[ 71.640732][ T40] audit: type=1400 audit(1765819850.498:106): avc: denied { transition } for pid=6016 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 71.650733][ T40] audit: type=1400 audit(1765819850.498:107): avc: denied { noatsecure } for pid=6016 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 71.659410][ T40] audit: type=1400 audit(1765819850.498:108): avc: denied { rlimitinh } for pid=6016 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 71.665962][ T40] audit: type=1400 audit(1765819850.498:109): avc: denied { siginh } for pid=6016 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '[localhost]:27600' (ED25519) to the list of known hosts. [ 76.302348][ T40] audit: type=1400 audit(1765819855.168:110): avc: denied { execute } for pid=6033 comm="sh" name="syz-execprog" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 76.310159][ T40] audit: type=1400 audit(1765819855.168:111): avc: denied { execute_no_trans } for pid=6033 comm="sh" path="/syz-execprog" dev="sda1" ino=2020 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 76.374801][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.377363][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 2025/12/15 17:30:55 ignoring optional flag "type"="qemu" 2025/12/15 17:30:55 parsed 1 programs [ 76.914403][ T40] audit: type=1400 audit(1765819855.778:112): avc: denied { unlink } for pid=6046 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 77.975177][ T6046] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/12/15 17:30:56 executed programs: 0 [ 78.023486][ T64] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.026819][ T64] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.030981][ T64] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.035751][ T64] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.039230][ T64] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.192601][ T6058] chnl_net:caif_netlink_parms(): no params data found [ 78.304646][ T6058] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.307841][ T6058] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.310814][ T6058] bridge_slave_0: entered allmulticast mode [ 78.314599][ T6058] bridge_slave_0: entered promiscuous mode [ 78.319077][ T6058] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.322564][ T6058] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.325902][ T6058] bridge_slave_1: entered allmulticast mode [ 78.329885][ T6058] bridge_slave_1: entered promiscuous mode [ 78.389959][ T6058] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.397236][ T6058] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.459388][ T6058] team0: Port device team_slave_0 added [ 78.464621][ T6058] team0: Port device team_slave_1 added [ 78.518961][ T6058] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.523740][ T6058] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 78.534293][ T6058] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.540297][ T6058] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.543282][ T6058] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 78.553677][ T6058] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.624202][ T6058] hsr_slave_0: entered promiscuous mode [ 78.627387][ T6058] hsr_slave_1: entered promiscuous mode [ 79.192513][ T6058] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.201004][ T6058] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.207986][ T6058] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.217238][ T6058] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.264680][ T6058] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.275529][ T6058] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.281864][ T1178] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.285441][ T1178] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.295783][ T1149] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.298036][ T1149] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.436571][ T6058] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.470090][ T6058] veth0_vlan: entered promiscuous mode [ 79.483035][ T6058] veth1_vlan: entered promiscuous mode [ 79.515105][ T6058] veth0_macvtap: entered promiscuous mode [ 79.523350][ T6058] veth1_macvtap: entered promiscuous mode [ 79.535751][ T6058] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.544141][ T6058] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.555681][ T1149] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.559230][ T1149] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.564299][ T1149] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.568342][ T1149] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.743290][ T6112] loop0: detected capacity change from 0 to 32768 [ 79.749593][ T6112] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor.0 (6112) [ 79.763901][ T6112] BTRFS info (device loop0): first mount of filesystem d552757d-9c39-40e3-95f0-16d819589928 [ 79.767479][ T6112] BTRFS info (device loop0): using sha256 (sha256-lib) checksum algorithm [ 79.852117][ T6112] BTRFS info (device loop0): enabling ssd optimizations [ 79.855227][ T6112] BTRFS info (device loop0): turning on async discard [ 79.857926][ T6112] BTRFS info (device loop0): enabling free space tree [ 79.872335][ T40] audit: type=1400 audit(1765819858.738:113): avc: denied { mount } for pid=6111 comm="syz-executor.0" name="/" dev="loop0" ino=256 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 79.883260][ T40] audit: type=1400 audit(1765819858.748:114): avc: denied { add_name } for pid=6111 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 79.897269][ T40] audit: type=1400 audit(1765819858.748:115): avc: denied { create } for pid=6111 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 79.905812][ T40] audit: type=1400 audit(1765819858.758:116): avc: denied { read write open } for pid=6111 comm="syz-executor.0" path="/syzkaller-testdir1595509118/syzkaller.BPMRZ6/0/file0/bus" dev="loop0" ino=263 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 79.919680][ T40] audit: type=1800 audit(1765819858.768:117): pid=6112 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 79.928523][ T40] audit: type=1800 audit(1765819858.768:118): pid=6112 uid=0 auid=4294967295 ses=4294967295 subj=root:sysadm_r:sysadm_t op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 79.974925][ T6138] BTRFS info (device loop0): balance: start [ 79.975511][ T1178] ------------[ cut here ]------------ [ 79.978438][ T6138] BTRFS info (device loop0 state A): balance: ended with status: 0 [ 79.980070][ T1178] BTRFS: Transaction aborted (error -28) [ 79.980086][ T1178] WARNING: fs/btrfs/inode.c:3216 at btrfs_finish_one_ordered+0x1934/0x2b80, CPU#0: kworker/u32:9/1178 [ 79.991152][ T1178] Modules linked in: [ 79.992890][ T1178] CPU: 0 UID: 0 PID: 1178 Comm: kworker/u32:9 Not tainted syzkaller #0 PREEMPT(full) [ 79.996394][ T1178] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 80.000673][ T1178] Workqueue: btrfs-endio-write btrfs_work_helper [ 80.004187][ T1178] RIP: 0010:btrfs_finish_one_ordered+0x1937/0x2b80 [ 80.007538][ T1178] Code: d7 fd 41 8d 44 24 1e 83 f8 19 77 0f ba 01 00 04 02 48 0f a3 c2 0f 82 2e 03 00 00 e8 c3 89 d7 fd 48 8d 3d 4c 7f a9 0c 44 89 e6 <67> 48 0f b9 3a c7 04 24 01 00 00 00 e8 a8 89 d7 fd 44 8b 04 24 44 [ 80.015654][ T1178] RSP: 0018:ffffc900064779d0 EFLAGS: 00010293 [ 80.018111][ T1178] RAX: 0000000000000000 RBX: ffff888038980b80 RCX: ffffffff83e75a1f [ 80.020727][ T1178] RDX: ffff888029854980 RSI: 00000000ffffffe4 RDI: ffffffff9090d990 [ 80.024401][ T1178] RBP: ffff88803c712b90 R08: 0000000000000005 R09: fffffffffffffffb [ 80.027615][ T1178] R10: ffffffffffffffe4 R11: 0000000000002ba1 R12: 00000000ffffffe4 [ 80.031145][ T1178] R13: ffff88803c712bf0 R14: ffff888038980bc0 R15: ffff88803d708000 [ 80.034730][ T1178] FS: 0000000000000000(0000) GS:ffff8880d68f6000(0000) knlGS:0000000000000000 [ 80.037652][ T1178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.040591][ T1178] CR2: 00007fc29256fd58 CR3: 000000003d220000 CR4: 0000000000352ef0 [ 80.043997][ T1178] Call Trace: [ 80.045431][ T1178] [ 80.046585][ T1178] ? __pfx_btrfs_finish_one_ordered+0x10/0x10 [ 80.048500][ T1178] ? __lock_acquire+0x436/0x2890 [ 80.050596][ T1178] ? do_raw_spin_unlock+0x172/0x230 [ 80.053081][ T1178] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 80.056027][ T1178] ? debug_object_deactivate+0x1ec/0x3a0 [ 80.058351][ T1178] btrfs_work_helper+0x21b/0xc10 [ 80.059284][ T64] Bluetooth: hci0: command tx timeout [ 80.060600][ T1178] process_one_work+0x9ba/0x1b20 [ 80.065654][ T1178] ? __pfx_simple_end_io_work+0x10/0x10 [ 80.068160][ T1178] ? __pfx_process_one_work+0x10/0x10 [ 80.070170][ T1178] ? assign_work+0x1a0/0x250 [ 80.071927][ T1178] worker_thread+0x6c8/0xf10 [ 80.073454][ T1178] ? __pfx_worker_thread+0x10/0x10 [ 80.075192][ T1178] kthread+0x3c5/0x780 [ 80.076895][ T1178] ? __pfx_kthread+0x10/0x10 [ 80.078899][ T1178] ? rcu_is_watching+0x12/0xc0 [ 80.080940][ T1178] ? __pfx_kthread+0x10/0x10 [ 80.083202][ T1178] ret_from_fork+0x983/0xb10 [ 80.085385][ T1178] ? __pfx_ret_from_fork+0x10/0x10 [ 80.087874][ T1178] ? __switch_to+0x7af/0x10d0 [ 80.090348][ T1178] ? __pfx_kthread+0x10/0x10 [ 80.092464][ T1178] ret_from_fork_asm+0x1a/0x30 [ 80.094534][ T1178] [ 80.095886][ T1178] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 80.098918][ T1178] CPU: 0 UID: 0 PID: 1178 Comm: kworker/u32:9 Not tainted syzkaller #0 PREEMPT(full) [ 80.102104][ T1178] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 80.106009][ T1178] Workqueue: btrfs-endio-write btrfs_work_helper [ 80.109205][ T1178] Call Trace: [ 80.110469][ T1178] [ 80.111474][ T1178] dump_stack_lvl+0x3d/0x1f0 [ 80.113072][ T1178] vpanic+0x640/0x6f0 [ 80.114746][ T1178] ? btrfs_finish_one_ordered+0x1934/0x2b80 [ 80.117141][ T1178] panic+0xca/0xd0 [ 80.118737][ T1178] ? __pfx_panic+0x10/0x10 [ 80.120947][ T1178] ? check_panic_on_warn+0x1f/0xb0 [ 80.123503][ T1178] check_panic_on_warn+0xab/0xb0 [ 80.125716][ T1178] __warn+0x108/0x3c0 [ 80.127178][ T1178] __report_bug+0x2a0/0x520 [ 80.129473][ T1178] ? btrfs_finish_one_ordered+0x1934/0x2b80 [ 80.131714][ T1178] ? __pfx___report_bug+0x10/0x10 [ 80.133341][ T1178] ? btrfs_finish_one_ordered+0x190f/0x2b80 [ 80.135292][ T1178] ? __pfx_btrfs_mark_extent_written+0x10/0x10 [ 80.137438][ T1178] report_bug_entry+0xe1/0x290 [ 80.139230][ T1178] ? btrfs_finish_one_ordered+0x1937/0x2b80 [ 80.141395][ T1178] handle_bug+0x18a/0x260 [ 80.142912][ T1178] exc_invalid_op+0x17/0x50 [ 80.144422][ T1178] asm_exc_invalid_op+0x1a/0x20 [ 80.146047][ T1178] RIP: 0010:btrfs_finish_one_ordered+0x1937/0x2b80 [ 80.148152][ T1178] Code: d7 fd 41 8d 44 24 1e 83 f8 19 77 0f ba 01 00 04 02 48 0f a3 c2 0f 82 2e 03 00 00 e8 c3 89 d7 fd 48 8d 3d 4c 7f a9 0c 44 89 e6 <67> 48 0f b9 3a c7 04 24 01 00 00 00 e8 a8 89 d7 fd 44 8b 04 24 44 [ 80.154325][ T1178] RSP: 0018:ffffc900064779d0 EFLAGS: 00010293 [ 80.156504][ T1178] RAX: 0000000000000000 RBX: ffff888038980b80 RCX: ffffffff83e75a1f [ 80.159420][ T1178] RDX: ffff888029854980 RSI: 00000000ffffffe4 RDI: ffffffff9090d990 [ 80.162074][ T1178] RBP: ffff88803c712b90 R08: 0000000000000005 R09: fffffffffffffffb [ 80.164699][ T1178] R10: ffffffffffffffe4 R11: 0000000000002ba1 R12: 00000000ffffffe4 [ 80.167252][ T1178] R13: ffff88803c712bf0 R14: ffff888038980bc0 R15: ffff88803d708000 [ 80.169822][ T1178] ? btrfs_finish_one_ordered+0x190f/0x2b80 [ 80.171791][ T1178] ? __pfx_btrfs_finish_one_ordered+0x10/0x10 [ 80.173763][ T1178] ? __lock_acquire+0x436/0x2890 [ 80.175557][ T1178] ? do_raw_spin_unlock+0x172/0x230 [ 80.177659][ T1178] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 80.180128][ T1178] ? debug_object_deactivate+0x1ec/0x3a0 [ 80.182543][ T1178] btrfs_work_helper+0x21b/0xc10 [ 80.184429][ T1178] process_one_work+0x9ba/0x1b20 [ 80.186187][ T1178] ? __pfx_simple_end_io_work+0x10/0x10 [ 80.188048][ T1178] ? __pfx_process_one_work+0x10/0x10 [ 80.189894][ T1178] ? assign_work+0x1a0/0x250 [ 80.191665][ T1178] worker_thread+0x6c8/0xf10 [ 80.193159][ T1178] ? __pfx_worker_thread+0x10/0x10 [ 80.194905][ T1178] kthread+0x3c5/0x780 [ 80.196491][ T1178] ? __pfx_kthread+0x10/0x10 [ 80.198081][ T1178] ? rcu_is_watching+0x12/0xc0 [ 80.199585][ T1178] ? __pfx_kthread+0x10/0x10 [ 80.201032][ T1178] ret_from_fork+0x983/0xb10 [ 80.202478][ T1178] ? __pfx_ret_from_fork+0x10/0x10 [ 80.204165][ T1178] ? __switch_to+0x7af/0x10d0 [ 80.205667][ T1178] ? __pfx_kthread+0x10/0x10 [ 80.207127][ T1178] ret_from_fork_asm+0x1a/0x30 [ 80.208757][ T1178] [ 80.210791][ T1178] Kernel Offset: disabled [ 80.212332][ T1178] Rebooting in 86400 seconds..