EXT4-fs error (device loop6): ext4_quota_enable:7138: comm syz-executor.6: Bad quota inode: 3, type: 0
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WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x364/0x400, CPU#0: syz-executor.6/8897
Modules linked in:
CPU: 0 UID: 0 PID: 8897 Comm: syz-executor.6 Not tainted 6.18.0-rc2-next-20251024 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:get_data+0x364/0x400
Code: e8 83 e0 07 83 c0 03 38 d0 0f 8c be fe ff ff 84 d2 0f 84 b6 fe ff ff 48 89 ef e8 37 89 5b 00 e9 a9 fe ff ff e8 fd b6 1e 00 90 <0f> 0b 90 45 31 e4 e9 3b ff ff ff e8 ec b6 1e 00 90 0f 0b 90 45 31
RSP: 0018:ffff88804c967090 EFLAGS: 00010216
RAX: 000000000000981f RBX: ffff88804c9671a8 RCX: ffffc90007ec9000
RDX: 0000000000040000 RSI: ffffffff81555423 RDI: 0000000000000006
RBP: ffff88804c967170 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85d30690
R13: 00003fffffffffff R14: 0000000000000000 R15: 0000000000000000
FS: 00007f0071f88700(0000) GS:ffff8880e53f4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47e086c542 CR3: 00000000099b4000 CR4: 0000000000350ef0
Call Trace:
_prb_read_valid+0x2f3/0x830
prb_read_valid+0x78/0xa0
printk_get_next_message+0x10b/0x570
console_flush_one_record+0x64f/0xb20
__console_flush_and_unlock+0xb1/0x1d0
vprintk_emit+0x4c1/0x690
_printk+0xbe/0xf0
__ext4_warning+0x1c6/0x1f0
ext4_enable_quotas+0x765/0xb10
ext4_fill_super+0x8af0/0xb910
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x720/0x2130
__x64_sys_mount+0x293/0x310
do_syscall_64+0xbf/0x390
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0074a1404a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0071f87fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f0074a1404a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f0071f88000
RBP: 00007f0071f88040 R08: 00007f0071f88040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f0071f88000 R15: 0000000020014900
irq event stamp: 4485
hardirqs last enabled at (4491): [] vprintk_emit+0x650/0x690
hardirqs last disabled at (4496): [] vprintk_emit+0x5e1/0x690
softirqs last enabled at (4324): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (4315): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
EXT4-fs (loop6): mount failed
loop4: detected capacity change from 0 to 549
loop3: detected capacity change from 0 to 549
loop5: detected capacity change from 0 to 545
EXT4-fs (loop5): corrupt root inode, run e2fsck
EXT4-fs (loop5): mount failed
EXT4-fs error (device loop3): ext4_quota_enable:7136: inode #4: comm syz-executor.3: iget: special inode unallocated
EXT4-fs error (device loop3): ext4_quota_enable:7138: comm syz-executor.3: Bad quota inode: 4, type: 1
EXT4-fs warning (device loop3): ext4_enable_quotas:7176: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix.
EXT4-fs (loop3): mount failed
loop6: detected capacity change from 0 to 545
EXT4-fs error (device loop6): ext4_ext_check_inode:523: inode #3: comm syz-executor.6: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 1, max 4(4), depth 0(0)
EXT4-fs error (device loop6): ext4_quota_enable:7138: comm syz-executor.6: Bad quota inode: 3, type: 0
loop4: detected capacity change from 0 to 549
EXT4-fs warning (device loop6): ext4_enable_quotas:7176: Failed to enable quota tracking (type=0, err=-117, ino=3). Please run e2fsck to fix.
EXT4-fs (loop6): mount failed
loop5: detected capacity change from 0 to 545
loop3: detected capacity change from 0 to 549
EXT4-fs (loop5): corrupt root inode, run e2fsck
EXT4-fs (loop5): mount failed
EXT4-fs error (device loop3): ext4_quota_enable:7136: inode #4: comm syz-executor.3: iget: special inode unallocated
EXT4-fs error (device loop3): ext4_quota_enable:7138: comm syz-executor.3: Bad quota inode: 4, type: 1
EXT4-fs warning (device loop3): ext4_enable_quotas:7176: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix.
EXT4-fs (loop3): mount failed
loop5: detected capacity change from 0 to 545
EXT4-fs error (device loop5): ext4_quota_enable:7136: inode #4: comm syz-executor.5: iget: special inode unallocated
loop4: detected capacity change from 0 to 549
EXT4-fs error (device loop5): ext4_quota_enable:7138: comm syz-executor.5: Bad quota inode: 4, type: 1
EXT4-fs warning (device loop5): ext4_enable_quotas:7176: Failed to enable quota tracking (type=1, err=-117, ino=4). Please run e2fsck to fix.
EXT4-fs (loop5): mount failed
loop3: detected capacity change from 0 to 549
loop6: detected capacity change from 0 to 545
EXT4-fs error (device loop6): ext4_quota_enable:7136: inode #3: comm syz-executor.6: iget: special inode unallocated
EXT4-fs warning (device loop3): ext4_enable_quotas:7176: Failed to enable quota tracking (type=1, err=-22, ino=4). Please run e2fsck to fix.
EXT4-fs (loop3): mount failed
EXT4-fs error (device loop6): ext4_quota_enable:7138: comm syz-executor.6: Bad quota inode: 3, type: 0
EXT4-fs warning (device loop6): ext4_enable_quotas:7176: Failed to enable quota tracking (type=0, err=-117, ino=3). Please run e2fsck to fix.
EXT4-fs (loop6): mount failed
loop5: detected capacity change from 0 to 545
EXT4-fs (loop5): corrupt root inode, run e2fsck
EXT4-fs (loop5): mount failed