no interfaces have a carrier
[ 51.544999][ T5256] 8021q: adding VLAN 0 to HW filter on device bond0
[ 51.570006][ T5256] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK
syzkaller
syzkaller login: [ 81.766935][ T10] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.50' (ED25519) to the list of known hosts.
2026/05/04 17:05:28 parsed 1 programs
[ 133.876606][ T5628] cgroup: Unknown subsys name 'net'
[ 134.157580][ T5628] cgroup: Unknown subsys name 'cpuset'
[ 134.223166][ T5628] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 135.815319][ T5628] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 139.226278][ T5649] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 139.231574][ T5649] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 139.235737][ T5649] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 139.264724][ T5649] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 139.265852][ T5649] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 140.965076][ T5665] bridge0: port 1(bridge_slave_0) entered blocking state
[ 140.967423][ T5665] bridge0: port 1(bridge_slave_0) entered disabled state
[ 140.973086][ T5665] bridge_slave_0: entered allmulticast mode
[ 140.975629][ T5665] bridge_slave_0: entered promiscuous mode
[ 141.000852][ T5665] bridge0: port 2(bridge_slave_1) entered blocking state
[ 141.000958][ T5665] bridge0: port 2(bridge_slave_1) entered disabled state
[ 141.001132][ T5665] bridge_slave_1: entered allmulticast mode
[ 141.023414][ T5665] bridge_slave_1: entered promiscuous mode
[ 141.063574][ T5665] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 141.066592][ T5665] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 141.101172][ T5665] team0: Port device team_slave_0 added
[ 141.104104][ T5665] team0: Port device team_slave_1 added
[ 141.130993][ T5665] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 141.131004][ T5665] 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.
[ 141.131017][ T5665] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 141.137422][ T5665] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 141.137437][ T5665] 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.
[ 141.137461][ T5665] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 141.334285][ T5665] hsr_slave_0: entered promiscuous mode
[ 141.335212][ T5665] hsr_slave_1: entered promiscuous mode
[ 141.608152][ T5665] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 141.655769][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 141.657650][ T5665] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 141.695803][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 141.697971][ T5665] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 141.751909][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 141.763177][ T5665] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 141.798793][ T5665] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 141.841927][ T5665] bridge0: port 2(bridge_slave_1) entered blocking state
[ 141.842077][ T5665] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 141.849581][ T5665] bridge0: port 1(bridge_slave_0) entered blocking state
[ 141.850713][ T5665] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 141.903416][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state
[ 141.942830][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state
[ 142.151790][ T5665] 8021q: adding VLAN 0 to HW filter on device bond0
[ 142.186932][ T5665] 8021q: adding VLAN 0 to HW filter on device team0
[ 142.201590][ T69] bridge0: port 1(bridge_slave_0) entered blocking state
[ 142.208521][ T69] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 142.234744][ T1471] bridge0: port 2(bridge_slave_1) entered blocking state
[ 142.234858][ T1471] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 142.599127][ T5665] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 142.659248][ T5665] veth0_vlan: entered promiscuous mode
[ 142.670807][ T5665] veth1_vlan: entered promiscuous mode
[ 142.716635][ T5665] veth0_macvtap: entered promiscuous mode
[ 142.722265][ T5665] veth1_macvtap: entered promiscuous mode
[ 142.745959][ T5665] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 142.771021][ T5665] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 142.794902][ T1471] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 142.798421][ T1471] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 142.799256][ T1471] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 142.799452][ T1471] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 143.567008][ T1012] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 143.806052][ T1012] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 143.910835][ T4042] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 143.910860][ T4042] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 144.007120][ T1471] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 144.007141][ T1471] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 144.245420][ T1012] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 144.546988][ T1012] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 146.173344][ T1012] bridge_slave_1: left allmulticast mode
[ 146.173522][ T1012] bridge_slave_1: left promiscuous mode
[ 146.177240][ T1012] bridge0: port 2(bridge_slave_1) entered disabled state
[ 146.263570][ T1012] bridge_slave_0: left allmulticast mode
[ 146.263593][ T1012] bridge_slave_0: left promiscuous mode
[ 146.263747][ T1012] bridge0: port 1(bridge_slave_0) entered disabled state
[ 146.933121][ T1012] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 146.993386][ T1012] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 147.035824][ T1012] bond0 (unregistering): Released all slaves
[ 147.070754][ T5256] 8021q: adding VLAN 0 to HW filter on device eth1
[ 147.415742][ T1012] hsr_slave_0: left promiscuous mode
[ 147.462942][ T1012] hsr_slave_1: left promiscuous mode
[ 147.471032][ T1012] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 147.471112][ T1012] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 147.525774][ T1012] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 147.525802][ T1012] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 147.718832][ T1012] veth1_macvtap: left promiscuous mode
[ 147.719055][ T1012] veth0_macvtap: left promiscuous mode
[ 147.719318][ T1012] veth1_vlan: left promiscuous mode
[ 147.719612][ T1012] veth0_vlan: left promiscuous mode
[ 148.394124][ T1012] team0 (unregistering): Port device team_slave_1 removed
[ 148.433108][ T1012] team0 (unregistering): Port device team_slave_0 removed
[ 148.614500][ T5256] 8021q: adding VLAN 0 to HW filter on device eth2
[ 149.656248][ T5256] 8021q: adding VLAN 0 to HW filter on device eth3
[ 150.754307][ T5256] 8021q: adding VLAN 0 to HW filter on device eth4
2026/05/04 17:05:48 executed programs: 0
[ 151.817382][ T5649] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 151.847328][ T5649] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 151.850459][ T5649] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 151.851706][ T5649] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 151.865968][ T5649] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 152.941606][ T5813] bridge0: port 1(bridge_slave_0) entered blocking state
[ 152.941731][ T5813] bridge0: port 1(bridge_slave_0) entered disabled state
[ 152.941826][ T5813] bridge_slave_0: entered allmulticast mode
[ 152.963545][ T5813] bridge_slave_0: entered promiscuous mode
[ 152.967705][ T5813] bridge0: port 2(bridge_slave_1) entered blocking state
[ 152.967836][ T5813] bridge0: port 2(bridge_slave_1) entered disabled state
[ 152.967946][ T5813] bridge_slave_1: entered allmulticast mode
[ 152.969340][ T5813] bridge_slave_1: entered promiscuous mode
[ 153.007735][ T5813] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 153.010955][ T5813] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 153.045205][ T5813] team0: Port device team_slave_0 added
[ 153.047330][ T5813] team0: Port device team_slave_1 added
[ 153.073395][ T5813] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 153.073411][ T5813] 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.
[ 153.073426][ T5813] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 153.076253][ T5813] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 153.076266][ T5813] 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.
[ 153.076290][ T5813] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 153.400102][ T5813] hsr_slave_0: entered promiscuous mode
[ 153.400879][ T5813] hsr_slave_1: entered promiscuous mode
[ 153.922712][ T4911] Bluetooth: hci0: command tx timeout
[ 155.485556][ T5813] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 155.509297][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 155.511464][ T5813] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 155.548226][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 155.549323][ T5813] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 155.594152][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 155.595248][ T5813] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 155.629241][ T5813] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 155.808499][ T5813] 8021q: adding VLAN 0 to HW filter on device bond0
[ 155.867785][ T5813] 8021q: adding VLAN 0 to HW filter on device team0
[ 155.887275][ T69] bridge0: port 1(bridge_slave_0) entered blocking state
[ 155.888102][ T69] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 155.899121][ T69] bridge0: port 2(bridge_slave_1) entered blocking state
[ 155.899311][ T69] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 155.992686][ T4911] Bluetooth: hci0: command tx timeout
[ 156.490837][ T5813] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 156.581336][ T5813] veth0_vlan: entered promiscuous mode
[ 156.611010][ T5813] veth1_vlan: entered promiscuous mode
[ 156.666619][ T5813] veth0_macvtap: entered promiscuous mode
[ 156.684567][ T5813] veth1_macvtap: entered promiscuous mode
[ 156.727684][ T5813] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 156.750697][ T5813] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 156.767741][ T1012] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 156.767787][ T1012] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 156.767828][ T1012] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 156.767859][ T1012] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 157.327123][ T1012] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 157.327145][ T1012] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 157.450721][ T177] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 157.450740][ T177] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
2026/05/04 17:05:54 executed programs: 2
[ 157.622257][ T5947] loop0: detected capacity change from 0 to 512
[ 157.829153][ T5947] EXT4-fs error (device loop0): ext4_map_blocks:791: inode #11: block 2: comm syz.0.17: lblock 9 mapped to illegal pblock 2 (length 1)
[ 157.829318][ T5947] loop0: lost file I/O erro[ 157.829318][ T5947] loop0: lost file I/O error report for ino 11 type 5 pos 0x0 len 0x0 error -117
[ 157.833239][ C1] EXT4-fs (loop0): error count since last fsck: 1
[ 157.833257][ C1] EXT4-fs (loop0): initial error at time 1777914354: ext4_map_blocks:791: inode 11: block 2
[ 157.833303][ C1] EXT4-fs (loop0): last error at time 1777914354: ext4_map_blocks:791: inode 11: block 2
[ 157.836242][ T5947] EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck.
[ 157.845842][ T5947] ------------[ cut here ]------------
[ 157.845854][ T5947] EA inode 11 i_nlink=2
[ 157.845871][ T5947] WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x4c9/0x5a0, CPU#1: syz.0.17/5947
[ 157.845919][ T5947] Modules linked in:
[ 157.845952][ T5947] CPU: 1 UID: 0 PID: 5947 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 157.845971][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 157.845984][ T5947] RIP: 0010:ext4_xattr_inode_update_ref+0x511/0x5a0
[ 157.846009][ T5947] Code: 74 08 4c 89 ef e8 7f 30 9b ff 4d 8b 6d 00 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 75 77 41 8b 17 4c 89 e7 4c 89 ee <67> 48 0f b9 3a 4c 8b 6c 24 28 e9 59 fe ff ff e8 7b 09 8c 08 44 89
[ 157.846023][ T5947] RSP: 0018:ffffc900038c7240 EFLAGS: 00010246
[ 157.846037][ T5947] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: dffffc0000000000
[ 157.846048][ T5947] RDX: 0000000000000002 RSI: 000000000000000b RDI: ffffffff8f8f2f70
[ 157.846060][ T5947] RBP: ffffc900038c7330 R08: 0000000000000000 R09: 0000000000000000
[ 157.846071][ T5947] R10: dffffc0000000000 R11: ffffed1008ac47fc R12: ffffffff8f8f2f70
[ 157.846084][ T5947] R13: 000000000000000b R14: 1ffff11008ac47c0 R15: ffff888045623e00
[ 157.846096][ T5947] FS: 000055558564b500(0000) GS:ffff888126279000(0000) knlGS:0000000000000000
[ 157.846111][ T5947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 157.846123][ T5947] CR2: 00007fbf22624440 CR3: 0000000036c4c000 CR4: 00000000003526f0
[ 157.846138][ T5947] Call Trace:
[ 157.846144][ T5947]
[ 157.846159][ T5947] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10
[ 157.846191][ T5947] ? __kmalloc_cache_noprof+0x3a6/0x690
[ 157.846213][ T5947] ? __ext4_journal_ensure_credits+0x30/0x450
[ 157.846243][ T5947] ext4_xattr_inode_dec_ref_all+0x8c9/0xe40
[ 157.846282][ T5947] ? __pfx_ext4_xattr_inode_dec_ref_all+0x10/0x10
[ 157.846303][ T5947] ? __ext4_journal_get_write_access+0x27f/0x590
[ 157.846328][ T5947] ? __pfx___ext4_journal_get_write_access+0x10/0x10
[ 157.846361][ T5947] ext4_xattr_delete_inode+0xb45/0xd10
[ 157.846393][ T5947] ? ext4_truncate+0xb93/0x10b0
[ 157.846413][ T5947] ? __pfx_ext4_xattr_delete_inode+0x10/0x10
[ 157.846446][ T5947] ext4_evict_inode+0xc4e/0x10e0
[ 157.846463][ T5947] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 157.846497][ T5947] ? __pfx_ext4_evict_inode+0x10/0x10
[ 157.846513][ T5947] ? rt_spin_unlock+0x14f/0x200
[ 157.846542][ T5947] ? rt_spin_unlock+0x160/0x200
[ 157.846563][ T5947] ? __pfx_ext4_evict_inode+0x10/0x10
[ 157.846584][ T5947] evict+0x61e/0xb10
[ 157.846613][ T5947] ? __pfx_evict+0x10/0x10
[ 157.846631][ T5947] ? rt_spin_unlock+0x160/0x200
[ 157.846655][ T5947] ? iput+0xb25/0xe80
[ 157.847423][ T5947] ext4_orphan_cleanup+0xc38/0x1470
[ 157.847478][ T5947] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 157.847501][ T5947] ? ext4_register_li_request+0x640/0x720
[ 157.847520][ T5947] ? errseq_check_and_advance+0x66/0x120
[ 157.847544][ T5947] ext4_fill_super+0x59bb/0x62d0
[ 157.847591][ T5947] ? __pfx_ext4_fill_super+0x10/0x10
[ 157.847614][ T5947] ? snprintf+0xe8/0x140
[ 157.847634][ T5947] ? reacquire_held_locks+0x104/0x190
[ 157.847658][ T5947] ? rt_spin_lock+0x1e0/0x400
[ 157.847684][ T5947] ? __pfx_snprintf+0x10/0x10
[ 157.847720][ T5947] ? sb_set_blocksize+0x11b/0x210
[ 157.847745][ T5947] ? setup_bdev_super+0x4c1/0x5b0
[ 157.847768][ T5947] get_tree_bdev_flags+0x431/0x4f0
[ 157.847790][ T5947] ? __pfx_ext4_fill_super+0x10/0x10
[ 157.847814][ T5947] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 157.847834][ T5947] ? cap_capable+0x123/0x460
[ 157.847856][ T5947] ? safesetid_security_capable+0xa9/0x1a0
[ 157.847885][ T5947] vfs_get_tree+0x92/0x2a0
[ 157.847908][ T5947] do_new_mount+0x341/0xd30
[ 157.847931][ T5947] ? safesetid_security_capable+0xa9/0x1a0
[ 157.847957][ T5947] ? __pfx_do_new_mount+0x10/0x10
[ 157.847981][ T5947] ? ns_capable+0x89/0xe0
[ 157.848003][ T5947] ? user_path_at+0xd4/0x160
[ 157.848025][ T5947] ? user_path_at+0xd4/0x160
[ 157.848045][ T5947] __se_sys_mount+0x31d/0x420
[ 157.848075][ T5947] ? __pfx___se_sys_mount+0x10/0x10
[ 157.848105][ T5947] ? __x64_sys_mount+0x20/0xc0
[ 157.848128][ T5947] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 157.848147][ T5947] do_syscall_64+0x15f/0xf80
[ 157.848166][ T5947] ? trace_irq_disable+0x3b/0x140
[ 157.848184][ T5947] ? clear_bhb_loop+0x40/0x90
[ 157.848204][ T5947] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 157.848221][ T5947] RIP: 0033:0x7f157f19e04a
[ 157.848247][ T5947] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 157.848261][ T5947] RSP: 002b:00007fff3d67e908 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 157.848280][ T5947] RAX: ffffffffffffffda RBX: 00007fff3d67e990 RCX: 00007f157f19e04a
[ 157.848293][ T5947] RDX: 0000200000000180 RSI: 0000200000000280 RDI: 00007fff3d67e950
[ 157.848305][ T5947] RBP: 0000200000000180 R08: 00007fff3d67e990 R09: 0000000000800718
[ 157.848317][ T5947] R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000280
[ 157.848328][ T5947] R13: 00007fff3d67e950 R14: 00000000000004a4 R15: 0000200000001000
[ 157.848358][ T5947]
[ 157.848368][ T5947] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 157.848381][ T5947] CPU: 1 UID: 0 PID: 5947 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 157.848402][ T5947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 157.848412][ T5947] Call Trace:
[ 157.848419][ T5947]
[ 157.848425][ T5947] vpanic+0x56c/0xa60
[ 157.848447][ T5947] ? __pfx__printk+0x10/0x10
[ 157.848470][ T5947] ? __pfx_vpanic+0x10/0x10
[ 157.848488][ T5947] ? is_bpf_text_address+0x292/0x2b0
[ 157.848510][ T5947] ? is_bpf_text_address+0x26/0x2b0
[ 157.848539][ T5947] panic+0xc5/0xd0
[ 157.848559][ T5947] ? __pfx_panic+0x10/0x10
[ 157.848595][ T5947] __warn+0x315/0x4c0
[ 157.848613][ T5947] ? ext4_xattr_inode_update_ref+0x4c9/0x5a0
[ 157.848639][ T5947] ? ext4_xattr_inode_update_ref+0x4c9/0x5a0
[ 157.848665][ T5947] __report_bug+0x29a/0x540
[ 157.848683][ T5947] ? ext4_get_group_desc+0x434/0x4e0
[ 157.848708][ T5947] ? ext4_xattr_inode_update_ref+0x4c9/0x5a0
[ 157.848739][ T5947] ? __pfx___report_bug+0x10/0x10
[ 157.848770][ T5947] ? set_normalized_timespec64+0xf0/0x1a0
[ 157.848798][ T5947] report_bug_entry+0x19a/0x290
[ 157.848817][ T5947] ? ext4_xattr_inode_update_ref+0x511/0x5a0
[ 157.848840][ T5947] ? ext4_xattr_inode_update_ref+0x516/0x5a0
[ 157.848863][ T5947] handle_bug+0xce/0x200
[ 157.848885][ T5947] exc_invalid_op+0x1a/0x50
[ 157.848906][ T5947] asm_exc_invalid_op+0x1a/0x20
[ 157.848922][ T5947] RIP: 0010:ext4_xattr_inode_update_ref+0x511/0x5a0
[ 157.848946][ T5947] Code: 74 08 4c 89 ef e8 7f 30 9b ff 4d 8b 6d 00 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 75 77 41 8b 17 4c 89 e7 4c 89 ee <67> 48 0f b9 3a 4c 8b 6c 24 28 e9 59 fe ff ff e8 7b 09 8c 08 44 89
[ 157.848960][ T5947] RSP: 0018:ffffc900038c7240 EFLAGS: 00010246
[ 157.848975][ T5947] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: dffffc0000000000
[ 157.848986][ T5947] RDX: 0000000000000002 RSI: 000000000000000b RDI: ffffffff8f8f2f70
[ 157.848998][ T5947] RBP: ffffc900038c7330 R08: 0000000000000000 R09: 0000000000000000
[ 157.849009][ T5947] R10: dffffc0000000000 R11: ffffed1008ac47fc R12: ffffffff8f8f2f70
[ 157.849022][ T5947] R13: 000000000000000b R14: 1ffff11008ac47c0 R15: ffff888045623e00
[ 157.849057][ T5947] ? __pfx_ext4_xattr_inode_update_ref+0x10/0x10
[ 157.849086][ T5947] ? __kmalloc_cache_noprof+0x3a6/0x690
[ 157.849106][ T5947] ? __ext4_journal_ensure_credits+0x30/0x450
[ 157.849135][ T5947] ext4_xattr_inode_dec_ref_all+0x8c9/0xe40
[ 157.849175][ T5947] ? __pfx_ext4_xattr_inode_dec_ref_all+0x10/0x10
[ 157.849197][ T5947] ? __ext4_journal_get_write_access+0x27f/0x590
[ 157.849224][ T5947] ? __pfx___ext4_journal_get_write_access+0x10/0x10
[ 157.849257][ T5947] ext4_xattr_delete_inode+0xb45/0xd10
[ 157.849289][ T5947] ? ext4_truncate+0xb93/0x10b0
[ 157.849311][ T5947] ? __pfx_ext4_xattr_delete_inode+0x10/0x10
[ 157.849349][ T5947] ext4_evict_inode+0xc4e/0x10e0
[ 157.849367][ T5947] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 157.849397][ T5947] ? __pfx_ext4_evict_inode+0x10/0x10
[ 157.849414][ T5947] ? rt_spin_unlock+0x14f/0x200
[ 157.849441][ T5947] ? rt_spin_unlock+0x160/0x200
[ 157.849462][ T5947] ? __pfx_ext4_evict_inode+0x10/0x10
[ 157.849482][ T5947] evict+0x61e/0xb10
[ 157.849511][ T5947] ? __pfx_evict+0x10/0x10
[ 157.849529][ T5947] ? rt_spin_unlock+0x160/0x200
[ 157.849555][ T5947] ? iput+0xb25/0xe80
[ 157.849579][ T5947] ext4_orphan_cleanup+0xc38/0x1470
[ 157.849610][ T5947] ? __pfx_ext4_orphan_cleanup+0x10/0x10
[ 157.849639][ T5947] ? ext4_register_li_request+0x640/0x720
[ 157.849658][ T5947] ? errseq_check_and_advance+0x66/0x120
[ 157.849681][ T5947] ext4_fill_super+0x59bb/0x62d0
[ 157.849731][ T5947] ? __pfx_ext4_fill_super+0x10/0x10
[ 157.849754][ T5947] ? snprintf+0xe8/0x140
[ 157.849773][ T5947] ? reacquire_held_locks+0x104/0x190
[ 157.849794][ T5947] ? rt_spin_lock+0x1e0/0x400
[ 157.849818][ T5947] ? __pfx_snprintf+0x10/0x10
[ 157.849848][ T5947] ? sb_set_blocksize+0x11b/0x210
[ 157.849878][ T5947] ? setup_bdev_super+0x4c1/0x5b0
[ 157.849901][ T5947] get_tree_bdev_flags+0x431/0x4f0
[ 157.849922][ T5947] ? __pfx_ext4_fill_super+0x10/0x10
[ 157.849945][ T5947] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 157.849965][ T5947] ? cap_capable+0x123/0x460
[ 157.849986][ T5947] ? safesetid_security_capable+0xa9/0x1a0
[ 157.850015][ T5947] vfs_get_tree+0x92/0x2a0
[ 157.850038][ T5947] do_new_mount+0x341/0xd30
[ 157.850060][ T5947] ? safesetid_security_capable+0xa9/0x1a0
[ 157.850086][ T5947] ? __pfx_do_new_mount+0x10/0x10
[ 157.850110][ T5947] ? ns_capable+0x89/0xe0
[ 157.850133][ T5947] ? user_path_at+0xd4/0x160
[ 157.850155][ T5947] ? user_path_at+0xd4/0x160
[ 157.850175][ T5947] __se_sys_mount+0x31d/0x420
[ 157.850204][ T5947] ? __pfx___se_sys_mount+0x10/0x10
[ 157.850234][ T5947] ? __x64_sys_mount+0x20/0xc0
[ 157.850258][ T5947] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 157.850277][ T5947] do_syscall_64+0x15f/0xf80
[ 157.850294][ T5947] ? trace_irq_disable+0x3b/0x140
[ 157.850314][ T5947] ? clear_bhb_loop+0x40/0x90
[ 157.850335][ T5947] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 157.850353][ T5947] RIP: 0033:0x7f157f19e04a
[ 157.850368][ T5947] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 157.850381][ T5947] RSP: 002b:00007fff3d67e908 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 157.850398][ T5947] RAX: ffffffffffffffda RBX: 00007fff3d67e990 RCX: 00007f157f19e04a
[ 157.850410][ T5947] RDX: 0000200000000180 RSI: 0000200000000280 RDI: 00007fff3d67e950
[ 157.850423][ T5947] RBP: 0000200000000180 R08: 00007fff3d67e990 R09: 0000000000800718
[ 157.850435][ T5947] R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000280
[ 157.850447][ T5947] R13: 00007fff3d67e950 R14: 00000000000004a4 R15: 0000200000001000
[ 157.850475][ T5947]
[ 157.850872][ T5947] Kernel Offset: disabled