Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts. [ 23.022437][ T23] audit: type=1400 audit(1746706128.880:81): avc: denied { execmem } for pid=335 comm="syz-executor444" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.042229][ T23] audit: type=1400 audit(1746706128.880:82): avc: denied { mounton } for pid=335 comm="syz-executor444" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 23.068849][ T23] audit: type=1400 audit(1746706128.880:83): avc: denied { mount } for pid=335 comm="syz-executor444" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 23.074868][ T337] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 23.092991][ T23] audit: type=1400 audit(1746706128.880:84): avc: denied { setattr } for pid=335 comm="syz-executor444" name="raw-gadget" dev="devtmpfs" ino=10825 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 23.125625][ T23] audit: type=1400 audit(1746706128.960:85): avc: denied { relabelto } for pid=337 comm="mkswap" name="swap-file" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 23.152365][ T23] audit: type=1400 audit(1746706128.960:86): avc: denied { write } for pid=337 comm="mkswap" path="/root/swap-file" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 23.181799][ T23] audit: type=1400 audit(1746706129.040:87): avc: denied { read } for pid=335 comm="syz-executor444" name="swap-file" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 23.208423][ T23] audit: type=1400 audit(1746706129.040:88): avc: denied { open } for pid=335 comm="syz-executor444" path="/root/swap-file" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 23.235922][ T335] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.247885][ T23] audit: type=1400 audit(1746706129.100:89): avc: denied { mounton } for pid=338 comm="syz-executor444" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 23.270720][ T23] audit: type=1400 audit(1746706129.100:90): avc: denied { module_request } for pid=338 comm="syz-executor444" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 23.289695][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.299973][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.307447][ T338] device bridge_slave_0 entered promiscuous mode [ 23.314182][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.321309][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.328765][ T338] device bridge_slave_1 entered promiscuous mode [ 23.361269][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.368396][ T338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.375772][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.382837][ T338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.400909][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.408759][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.416485][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 23.424128][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.433488][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 23.441620][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.448632][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.457659][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 23.466156][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.473306][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.485411][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 23.494968][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 23.508474][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready executing program [ 23.519511][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.532053][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.543666][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.553838][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.571656][ T338] request_module fs-gadgetfs succeeded, but still no fs? [ 23.652055][ T338] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_lock,auto_da_alloc,nojournal_checksum,norecovery,auto_da_alloc,noquota,data_err=abort,grpid,grpjquota=,nouid32,grpid,,errors=continue [ 23.692434][ T338] EXT4-fs error (device loop0): ext4_validate_block_bitmap:418: comm syz-executor444: bg 0: block 234: padding at end of block bitmap is not set [ 23.790695][ T102] ------------[ cut here ]------------ [ 23.796421][ T102] kernel BUG at fs/ext4/inode.c:2844! [ 23.801863][ T102] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 23.807930][ T102] CPU: 1 PID: 102 Comm: kworker/u4:2 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0 [ 23.818561][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 23.828920][ T102] Workqueue: writeback wb_workfn (flush-7:0) [ 23.834914][ T102] RIP: 0010:ext4_writepages+0x2f83/0x2fb0 [ 23.840785][ T102] Code: 0f 94 c6 bf 02 00 00 00 e8 6a 29 a1 ff 84 db 75 2e e8 11 27 a1 ff 49 bc 00 00 00 00 00 fc ff df e9 47 f9 ff ff e8 fd 26 a1 ff <0f> 0b e8 f6 26 a1 ff 0f 0b e8 ef 26 a1 ff e8 ba ef 41 ff eb 9b e8 [ 23.861128][ T102] RSP: 0018:ffff8881ee8bf1a0 EFLAGS: 00010293 [ 23.867172][ T102] RAX: ffffffff81be57e3 RBX: 0000010410000000 RCX: ffff8881ee8b6e40 [ 23.875147][ T102] RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000 [ 23.883297][ T102] RBP: ffff8881ee8bf4f0 R08: dffffc0000000000 R09: ffffed103d3dde7d [ 23.891340][ T102] R10: ffffed103d3dde7d R11: 1ffff1103d3dde7c R12: dffffc0000000000 [ 23.899420][ T102] R13: ffff8881ee8bf810 R14: 0000010000000000 R15: ffff8881e9eef4b8 [ 23.907509][ T102] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.916931][ T102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.923702][ T102] CR2: 00007fa1e90169f8 CR3: 00000001ed519000 CR4: 00000000003406a0 [ 23.931932][ T102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.940066][ T102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.948424][ T102] Call Trace: [ 23.951924][ T102] ? check_preemption_disabled+0x9b/0x300 [ 23.957724][ T102] ? debug_smp_processor_id+0x20/0x20 [ 23.963071][ T102] ? debug_smp_processor_id+0x20/0x20 [ 23.968598][ T102] ? ext4_readpage+0x310/0x310 [ 23.973627][ T102] ? cpuacct_charge+0x16f/0x180 [ 23.978583][ T102] ? pick_next_task_fair+0x6a9/0x720 [ 23.984040][ T102] ? check_preemption_disabled+0x9b/0x300 [ 23.989757][ T102] ? debug_smp_processor_id+0x20/0x20 [ 23.995195][ T102] ? ext4_readpage+0x310/0x310 [ 24.000130][ T102] do_writepages+0x127/0x270 [ 24.004991][ T102] ? __writepage+0x120/0x120 [ 24.009606][ T102] ? check_preemption_disabled+0x9b/0x300 [ 24.015424][ T102] ? __kasan_check_write+0x14/0x20 [ 24.020659][ T102] ? ___preempt_schedule+0x16/0x20 [ 24.025879][ T102] __writeback_single_inode+0xd9/0xc30 [ 24.031412][ T102] ? wbc_attach_and_unlock_inode+0x3b3/0x5b0 [ 24.037458][ T102] writeback_sb_inodes+0x94f/0x1700 [ 24.042730][ T102] ? debug_smp_processor_id+0x20/0x20 [ 24.048171][ T102] ? queue_io+0x4e0/0x4e0 [ 24.052662][ T102] ? __kasan_check_read+0x11/0x20 [ 24.057754][ T102] wb_writeback+0x3e1/0xc20 [ 24.062330][ T102] ? wb_io_lists_depopulated+0x170/0x170 [ 24.067935][ T102] ? check_preemption_disabled+0x9b/0x300 [ 24.073627][ T102] ? debug_smp_processor_id+0x20/0x20 [ 24.078984][ T102] ? __kasan_check_write+0x14/0x20 [ 24.084431][ T102] ? check_preemption_disabled+0x9b/0x300 [ 24.090214][ T102] wb_workfn+0x375/0xf90 [ 24.094534][ T102] ? inode_wait_for_writeback+0x200/0x200 [ 24.100408][ T102] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.106045][ T102] ? finish_task_switch+0x12e/0x590 [ 24.111530][ T102] ? __schedule+0xa57/0x12a0 [ 24.116898][ T102] ? __kasan_check_read+0x11/0x20 [ 24.122148][ T102] ? read_word_at_a_time+0x12/0x20 [ 24.127258][ T102] ? strscpy+0x9b/0x290 [ 24.131863][ T102] process_one_work+0x73b/0xcc0 [ 24.136821][ T102] worker_thread+0xa5c/0x13b0 [ 24.141595][ T102] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 24.147145][ T102] kthread+0x31e/0x3a0 [ 24.151204][ T102] ? worker_clr_flags+0x190/0x190 [ 24.156307][ T102] ? kthread_blkcg+0xd0/0xd0 [ 24.161047][ T102] ret_from_fork+0x1f/0x30 [ 24.165444][ T102] Modules linked in: [ 24.170138][ T102] ---[ end trace 992180ab19abe17f ]--- [ 24.176209][ T102] RIP: 0010:ext4_writepages+0x2f83/0x2fb0 [ 24.182277][ T102] Code: 0f 94 c6 bf 02 00 00 00 e8 6a 29 a1 ff 84 db 75 2e e8 11 27 a1 ff 49 bc 00 00 00 00 00 fc ff df e9 47 f9 ff ff e8 fd 26 a1 ff <0f> 0b e8 f6 26 a1 ff 0f 0b e8 ef 26 a1 ff e8 ba ef 41 ff eb 9b e8 [ 24.202479][ T102] RSP: 0018:ffff8881ee8bf1a0 EFLAGS: 00010293 [ 24.208735][ T102] RAX: ffffffff81be57e3 RBX: 0000010410000000 RCX: ffff8881ee8b6e40 [ 24.216833][ T102] RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000 [ 24.224918][ T102] RBP: ffff8881ee8bf4f0 R08: dffffc0000000000 R09: ffffed103d3dde7d [ 24.233306][ T102] R10: ffffed103d3dde7d R11: 1ffff1103d3dde7c R12: dffffc0000000000 [ 24.241390][ T102] R13: ffff8881ee8bf810 R14: 0000010000000000 R15: ffff8881e9eef4b8 [ 24.249362][ T102] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.258321][ T102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.265087][ T102] CR2: 00007fa1e90169f8 CR3: 00000001ed519000 CR4: 00000000003406a0 [ 24.273962][ T102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.282432][ T102] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.290825][ T102] Kernel panic - not syncing: Fatal exception [ 24.297366][ T102] Kernel Offset: disabled [ 24.301772][ T102] Rebooting in 86400 seconds..