Warning: Permanently added '10.128.1.187' (ED25519) to the list of known hosts.
2026/04/22 03:56:40 ignoring optional flag "type"="gce"
2026/04/22 03:56:41 parsed 1 programs
[ 71.329655][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.336279][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
2026/04/22 03:56:43 executed programs: 0
[ 72.331942][ T4397] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 72.495629][ T4500] chnl_net:caif_netlink_parms(): no params data found
[ 72.531905][ T4500] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.539070][ T4500] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.546969][ T4500] device bridge_slave_0 entered promiscuous mode
[ 72.555657][ T4500] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.562756][ T4500] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.570610][ T4500] device bridge_slave_1 entered promiscuous mode
[ 72.589870][ T4500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 72.600730][ T4500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 72.621681][ T4500] team0: Port device team_slave_0 added
[ 72.629040][ T4500] team0: Port device team_slave_1 added
[ 72.646694][ T4500] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 72.653661][ T4500] 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 1560 would solve the problem.
[ 72.679872][ T4500] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 72.691675][ T4500] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 72.698820][ T4500] 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 1560 would solve the problem.
[ 72.724871][ T4500] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 72.752459][ T4500] device hsr_slave_0 entered promiscuous mode
[ 72.759372][ T4500] device hsr_slave_1 entered promiscuous mode
[ 73.253010][ T4500] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 73.262919][ T4500] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 73.274047][ T4500] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 73.284248][ T4500] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 73.309796][ T4500] bridge0: port 2(bridge_slave_1) entered blocking state
[ 73.316940][ T4500] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 73.324298][ T4500] bridge0: port 1(bridge_slave_0) entered blocking state
[ 73.331427][ T4500] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 73.384091][ T4500] 8021q: adding VLAN 0 to HW filter on device bond0
[ 73.400197][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 73.411022][ T1278] bridge0: port 1(bridge_slave_0) entered disabled state
[ 73.420847][ T1278] bridge0: port 2(bridge_slave_1) entered disabled state
[ 73.430382][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 73.446059][ T4500] 8021q: adding VLAN 0 to HW filter on device team0
[ 73.459018][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 73.467877][ T1278] bridge0: port 1(bridge_slave_0) entered blocking state
[ 73.475000][ T1278] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 73.497459][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 73.508889][ T1278] bridge0: port 2(bridge_slave_1) entered blocking state
[ 73.516031][ T1278] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 73.528934][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 73.549723][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 73.559337][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 73.576882][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 73.588335][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 73.597077][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 73.606642][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 73.616869][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 73.629877][ T4500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 73.747975][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 73.757578][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 73.770299][ T4500] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 73.792956][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 73.804755][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 73.824337][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 73.833081][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 73.842884][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 73.851030][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 73.861743][ T4500] device veth0_vlan entered promiscuous mode
[ 73.874835][ T4500] device veth1_vlan entered promiscuous mode
[ 73.897438][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 73.906664][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 73.914833][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 73.924390][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 73.936908][ T4500] device veth0_macvtap entered promiscuous mode
[ 73.947117][ T4500] device veth1_macvtap entered promiscuous mode
[ 73.963443][ T4500] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 73.972832][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 73.981569][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 73.989979][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 73.999028][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 74.010869][ T4500] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 74.020648][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 74.029859][ T1278] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 74.042218][ T4500] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.051822][ T4500] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.062259][ T4500] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.071829][ T4500] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 74.132490][ T4585] syz-executor.0 (pid 4585) is setting deprecated v1 encryption policy; recommend upgrading to v2.
[ 74.256969][ T4585] fscrypt: AES-128-CTS-CBC using implementation "cts-cbc-aes-aesni"
[ 74.307118][ T4605] FAULT_INJECTION: forcing a failure.
[ 74.307118][ T4605] name failslab, interval 1, probability 0, space 0, times 1
[ 74.320460][ T4605] CPU: 1 PID: 4605 Comm: syz-executor.0 Not tainted syzkaller #0
[ 74.328204][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 74.338347][ T4605] Call Trace:
[ 74.341633][ T4605]
[ 74.344588][ T4605] dump_stack_lvl+0x188/0x250
[ 74.349297][ T4605] ? show_regs_print_info+0x20/0x20
[ 74.354515][ T4605] ? load_image+0x400/0x400
[ 74.359027][ T4605] ? __might_sleep+0xf0/0xf0
[ 74.363628][ T4605] ? __lock_acquire+0x7d10/0x7d10
[ 74.368715][ T4605] should_fail+0x38c/0x4c0
[ 74.373234][ T4605] should_failslab+0x5/0x20
[ 74.377741][ T4605] slab_pre_alloc_hook+0x51/0xc0
[ 74.382685][ T4605] ? jbd2__journal_start+0x13c/0x5a0
[ 74.387988][ T4605] kmem_cache_alloc+0x3d/0x290
[ 74.392767][ T4605] jbd2__journal_start+0x13c/0x5a0
[ 74.397895][ T4605] __ext4_journal_start_sb+0x167/0x360
[ 74.403374][ T4605] __ext4_new_inode+0x11d5/0x3a40
[ 74.408492][ T4605] ? d_splice_alias+0x110/0x320
[ 74.413556][ T4605] ? ext4_has_group_desc_csum+0x1f0/0x1f0
[ 74.419307][ T4605] ? from_kgid+0x169/0x690
[ 74.423736][ T4605] ? dquot_initialize+0x20/0x20
[ 74.428606][ T4605] ext4_symlink+0x4bd/0xca0
[ 74.433145][ T4605] ? ext4_unlink+0x500/0x500
[ 74.437750][ T4605] ? inode_permission+0xef/0x480
[ 74.442699][ T4605] ? bpf_lsm_inode_symlink+0x5/0x10
[ 74.445723][ T4187] Bluetooth: hci0: command 0x0409 tx timeout
[ 74.447982][ T4605] ? security_inode_symlink+0xb2/0x100
[ 74.459497][ T4605] vfs_symlink+0x247/0x3d0
[ 74.464019][ T4605] do_symlinkat+0x1ab/0x6b0
[ 74.468535][ T4605] ? vfs_symlink+0x3d0/0x3d0
[ 74.473137][ T4605] ? getname_flags+0x1fe/0x500
[ 74.478007][ T4605] __x64_sys_symlink+0x7a/0x90
[ 74.482781][ T4605] do_syscall_64+0x4c/0xa0
[ 74.487210][ T4605] ? clear_bhb_loop+0x30/0x80
[ 74.491922][ T4605] ? clear_bhb_loop+0x30/0x80
[ 74.496609][ T4605] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 74.502721][ T4605] RIP: 0033:0x7f96bf4ab179
[ 74.507150][ T4605] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 74.527032][ T4605] RSP: 002b:00007f96be83c0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 74.535460][ T4605] RAX: ffffffffffffffda RBX: 00007f96bf5e9f80 RCX: 00007f96bf4ab179
[ 74.543445][ T4605] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
[ 74.551446][ T4605] RBP: 00007f96be83c120 R08: 0000000000000000 R09: 0000000000000000
[ 74.559518][ T4605] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 74.567590][ T4605] R13: 000000000000000b R14: 00007f96bf5e9f80 R15: 00007ffc13e5a308
[ 74.575591][ T4605]
[ 74.586929][ T4605] EXT4-fs error (device sda1) in __ext4_new_inode:1095: Out of memory
[ 74.626479][ T4621] FAULT_INJECTION: forcing a failure.
[ 74.626479][ T4621] name failslab, interval 1, probability 0, space 0, times 0
[ 74.640281][ T4621] CPU: 0 PID: 4621 Comm: syz-executor.0 Not tainted syzkaller #0
[ 74.648016][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 74.658081][ T4621] Call Trace:
[ 74.661379][ T4621]
[ 74.664313][ T4621] dump_stack_lvl+0x188/0x250
[ 74.669007][ T4621] ? show_regs_print_info+0x20/0x20
[ 74.674232][ T4621] ? load_image+0x400/0x400
[ 74.678747][ T4621] ? __lock_acquire+0x7d10/0x7d10
[ 74.683789][ T4621] should_fail+0x38c/0x4c0
[ 74.688254][ T4621] should_failslab+0x5/0x20
[ 74.692921][ T4621] slab_pre_alloc_hook+0x51/0xc0
[ 74.697892][ T4621] __kmalloc+0x6b/0x330
[ 74.702070][ T4621] ? __fscrypt_encrypt_symlink+0x12d/0x3d0
[ 74.707913][ T4621] __fscrypt_encrypt_symlink+0x12d/0x3d0
[ 74.713586][ T4621] ? fscrypt_prepare_symlink+0x150/0x150
[ 74.719276][ T4621] ext4_symlink+0x58e/0xca0
[ 74.723904][ T4621] ? ext4_unlink+0x500/0x500
[ 74.728526][ T4621] ? inode_permission+0xef/0x480
[ 74.733495][ T4621] ? bpf_lsm_inode_symlink+0x5/0x10
[ 74.738729][ T4621] ? security_inode_symlink+0xb2/0x100
[ 74.744219][ T4621] vfs_symlink+0x247/0x3d0
[ 74.748670][ T4621] do_symlinkat+0x1ab/0x6b0
[ 74.753196][ T4621] ? vfs_symlink+0x3d0/0x3d0
[ 74.757813][ T4621] ? getname_flags+0x1fe/0x500
[ 74.762614][ T4621] __x64_sys_symlink+0x7a/0x90
[ 74.767516][ T4621] do_syscall_64+0x4c/0xa0
[ 74.771959][ T4621] ? clear_bhb_loop+0x30/0x80
[ 74.776655][ T4621] ? clear_bhb_loop+0x30/0x80
[ 74.781359][ T4621] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 74.787273][ T4621] RIP: 0033:0x7f96bf4ab179
[ 74.791844][ T4621] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 74.811471][ T4621] RSP: 002b:00007f96be83c0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 74.819915][ T4621] RAX: ffffffffffffffda RBX: 00007f96bf5e9f80 RCX: 00007f96bf4ab179
[ 74.827911][ T4621] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
[ 74.835907][ T4621] RBP: 00007f96be83c120 R08: 0000000000000000 R09: 0000000000000000
[ 74.843903][ T4621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 74.851897][ T4621] R13: 000000000000000b R14: 00007f96bf5e9f80 R15: 00007ffc13e5a308
[ 74.859993][ T4621]
[ 74.868524][ T4621] ==================================================================
[ 74.876957][ T4621] BUG: KASAN: use-after-free in jbd2_journal_get_write_access+0x136/0x140
[ 74.885611][ T4621] Read of size 4 at addr ffff888072a765fc by task syz-executor.0/4621
[ 74.893783][ T4621]
[ 74.896129][ T4621] CPU: 0 PID: 4621 Comm: syz-executor.0 Not tainted syzkaller #0
[ 74.903861][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 74.913932][ T4621] Call Trace:
[ 74.917394][ T4621]
[ 74.920441][ T4621] dump_stack_lvl+0x188/0x250
[ 74.925155][ T4621] ? show_regs_print_info+0x20/0x20
[ 74.930457][ T4621] ? _printk+0xda/0x130
[ 74.934625][ T4621] ? jbd2_journal_get_write_access+0x136/0x140
[ 74.940808][ T4621] ? load_image+0x400/0x400
[ 74.945332][ T4621] ? _raw_spin_lock_irqsave+0xbc/0x100
[ 74.950821][ T4621] print_address_description+0x60/0x2d0
[ 74.956388][ T4621] ? jbd2_journal_get_write_access+0x136/0x140
[ 74.962757][ T4621] kasan_report+0xdf/0x130
[ 74.967197][ T4621] ? jbd2_journal_get_write_access+0x136/0x140
[ 74.973396][ T4621] jbd2_journal_get_write_access+0x136/0x140
[ 74.979406][ T4621] __ext4_journal_get_write_access+0x24d/0x6e0
[ 74.985602][ T4621] ? __ext4_journal_ensure_credits+0x450/0x450
[ 74.991790][ T4621] ? jbd2_journal_stop+0x8c8/0xd20
[ 74.996926][ T4621] ext4_reserve_inode_write+0x203/0x2e0
[ 75.002507][ T4621] __ext4_mark_inode_dirty+0x142/0x700
[ 75.008079][ T4621] ? fscrypt_prepare_symlink+0x150/0x150
[ 75.013756][ T4621] ext4_symlink+0x907/0xca0
[ 75.018292][ T4621] ? ext4_unlink+0x500/0x500
[ 75.022908][ T4621] ? inode_permission+0xef/0x480
[ 75.027881][ T4621] ? bpf_lsm_inode_symlink+0x5/0x10
[ 75.033099][ T4621] ? security_inode_symlink+0xb2/0x100
[ 75.038605][ T4621] vfs_symlink+0x247/0x3d0
[ 75.043060][ T4621] do_symlinkat+0x1ab/0x6b0
[ 75.047605][ T4621] ? vfs_symlink+0x3d0/0x3d0
[ 75.052244][ T4621] ? getname_flags+0x1fe/0x500
[ 75.057229][ T4621] __x64_sys_symlink+0x7a/0x90
[ 75.062020][ T4621] do_syscall_64+0x4c/0xa0
[ 75.066465][ T4621] ? clear_bhb_loop+0x30/0x80
[ 75.071169][ T4621] ? clear_bhb_loop+0x30/0x80
[ 75.075960][ T4621] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.081875][ T4621] RIP: 0033:0x7f96bf4ab179
[ 75.086308][ T4621] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 75.105941][ T4621] RSP: 002b:00007f96be83c0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 75.114479][ T4621] RAX: ffffffffffffffda RBX: 00007f96bf5e9f80 RCX: 00007f96bf4ab179
[ 75.122577][ T4621] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
[ 75.130570][ T4621] RBP: 00007f96be83c120 R08: 0000000000000000 R09: 0000000000000000
[ 75.138566][ T4621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 75.146556][ T4621] R13: 000000000000000b R14: 00007f96bf5e9f80 R15: 00007ffc13e5a308
[ 75.154663][ T4621]
[ 75.157697][ T4621]
[ 75.160046][ T4621] Allocated by task 4621:
[ 75.164399][ T4621] __kasan_slab_alloc+0x9c/0xd0
[ 75.169280][ T4621] slab_post_alloc_hook+0x4c/0x380
[ 75.174409][ T4621] kmem_cache_alloc+0x100/0x290
[ 75.179280][ T4621] jbd2__journal_start+0x13c/0x5a0
[ 75.184441][ T4621] __ext4_journal_start_sb+0x167/0x360
[ 75.189924][ T4621] __ext4_new_inode+0x11d5/0x3a40
[ 75.194962][ T4621] ext4_symlink+0x4bd/0xca0
[ 75.199482][ T4621] vfs_symlink+0x247/0x3d0
[ 75.203911][ T4621] do_symlinkat+0x1ab/0x6b0
[ 75.208442][ T4621] __x64_sys_symlink+0x7a/0x90
[ 75.213431][ T4621] do_syscall_64+0x4c/0xa0
[ 75.217875][ T4621] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.223790][ T4621]
[ 75.226128][ T4621] Freed by task 4621:
[ 75.230111][ T4621] kasan_set_track+0x4b/0x70
[ 75.234720][ T4621] kasan_set_free_info+0x1f/0x40
[ 75.239678][ T4621] ____kasan_slab_free+0xd5/0x110
[ 75.244719][ T4621] slab_free_freelist_hook+0xea/0x170
[ 75.250101][ T4621] kmem_cache_free+0x8f/0x210
[ 75.254878][ T4621] jbd2_journal_stop+0x8c8/0xd20
[ 75.259916][ T4621] __ext4_journal_stop+0xf2/0x190
[ 75.264952][ T4621] ext4_symlink+0x5d8/0xca0
[ 75.269484][ T4621] vfs_symlink+0x247/0x3d0
[ 75.273920][ T4621] do_symlinkat+0x1ab/0x6b0
[ 75.278434][ T4621] __x64_sys_symlink+0x7a/0x90
[ 75.283216][ T4621] do_syscall_64+0x4c/0xa0
[ 75.287729][ T4621] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.293636][ T4621]
[ 75.295963][ T4621] The buggy address belongs to the object at ffff888072a765d8
[ 75.295963][ T4621] which belongs to the cache jbd2_journal_handle of size 56
[ 75.310633][ T4621] The buggy address is located 36 bytes inside of
[ 75.310633][ T4621] 56-byte region [ffff888072a765d8, ffff888072a76610)
[ 75.323845][ T4621] The buggy address belongs to the page:
[ 75.329500][ T4621] page:ffffea0001ca9d80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x72a76
[ 75.339762][ T4621] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[ 75.347475][ T4621] raw: 00fff00000000200 ffffea0001ca9c80 0000000200000002 ffff888146683640
[ 75.356114][ T4621] raw: 0000000000000000 00000000802e002e 00000001ffffffff 0000000000000000
[ 75.364709][ T4621] page dumped because: kasan: bad access detected
[ 75.371148][ T4621] page_owner tracks the page as allocated
[ 75.376878][ T4621] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x12c50(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_RECLAIMABLE), pid 4158, ts 42845580577, free_ts 13159993206
[ 75.394526][ T4621] get_page_from_freelist+0x1bbd/0x1ca0
[ 75.400106][ T4621] __alloc_pages+0x1ee/0x480
[ 75.404729][ T4621] new_slab+0xc0/0x4b0
[ 75.408830][ T4621] ___slab_alloc+0x80a/0xdd0
[ 75.413539][ T4621] kmem_cache_alloc+0x195/0x290
[ 75.418417][ T4621] jbd2__journal_start+0x13c/0x5a0
[ 75.423547][ T4621] __ext4_journal_start_sb+0x167/0x360
[ 75.429025][ T4621] ext4_dirty_inode+0x8b/0x100
[ 75.433823][ T4621] __mark_inode_dirty+0x2c8/0xc90
[ 75.438896][ T4621] generic_write_end+0x24d/0x3d0
[ 75.443931][ T4621] ext4_da_write_end+0x6f6/0x9c0
[ 75.448915][ T4621] generic_perform_write+0x350/0x550
[ 75.454217][ T4621] ext4_buffered_write_iter+0x25f/0x3b0
[ 75.459783][ T4621] ext4_file_write_iter+0x74d/0x1700
[ 75.465180][ T4621] vfs_write+0x745/0xd60
[ 75.469446][ T4621] ksys_write+0x152/0x260
[ 75.473803][ T4621] page last free stack trace:
[ 75.478518][ T4621] free_unref_page_prepare+0x637/0x6c0
[ 75.483996][ T4621] free_unref_page+0x8f/0x2a0
[ 75.488707][ T4621] free_contig_range+0x96/0xf0
[ 75.493660][ T4621] destroy_args+0xf0/0xa00
[ 75.498090][ T4621] debug_vm_pgtable+0x321/0x380
[ 75.502951][ T4621] do_one_initcall+0x272/0x730
[ 75.507822][ T4621] do_initcall_level+0x137/0x1f0
[ 75.512770][ T4621] do_initcalls+0x4b/0x90
[ 75.517112][ T4621] kernel_init_freeable+0x3e9/0x570
[ 75.522326][ T4621] kernel_init+0x19/0x1b0
[ 75.526686][ T4621] ret_from_fork+0x1f/0x30
[ 75.531111][ T4621]
[ 75.533438][ T4621] Memory state around the buggy address:
[ 75.539068][ T4621] ffff888072a76480: fb fb fb fb fb fb fc fc fc fc fb fb fb fb fb fb
[ 75.547143][ T4621] ffff888072a76500: fb fc fc fc fc fb fb fb fb fb fb fb fc fc fc fc
[ 75.555218][ T4621] >ffff888072a76580: fb fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb
[ 75.563335][ T4621] ^
[ 75.571415][ T4621] ffff888072a76600: fb fb fc fc fc fc fa fb fb fb fb fb fb fc fc fc
[ 75.579494][ T4621] ffff888072a76680: fc fa fb fb fb fb fb fb fc fc fc fc fa fb fb fb
[ 75.587830][ T4621] ==================================================================
[ 75.595903][ T4621] Disabling lock debugging due to kernel taint
[ 75.605483][ T4621] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 75.612702][ T4621] CPU: 1 PID: 4621 Comm: syz-executor.0 Tainted: G B syzkaller #0
[ 75.622004][ T4621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 75.632297][ T4621] Call Trace:
[ 75.635583][ T4621]
[ 75.638517][ T4621] dump_stack_lvl+0x188/0x250
[ 75.643209][ T4621] ? show_regs_print_info+0x20/0x20
[ 75.648429][ T4621] ? load_image+0x400/0x400
[ 75.652944][ T4621] panic+0x2e5/0x810
[ 75.656864][ T4621] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 75.663026][ T4621] ? bpf_jit_dump+0xd0/0xd0
[ 75.667546][ T4621] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 75.673543][ T4621] ? _raw_spin_unlock+0x40/0x40
[ 75.678486][ T4621] ? jbd2_journal_get_write_access+0x136/0x140
[ 75.684766][ T4621] check_panic_on_warn+0x80/0xa0
[ 75.689879][ T4621] ? jbd2_journal_get_write_access+0x136/0x140
[ 75.696050][ T4621] end_report+0x6d/0xf0
[ 75.700218][ T4621] kasan_report+0x102/0x130
[ 75.704733][ T4621] ? jbd2_journal_get_write_access+0x136/0x140
[ 75.710898][ T4621] jbd2_journal_get_write_access+0x136/0x140
[ 75.716893][ T4621] __ext4_journal_get_write_access+0x24d/0x6e0
[ 75.723081][ T4621] ? __ext4_journal_ensure_credits+0x450/0x450
[ 75.729252][ T4621] ? jbd2_journal_stop+0x8c8/0xd20
[ 75.734390][ T4621] ext4_reserve_inode_write+0x203/0x2e0
[ 75.740051][ T4621] __ext4_mark_inode_dirty+0x142/0x700
[ 75.745519][ T4621] ? fscrypt_prepare_symlink+0x150/0x150
[ 75.751165][ T4621] ext4_symlink+0x907/0xca0
[ 75.755680][ T4621] ? ext4_unlink+0x500/0x500
[ 75.760277][ T4621] ? inode_permission+0xef/0x480
[ 75.765319][ T4621] ? bpf_lsm_inode_symlink+0x5/0x10
[ 75.770526][ T4621] ? security_inode_symlink+0xb2/0x100
[ 75.775997][ T4621] vfs_symlink+0x247/0x3d0
[ 75.780427][ T4621] do_symlinkat+0x1ab/0x6b0
[ 75.784949][ T4621] ? vfs_symlink+0x3d0/0x3d0
[ 75.789557][ T4621] ? getname_flags+0x1fe/0x500
[ 75.794338][ T4621] __x64_sys_symlink+0x7a/0x90
[ 75.799110][ T4621] do_syscall_64+0x4c/0xa0
[ 75.803534][ T4621] ? clear_bhb_loop+0x30/0x80
[ 75.808217][ T4621] ? clear_bhb_loop+0x30/0x80
[ 75.812905][ T4621] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 75.818806][ T4621] RIP: 0033:0x7f96bf4ab179
[ 75.823274][ T4621] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[ 75.843142][ T4621] RSP: 002b:00007f96be83c0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 75.851564][ T4621] RAX: ffffffffffffffda RBX: 00007f96bf5e9f80 RCX: 00007f96bf4ab179
[ 75.859814][ T4621] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000140
[ 75.867798][ T4621] RBP: 00007f96be83c120 R08: 0000000000000000 R09: 0000000000000000
[ 75.875805][ T4621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 75.883905][ T4621] R13: 000000000000000b R14: 00007f96bf5e9f80 R15: 00007ffc13e5a308
[ 75.892112][ T4621]
[ 75.895556][ T4621] Kernel Offset: disabled
[ 75.899887][ T4621] Rebooting in 86400 seconds..