Warning: Permanently added '10.128.0.96' (ED25519) to the list of known hosts. 2026/01/18 01:28:30 ignoring optional flag "type"="gce" 2026/01/18 01:28:30 parsed 1 programs [ 39.434282][ T28] kauditd_printk_skb: 18 callbacks suppressed [ 39.434295][ T28] audit: type=1400 audit(1768699710.479:92): avc: denied { unlink } for pid=328 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2026/01/18 01:28:30 executed programs: 0 [ 39.487560][ T328] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 39.535872][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.543074][ T335] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.550556][ T335] device bridge_slave_0 entered promiscuous mode [ 39.557639][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.564926][ T335] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.572425][ T335] device bridge_slave_1 entered promiscuous mode [ 39.610259][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.617397][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.624782][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.631795][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.648285][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.655601][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.663109][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.670610][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.679748][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.687983][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.695195][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.703550][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.711907][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.719122][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.730339][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.739428][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.752202][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.762947][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.771113][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 39.778681][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 39.786839][ T335] device veth0_vlan entered promiscuous mode [ 39.796392][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.806086][ T335] device veth1_macvtap entered promiscuous mode [ 39.815713][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.825841][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.850865][ T346] loop0: detected capacity change from 0 to 2048 [ 39.858214][ T28] audit: type=1400 audit(1768699710.899:93): avc: denied { mounton } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir3589981764/syzkaller.NxhGes/0/file0" dev="sda1" ino=2035 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.895752][ T346] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 39.904426][ T28] audit: type=1400 audit(1768699710.949:94): avc: denied { mount } for pid=345 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 39.933107][ T351] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1097: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 39.933627][ T28] audit: type=1400 audit(1768699710.949:95): avc: denied { write } for pid=345 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 39.948399][ T351] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 456 with error 28 [ 39.970151][ T28] audit: type=1400 audit(1768699710.949:96): avc: denied { add_name } for pid=345 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 40.003508][ T28] audit: type=1400 audit(1768699710.949:97): avc: denied { create } for pid=345 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.018723][ T351] EXT4-fs (loop0): This should not happen!! Data will be lost [ 40.018723][ T351] [ 40.024529][ T28] audit: type=1400 audit(1768699710.949:98): avc: denied { read write open } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir3589981764/syzkaller.NxhGes/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.050693][ T351] EXT4-fs (loop0): Total free blocks count 0 [ 40.061971][ T28] audit: type=1400 audit(1768699710.969:99): avc: denied { map } for pid=345 comm="syz-executor.0" path="/root/syzkaller-testdir3589981764/syzkaller.NxhGes/0/file0/bus" dev="loop0" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 40.085618][ T351] EXT4-fs (loop0): Free/Dirty block details [ 40.100821][ T351] EXT4-fs (loop0): free_blocks=2415919104 [ 40.106759][ T351] EXT4-fs (loop0): dirty_blocks=4768 [ 40.112111][ T351] EXT4-fs (loop0): Block reservation details [ 40.118717][ T351] EXT4-fs (loop0): i_reserved_data_blocks=338 [ 40.239237][ T346] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 16392 with max blocks 2 with error 28 [ 40.254415][ T28] audit: type=1400 audit(1768699711.299:100): avc: denied { unmount } for pid=335 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 40.345076][ T353] loop0: detected capacity change from 0 to 2048 [ 40.355449][ T353] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 40.373264][ T357] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1097: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 40.388122][ T357] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 128 with error 28 [ 40.401886][ T357] EXT4-fs (loop0): This should not happen!! Data will be lost [ 40.401886][ T357] [ 40.411801][ T357] EXT4-fs (loop0): Total free blocks count 0 [ 40.418178][ T357] EXT4-fs (loop0): Free/Dirty block details [ 40.424501][ T357] EXT4-fs (loop0): free_blocks=2415919104 [ 40.430275][ T357] EXT4-fs (loop0): dirty_blocks=2448 [ 40.436435][ T357] EXT4-fs (loop0): Block reservation details [ 40.442453][ T357] EXT4-fs (loop0): i_reserved_data_blocks=192 [ 40.582448][ T353] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 16392 with max blocks 2 with error 28 [ 40.682776][ T359] loop0: detected capacity change from 0 to 2048 [ 40.696297][ T359] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 40.712164][ T362] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1097: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 40.727085][ T362] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 96 with error 28 [ 40.740729][ T362] EXT4-fs (loop0): This should not happen!! Data will be lost [ 40.740729][ T362] [ 40.751007][ T362] EXT4-fs (loop0): Total free blocks count 0 [ 40.757170][ T362] EXT4-fs (loop0): Free/Dirty block details [ 40.763212][ T362] EXT4-fs (loop0): free_blocks=2415919104 [ 40.769151][ T362] EXT4-fs (loop0): dirty_blocks=2400 [ 40.774738][ T362] EXT4-fs (loop0): Block reservation details [ 40.780764][ T362] EXT4-fs (loop0): i_reserved_data_blocks=190 [ 40.922862][ T359] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 16392 with max blocks 2 with error 28 [ 41.022971][ T364] loop0: detected capacity change from 0 to 2048 [ 41.045384][ T364] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 41.065150][ T368] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1097: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 41.080235][ T368] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 188 with error 28 [ 41.092784][ T368] EXT4-fs (loop0): This should not happen!! Data will be lost [ 41.092784][ T368] [ 41.103324][ T368] EXT4-fs (loop0): Total free blocks count 0 [ 41.109471][ T368] EXT4-fs (loop0): Free/Dirty block details [ 41.115488][ T368] EXT4-fs (loop0): free_blocks=2415919104 [ 41.121210][ T368] EXT4-fs (loop0): dirty_blocks=2400 [ 41.126519][ T368] EXT4-fs (loop0): Block reservation details [ 41.132494][ T368] EXT4-fs (loop0): i_reserved_data_blocks=186 [ 41.273385][ T364] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 16392 with max blocks 2 with error 28 [ 41.376397][ T370] loop0: detected capacity change from 0 to 2048 [ 41.395546][ T370] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 41.407532][ T373] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1097: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 41.423314][ T370] ------------[ cut here ]------------ [ 41.428809][ T370] kernel BUG at fs/ext4/inline.c:236! [ 41.434430][ T370] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 41.440571][ T370] CPU: 0 PID: 370 Comm: syz-executor.0 Not tainted syzkaller #0 [ 41.448352][ T370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 41.458386][ T370] RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 [ 41.464673][ T370] Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 a9 e3 cc ff 4c 89 fa e9 19 ff ff ff e8 3c b7 87 ff 0f 0b e8 35 b7 87 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55 [ 41.484349][ T370] RSP: 0018:ffffc900015d7160 EFLAGS: 00010293 [ 41.490491][ T370] RAX: ffffffff81e9928b RBX: 0000000000001000 RCX: ffff888113f81440 [ 41.498455][ T370] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000001000 [ 41.506497][ T370] RBP: ffffc900015d71b0 R08: ffff888114644257 R09: 1ffff110228c884a [ 41.514451][ T370] R10: dffffc0000000000 R11: ffffed10228c884b R12: ffff88812754c050 [ 41.522413][ T370] R13: ffffc900015d7240 R14: 0000000000000004 R15: 000000000000003c [ 41.530631][ T370] FS: 00007f855142f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 41.539539][ T370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.546193][ T370] CR2: 0000000020000080 CR3: 000000011431b000 CR4: 00000000003506b0 [ 41.554150][ T370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.562279][ T370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.570315][ T370] Call Trace: [ 41.573660][ T370] [ 41.576582][ T370] ext4_write_inline_data_end+0x337/0xa90 [ 41.582298][ T370] ? __cfi_ext4_write_inline_data_end+0x10/0x10 [ 41.588668][ T370] ? __cfi_copy_page_from_iter_atomic+0x10/0x10 [ 41.594895][ T370] ext4_da_write_end+0x1ce/0x8c0 [ 41.599826][ T370] generic_perform_write+0x3ac/0x6f0 [ 41.605101][ T370] ? __cfi_generic_perform_write+0x10/0x10 [ 41.610888][ T370] ext4_buffered_write_iter+0x36f/0x660 [ 41.616415][ T370] ext4_file_write_iter+0x191/0x1500 [ 41.621682][ T370] ? __stack_depot_save+0x36/0x480 [ 41.626773][ T370] ? kasan_set_track+0x60/0x70 [ 41.631521][ T370] ? kasan_set_track+0x4b/0x70 [ 41.636362][ T370] ? kasan_save_alloc_info+0x25/0x30 [ 41.641713][ T370] ? __kasan_kmalloc+0x95/0xb0 [ 41.646461][ T370] ? __kmalloc+0xb1/0x1e0 [ 41.650870][ T370] ? iter_file_splice_write+0x19e/0xcd0 [ 41.656664][ T370] ? direct_splice_actor+0xf7/0x130 [ 41.661877][ T370] ? splice_direct_to_actor+0x4ad/0xb30 [ 41.667686][ T370] ? do_splice_direct+0x1c2/0x2d0 [ 41.672897][ T370] ? avc_policy_seqno+0x1b/0x70 [ 41.677757][ T370] ? __cfi_ext4_file_write_iter+0x10/0x10 [ 41.683546][ T370] ? fsnotify_perm+0x67/0x5b0 [ 41.688295][ T370] ? security_file_permission+0x8a/0xb0 [ 41.693914][ T370] do_iter_write+0x665/0xb40 [ 41.698500][ T370] ? vfs_iter_write+0xa0/0xa0 [ 41.703243][ T370] vfs_iter_write+0x7d/0xa0 [ 41.707725][ T370] iter_file_splice_write+0x69e/0xcd0 [ 41.713085][ T370] ? __cfi_iter_file_splice_write+0x10/0x10 [ 41.718967][ T370] ? __cfi_generic_file_splice_read+0x10/0x10 [ 41.725045][ T370] ? __kasan_check_read+0x11/0x20 [ 41.730051][ T370] ? fsnotify_perm+0x269/0x5b0 [ 41.734810][ T370] ? __cfi_iter_file_splice_write+0x10/0x10 [ 41.740795][ T370] direct_splice_actor+0xf7/0x130 [ 41.745825][ T370] splice_direct_to_actor+0x4ad/0xb30 [ 41.751356][ T370] ? __kasan_check_read+0x11/0x20 [ 41.756532][ T370] ? __cfi_direct_splice_actor+0x10/0x10 [ 41.762146][ T370] ? __cfi_splice_direct_to_actor+0x10/0x10 [ 41.768107][ T370] ? security_file_permission+0x94/0xb0 [ 41.773636][ T370] ? rw_verify_area+0xa7/0x1c0 [ 41.778382][ T370] do_splice_direct+0x1c2/0x2d0 [ 41.783214][ T370] ? __cfi_do_splice_direct+0x10/0x10 [ 41.788568][ T370] ? security_file_permission+0x94/0xb0 [ 41.794095][ T370] do_sendfile+0x5ed/0xea0 [ 41.798492][ T370] ? do_preadv+0x390/0x390 [ 41.802893][ T370] ? __se_sys_futex+0x136/0x310 [ 41.807724][ T370] __x64_sys_sendfile64+0x199/0x1f0 [ 41.812903][ T370] ? __cfi___x64_sys_sendfile64+0x10/0x10 [ 41.818600][ T370] ? fpregs_restore_userregs+0x128/0x260 [ 41.824210][ T370] ? switch_fpu_return+0xe/0x10 [ 41.829042][ T370] x64_sys_call+0x62c/0x9a0 [ 41.833526][ T370] do_syscall_64+0x4c/0xa0 [ 41.837923][ T370] ? clear_bhb_loop+0x30/0x80 [ 41.842756][ T370] ? clear_bhb_loop+0x30/0x80 [ 41.847413][ T370] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 41.853403][ T370] RIP: 0033:0x7f855066d0f9 [ 41.857983][ T370] 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 [ 41.877659][ T370] RSP: 002b:00007f855142f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 41.886144][ T370] RAX: ffffffffffffffda RBX: 00007f85507abf80 RCX: 00007f855066d0f9 [ 41.894097][ T370] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 41.902050][ T370] RBP: 00007f85506ce498 R08: 0000000000000000 R09: 0000000000000000 [ 41.910259][ T370] R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 [ 41.918208][ T370] R13: 000000000000000b R14: 00007f85507abf80 R15: 00007ffc8a5e32e8 [ 41.926161][ T370] [ 41.929174][ T370] Modules linked in: [ 41.933210][ T370] ---[ end trace 0000000000000000 ]--- [ 41.938675][ T370] RIP: 0010:ext4_write_inline_data+0x3ab/0x3b0 [ 41.944904][ T370] Code: 07 fe c1 38 c1 0f 8c 2c ff ff ff 48 89 df 49 89 d7 e8 a9 e3 cc ff 4c 89 fa e9 19 ff ff ff e8 3c b7 87 ff 0f 0b e8 35 b7 87 ff <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 b8 a4 70 30 e0 55 [ 41.964616][ T370] RSP: 0018:ffffc900015d7160 EFLAGS: 00010293 [ 41.970754][ T370] RAX: ffffffff81e9928b RBX: 0000000000001000 RCX: ffff888113f81440 [ 41.978830][ T370] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000001000 [ 41.986815][ T370] RBP: ffffc900015d71b0 R08: ffff888114644257 R09: 1ffff110228c884a [ 41.994814][ T370] R10: dffffc0000000000 R11: ffffed10228c884b R12: ffff88812754c050 [ 42.002782][ T370] R13: ffffc900015d7240 R14: 0000000000000004 R15: 000000000000003c [ 42.010853][ T370] FS: 00007f855142f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 42.019974][ T370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.026603][ T370] CR2: 0000000020000080 CR3: 000000011431b000 CR4: 00000000003506b0 [ 42.034674][ T370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.042640][ T370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.050627][ T370] Kernel panic - not syncing: Fatal exception [ 42.051726][ T28] audit: type=1400 audit(1768699713.089:101): avc: denied { read } for pid=85 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 42.079219][ T370] Kernel Offset: disabled [ 42.083628][ T370] Rebooting in 86400 seconds..