syzbot


WARNING in print_tainted

Status: fixed on 2023/06/08 14:41
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+5aed6c3aaba661f5b917@syzkaller.appspotmail.com
Fix commit: c6adf659a8ba can: isotp: check CAN address family in isotp_bind() 4f027cba8216 can: isotp: split tx timer into transmission and timeout
First crash: 520d, last: 347d
Discussions (6)
Title Replies (including bot) Last reply
[syzbot] WARNING in print_tainted 0 (2) 2023/05/08 10:57
[PATCH AUTOSEL 6.2 01/53] wifi: ath9k: Fix use-after-free in ath9k_hif_usb_disconnect() 59 (59) 2023/03/01 14:13
[PATCH AUTOSEL 6.1 01/49] wifi: ath9k: Fix use-after-free in ath9k_hif_usb_disconnect() 49 (49) 2023/02/26 14:46
[PATCH net-next 0/47] pull-request: can-next 2023-02-06 49 (49) 2023/02/07 15:30
[PATCH net 0/5] pull-request: can 2023-02-02 7 (7) 2023/02/02 20:00
[PATCH] can: isotp: split tx timer into transmission and timeout 1 (1) 2023/01/04 14:57
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in print_tainted (2) net 18 344d 343d 0/26 auto-obsoleted due to no activity on 2023/08/23 09:06

Sample crash report:
EXT4-fs (loop0): 1 truncate cleaned up
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2947 at mm/slab_common.c:935 free_large_kmalloc+0x94/0xd0 mm/slab_common.c:935
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 PID: 2947 Comm: syz-executor216 Not tainted 6.3.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<817b2528>] (dump_backtrace) from [<817b261c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:81d81ac0 r6:82422c04 r5:60000093 r4:81d901cc
[<817b2604>] (show_stack) from [<817cec84>] (__dump_stack lib/dump_stack.c:88 [inline])
[<817b2604>] (show_stack) from [<817cec84>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<817cec3c>] (dump_stack_lvl) from [<817ceca8>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:8264dd14
[<817cec90>] (dump_stack) from [<817b3110>] (panic+0x11c/0x36c kernel/panic.c:340)
[<817b2ff4>] (panic) from [<802422ec>] (print_tainted+0x0/0xa0 kernel/panic.c:236)
 r3:8240c488 r2:00000001 r1:81d79fcc r0:81d81ac0
 r7:80436a2c
[<80242268>] (check_panic_on_warn) from [<802424e0>] (__warn+0x7c/0x180 kernel/panic.c:673)
[<80242464>] (__warn) from [<802426bc>] (warn_slowpath_fmt+0xd8/0x1d8 kernel/panic.c:697)
 r8:00000009 r7:000003a7 r6:81da3124 r5:8240c954 r4:822ab6bc
[<802425e8>] (warn_slowpath_fmt) from [<80436a2c>] (free_large_kmalloc+0x94/0xd0 mm/slab_common.c:935)
 r10:823e75a4 r9:00000704 r8:8436d7c0 r7:825dfc70 r6:823e75a4 r5:dde49c7c
 r4:dde49c7c
[<80436998>] (free_large_kmalloc) from [<80436bb0>] (kfree+0x148/0x14c mm/slab_common.c:1013)
 r7:8436d880 r6:804292ac r5:dde49c7c r4:823e75a4
[<80436a68>] (kfree) from [<804292ac>] (kvfree+0x2c/0x30 mm/util.c:649)
 r7:8436d880 r6:8436d700 r5:00000400 r4:823e75a4
[<80429280>] (kvfree) from [<80619f90>] (ext4_xattr_move_to_block fs/ext4/xattr.c:2680 [inline])
[<80429280>] (kvfree) from [<80619f90>] (ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline])
[<80429280>] (kvfree) from [<80619f90>] (ext4_expand_extra_isize_ea+0x558/0x808 fs/ext4/xattr.c:2835)
 r5:00000400 r4:823e75a4
[<80619a38>] (ext4_expand_extra_isize_ea) from [<805c514c>] (__ext4_expand_extra_isize+0xdc/0x148 fs/ext4/inode.c:5960)
 r10:8455e368 r9:8455e360 r8:00000001 r7:8455e5e4 r6:823e7500 r5:8455e3e8
 r4:00000040
[<805c5070>] (__ext4_expand_extra_isize) from [<805cc188>] (ext4_try_to_expand_extra_isize fs/ext4/inode.c:6003 [inline])
[<805c5070>] (__ext4_expand_extra_isize) from [<805cc188>] (__ext4_mark_inode_dirty+0x158/0x270 fs/ext4/inode.c:6081)
 r8:00000040 r7:00000cb7 r6:df969df4 r5:00000001 r4:8455e3e8
[<805cc030>] (__ext4_mark_inode_dirty) from [<805ee79c>] (__ext4_unlink+0x2e0/0x370 fs/ext4/namei.c:3255)
 r10:df969e58 r9:82c9ac50 r8:00000000 r7:836ee3c0 r6:00000001 r5:8455e3e8
 r4:8455f0a8
[<805ee4bc>] (__ext4_unlink) from [<805ee980>] (ext4_unlink+0x154/0x1e4 fs/ext4/namei.c:3298)
 r10:82c9ac38 r9:8455f130 r8:df969f3c r7:8455f0a8 r6:82c9ac38 r5:8455e3e8
 r4:00000000
[<805ee82c>] (ext4_unlink) from [<804cc41c>] (vfs_unlink+0x13c/0x2e0 fs/namei.c:4250)
 r7:8455f0a8 r6:8455e3e8 r5:82c9ac38 r4:00000000
[<804cc2e0>] (vfs_unlink) from [<804d0fa8>] (do_unlinkat+0x198/0x2b4 fs/namei.c:4316)
 r9:df969f38 r8:00000003 r7:8290b000 r6:00000000 r5:8455f0a8 r4:00000000
[<804d0e10>] (do_unlinkat) from [<804d10fc>] (__do_sys_unlinkat fs/namei.c:4359 [inline])
[<804d0e10>] (do_unlinkat) from [<804d10fc>] (sys_unlinkat+0x38/0x5c fs/namei.c:4352)
 r10:00000148 r9:831bae00 r8:80200288 r7:00000148 r6:00000000 r5:00000000
 r4:00000003
[<804d10c4>] (sys_unlinkat) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xdf969fa8 to 0xdf969ff0)
9fa0:                   00000000 00000000 00000003 20000000 00000000 00001015
9fc0: 00000000 00000000 00000000 00000148 00000000 200002a2 20000276 00000000
9fe0: 7ecdec50 7ecdec40 0001085c 0002bb80
 r5:00000000 r4:00000000
Rebooting in 86400 seconds..

Crashes (162):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/08 10:57 upstream 457391b03803 90c93c40 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-qemu2-arm32 WARNING in print_tainted
2023/06/08 08:29 upstream a27648c74210 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/08 07:53 upstream a27648c74210 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/08 06:47 upstream a27648c74210 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/08 05:42 upstream a27648c74210 058b3a5a .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/07 05:08 upstream a4d7d7011219 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/07 01:34 upstream a4d7d7011219 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/07 01:22 upstream a4d7d7011219 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/06 12:01 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/06 04:24 upstream f8dba31b0a82 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/05 01:45 upstream 5e89d62ec101 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/04 12:06 upstream e5282a7d8f6b a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/04 01:39 upstream 51f269a6ecc7 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/03 11:09 upstream 4ecd704a4c51 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/03 09:25 upstream 4ecd704a4c51 a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/02 23:58 upstream 9e87b63ed37e a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/06/02 21:21 upstream 9e87b63ed37e a4ae4f42 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/31 05:54 upstream afead42fdfca 09898419 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/29 15:02 upstream e338142b39cf cf184559 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/29 13:51 upstream e338142b39cf cf184559 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/29 13:42 upstream e338142b39cf cf184559 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/29 03:02 upstream 7877cb91f108 cf184559 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/28 15:39 upstream 416839029e38 cf184559 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/26 23:33 upstream 0d85b27b0cc6 1497c3f6 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/26 06:23 upstream eb03e3181354 b40ef614 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/24 23:43 upstream 9d646009f65d 4bce1a3e .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/24 20:08 upstream 9d646009f65d 4bce1a3e .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/24 09:41 upstream 27e462c8fad4 4bce1a3e .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/22 03:10 upstream e2065b8c1b01 4bce1a3e .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/21 15:15 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/21 12:50 upstream 0dd2a6fb1e34 4bce1a3e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/19 08:55 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/19 07:01 upstream 2d1bcbc6cd70 3bb7af1d .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/18 22:20 upstream 4d6d4c7f541d 3bb7af1d .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/18 20:38 upstream 4d6d4c7f541d 3bb7af1d .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2023/05/17 07:37 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/17 05:40 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/17 04:01 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/17 02:01 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/17 01:14 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/17 00:04 upstream f1fcbaa18b28 11c89444 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/15 16:16 upstream f1fcbaa18b28 b8bae4ab .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 WARNING in print_tainted
2023/05/15 05:20 upstream 838a854820ee 2b9ba477 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
2022/12/17 01:30 upstream 77856d911a8c 05494336 .config console log report info ci-qemu2-arm32 WARNING in print_tainted
* Struck through repros no longer work on HEAD.