general protection fault in ext4_put

Kernel	Title	Repro	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in ext4_put_super ext4			4	266d	275d	0/28	auto-obsoleted due to no activity on 2024/09/16 20:16
linux-4.19	KASAN: use-after-free Write in ext4_put_super ext4	C	error	17	740d	898d	0/1	upstream: reported C repro on 2022/09/25 13:27
linux-4.14	KASAN: use-after-free Read in ext4_put_super	syz	error	1	851d	882d	0/1	upstream: reported syz repro on 2022/10/12 05:23
upstream	KASAN: use-after-free Write in ext4_put_super ext4			1	1425d	1421d	0/28	auto-closed as invalid on 2021/08/14 16:30
android-54	KASAN: use-after-free Read in ext4_put_super ext4	C		40	2d19h	1424d	0/2	upstream: reported C repro on 2021/04/17 06:50

EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. Oops: general protection fault, probably for non-canonical address 0xe01ffbf110036133: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x00ffff88801b0998-0x00ffff88801b099f] CPU: 1 UID: 0 PID: 5836 Comm: syz-executor Not tainted 6.14.0-rc4-syzkaller-00015-g2a1944bff549 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__lock_acquire+0xe4/0x3c40 kernel/locking/lockdep.c:5091 Code: 08 84 d2 0f 85 15 14 00 00 44 8b 0d 3a 4b cc 0e 45 85 c9 0f 84 b4 0e 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 96 2c 00 00 49 8b 04 24 48 3d a0 e7 82 93 0f 84 RSP: 0018:ffffc90003e57a88 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff110036133 RSI: 1ffff920007caf63 RDI: 00ffff88801b0998 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90627817 R11: 0000000000000001 R12: 00ffff88801b0998 R13: ffff88805f619e00 R14: 0000000000000000 R15: 0000000000000000 FS: 000055556b404500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3061fffc CR3: 000000005f5a0000 CR4: 0000000000350ef0 Call Trace: <TASK> lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170 put_pwq_unlocked kernel/workqueue.c:1662 [inline] put_pwq_unlocked kernel/workqueue.c:1655 [inline] destroy_workqueue+0x5dd/0xaa0 kernel/workqueue.c:5909 ext4_put_super+0x111/0xe30 fs/ext4/super.c:1310 generic_shutdown_super+0x156/0x390 fs/super.c:642 kill_block_super+0x3b/0x90 fs/super.c:1710 ext4_kill_sb+0x6a/0xb0 fs/ext4/super.c:7368 deactivate_locked_super+0xc1/0x1a0 fs/super.c:473 deactivate_super+0xde/0x100 fs/super.c:506 cleanup_mnt+0x222/0x450 fs/namespace.c:1413 task_work_run+0x151/0x250 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faed538e497 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd8255e1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007faed540e08c RCX: 00007faed538e497 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd8255e270 RBP: 00007ffd8255e270 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd8255f300 R13: 00007faed540e08c R14: 000000000001dd68 R15: 00007ffd8255f340 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xe4/0x3c40 kernel/locking/lockdep.c:5091 Code: 08 84 d2 0f 85 15 14 00 00 44 8b 0d 3a 4b cc 0e 45 85 c9 0f 84 b4 0e 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 96 2c 00 00 49 8b 04 24 48 3d a0 e7 82 93 0f 84 RSP: 0018:ffffc90003e57a88 EFLAGS: 00010016 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff110036133 RSI: 1ffff920007caf63 RDI: 00ffff88801b0998 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90627817 R11: 0000000000000001 R12: 00ffff88801b0998 R13: ffff88805f619e00 R14: 0000000000000000 R15: 0000000000000000 FS: 000055556b404500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3061fffc CR3: 000000005f5a0000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 08 84 d2 0f 85 15 14 or %al,0x1415850f(%rdx,%rdx,8) 7: 00 00 add %al,(%rax) 9: 44 8b 0d 3a 4b cc 0e mov 0xecc4b3a(%rip),%r9d # 0xecc4b4a 10: 45 85 c9 test %r9d,%r9d 13: 0f 84 b4 0e 00 00 je 0xecd 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 96 2c 00 00 jne 0x2cca 34: 49 8b 04 24 mov (%r12),%rax 38: 48 3d a0 e7 82 93 cmp $0xffffffff9382e7a0,%rax 3e: 0f .byte 0xf 3f: 84 .byte 0x84

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2025/02/26 03:25	upstream	2a1944bff549	d34966d1	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci-upstream-kasan-badwrites-root	general protection fault in ext4_put_super

Crashes (1):

Assets (help?)