EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. ------------[ cut here ]------------ WARNING: fs/ext4/super.c:1322 at ext4_put_super+0xbe7/0xf30, CPU#1: syz-executor.1/281 Modules linked in: CPU: 1 UID: 0 PID: 281 Comm: syz-executor.1 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ext4_put_super+0xbe7/0xf30 Code: 7c ff 48 8d bd 00 02 00 00 e8 75 af 66 00 31 ff 49 89 c4 48 89 c6 e8 f8 be 7c ff 4d 85 e4 0f 84 ff f9 ff ff e8 8a c3 7c ff 90 <0f> 0b 90 e9 f1 f9 ff ff e8 7c c3 7c ff 4c 89 ef e8 74 f0 4a ff c7 RSP: 0018:ffff88801b107d08 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888045164000 RCX: ffffffff81f73318 RDX: ffff888016329b80 RSI: ffffffff81f73326 RDI: 0000000000000007 RBP: ffff888045166000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000001 R14: ffff888045164618 R15: 0000000000000000 FS: 00005555845b2400(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558258ec58 CR3: 000000003858a000 CR4: 0000000000350ef0 Call Trace: generic_shutdown_super+0x15a/0x4a0 kill_block_super+0x3b/0x90 ext4_kill_sb+0x6c/0xb0 deactivate_locked_super+0xbf/0x1a0 deactivate_super+0xb1/0xd0 cleanup_mnt+0x2df/0x430 task_work_run+0x172/0x280 exit_to_user_mode_loop+0xef/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fecaaa54f87 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 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 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcc7f3fa48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 000000000000004c RCX: 00007fecaaa54f87 RDX: 00007ffcc7f3fb1a RSI: 000000000000000a RDI: 00007ffcc7f3fb10 RBP: 00007ffcc7f3fb10 R08: 00000000ffffffff R09: 00007ffcc7f3f8e0 R10: 00005555845b3c7b R11: 0000000000000246 R12: 00007fecaaaad105 R13: 00007ffcc7f40bd0 R14: 00005555845b3c20 R15: 00007ffcc7f40c10 irq event stamp: 312235 hardirqs last enabled at (312243): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (312252): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (311848): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (311835): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop1: detected capacity change from 0 to 512 EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. syz-executor.2 uses obsolete (PF_INET,SOCK_PACKET) loop1: detected capacity change from 0 to 512 EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. msdos: Unknown parameter 'audit' msdos: Unknown parameter 'audit' msdos: Unknown parameter 'audit' msdos: Unknown parameter 'audit' msdos: Unknown parameter 'audit' loop4: detected capacity change from 0 to 16383 SELinux: security_context_str_to_sid (unconfined_u) failed with errno=-22 loop4: detected capacity change from 0 to 16383 SELinux: security_context_str_to_sid (unconfined_u) failed with errno=-22 tmpfs: Bad value for 'mpol' loop4: detected capacity change from 0 to 16383 SELinux: security_context_str_to_sid (unconfined_u) failed with errno=-22 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' loop4: detected capacity change from 0 to 16383 SELinux: security_context_str_to_sid (unconfined_u) failed with errno=-22 tmpfs: Bad value for 'mpol' loop4: detected capacity change from 0 to 16383 SELinux: security_context_str_to_sid (unconfined_u) failed with errno=-22 tmpfs: Bad value for 'mpol' Bluetooth: hci7: link tx timeout Bluetooth: hci7: killing stalled connection 11:aa:aa:aa:aa:aa Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0406 failed: -4 Bluetooth: hci0: Opcode 0x0406 failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0406 failed: -4 Bluetooth: hci1: Opcode 0x0406 failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0406 failed: -4 Bluetooth: hci2: Opcode 0x0406 failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0406 failed: -4 Bluetooth: hci3: Opcode 0x0406 failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0406 failed: -4 Bluetooth: hci4: Opcode 0x0406 failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0406 failed: -4 Bluetooth: hci5: Opcode 0x0406 failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0406 failed: -4 Bluetooth: hci6: Opcode 0x0406 failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0406 failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 No source specified No source specified Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 audit: type=1400 audit(1756725212.770:13): avc: denied { setattr } for pid=5134 comm="syz-executor.0" name="keycreate" dev="proc" ino=9011 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=file permissive=1 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 audit: type=1107 audit(1756725214.473:14): pid=5185 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='[' audit: type=1107 audit(1756725214.480:15): pid=5185 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 msg='[' Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 audit: type=1326 audit(1756725215.485:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5237 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f10c69cab19 code=0x0