c9f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/10/21 07:17 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 3fec323339a4 361b23dc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/10/08 11:36 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 9f564b92cf6d 5e837c76 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/10/04 22:27 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 9f564b92cf6d b7d7ff54 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/09/26 15:01 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 9f564b92cf6d 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/09/21 05:39 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes b06fab003ae1 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
2023/09/14 04:15 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 8eb8fe67e2c8 0b6a67ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: null-ptr-deref Read in nfc_register_device
* Struck through repros no longer work on HEAD.