Warning: Permanently added '10.128.1.191' (ED25519) to the list of known hosts.
2026/10/11 17:54:16 parsed 1 programs
Setting up swapspace version 1, size = 127995904 bytes
[ 38.480232][ T30] kauditd_printk_skb: 31 callbacks suppressed
[ 38.480246][ T30] audit: type=1400 audit(1791741257.073:105): avc: denied { unlink } for pid=410 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"
[ 38.534490][ T410] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 38.982983][ T420] bridge0: port 1(bridge_slave_0) entered blocking state
[ 38.992400][ T420] bridge0: port 1(bridge_slave_0) entered disabled state
[ 38.999883][ T420] device bridge_slave_0 entered promiscuous mode
[ 39.006802][ T420] bridge0: port 2(bridge_slave_1) entered blocking state
[ 39.014711][ T420] bridge0: port 2(bridge_slave_1) entered disabled state
[ 39.022698][ T420] device bridge_slave_1 entered promiscuous mode
[ 39.061155][ T420] bridge0: port 2(bridge_slave_1) entered blocking state
[ 39.068490][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 39.078419][ T420] bridge0: port 1(bridge_slave_0) entered blocking state
[ 39.086513][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 39.103576][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 39.111444][ T45] bridge0: port 1(bridge_slave_0) entered disabled state
[ 39.119595][ T45] bridge0: port 2(bridge_slave_1) entered disabled state
[ 39.128286][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 39.137048][ T45] bridge0: port 1(bridge_slave_0) entered blocking state
[ 39.144120][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 39.153769][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 39.162287][ T45] bridge0: port 2(bridge_slave_1) entered blocking state
[ 39.169300][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 39.180861][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 39.192428][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 39.204897][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 39.216861][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 39.225281][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 39.233823][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 39.243465][ T420] device veth0_vlan entered promiscuous mode
[ 39.252944][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 39.262430][ T420] device veth1_macvtap entered promiscuous mode
[ 39.271874][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 39.282471][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 39.658837][ T30] audit: type=1401 audit(1791741258.243:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768"
2026/10/11 17:54:18 executed programs: 0
[ 39.936991][ T473] bridge0: port 1(bridge_slave_0) entered blocking state
[ 39.945040][ T473] bridge0: port 1(bridge_slave_0) entered disabled state
[ 39.954647][ T473] device bridge_slave_0 entered promiscuous mode
[ 39.963915][ T473] bridge0: port 2(bridge_slave_1) entered blocking state
[ 39.971556][ T473] bridge0: port 2(bridge_slave_1) entered disabled state
[ 39.979236][ T473] device bridge_slave_1 entered promiscuous mode
[ 40.020380][ T8] device bridge_slave_1 left promiscuous mode
[ 40.027854][ T8] bridge0: port 2(bridge_slave_1) entered disabled state
[ 40.035944][ T8] device bridge_slave_0 left promiscuous mode
[ 40.044039][ T8] bridge0: port 1(bridge_slave_0) entered disabled state
[ 40.053875][ T8] device veth1_macvtap left promiscuous mode
[ 40.061966][ T8] device veth0_vlan left promiscuous mode
[ 40.171581][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 40.179272][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 40.188300][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 40.196657][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 40.204997][ T320] bridge0: port 1(bridge_slave_0) entered blocking state
[ 40.212254][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 40.220597][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 40.229309][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 40.237673][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 40.245873][ T320] bridge0: port 2(bridge_slave_1) entered blocking state
[ 40.253317][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 40.265532][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 40.275595][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 40.288783][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 40.300287][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 40.308823][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 40.316782][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 40.326333][ T473] device veth0_vlan entered promiscuous mode
[ 40.336502][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 40.351048][ T473] device veth1_macvtap entered promiscuous mode
[ 40.361182][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 40.370994][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 40.390772][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 40.399795][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 40.480479][ T479] loop2: detected capacity change from 0 to 512
[ 40.488901][ T479] =======================================================
[ 40.488901][ T479] WARNING: The mand mount option has been deprecated and
[ 40.488901][ T479] and is ignored by this kernel. Remove the mand
[ 40.488901][ T479] option from the mount to silence this warning.
[ 40.488901][ T479] =======================================================
[ 40.540807][ T479] [EXT4 FS bs=4096, gc=1, bpg=71, ipg=32, mo=e80ec028, mo2=0000]
[ 40.549253][ T479] System zones: 0-2, 18-18, 34-34
[ 40.556297][ T479] EXT4-fs (loop2): 1 orphan inode deleted
[ 40.562383][ T479] EXT4-fs (loop2): mounted filesystem without journal. Opts: errors=remount-ro,dioread_lock,noquota,init_itable,debug,resgid=0x0000000000000000,sysvgroups,discard,usrquota,. Quota mode: writeback.
[ 40.582727][ T30] audit: type=1400 audit(1791741259.173:107): avc: denied { mount } for pid=477 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 40.582749][ T479] ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff)
[ 40.621964][ T30] audit: type=1400 audit(1791741259.213:108): avc: denied { write } for pid=477 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 40.646052][ T30] audit: type=1400 audit(1791741259.213:109): avc: denied { add_name } for pid=477 comm="syz.2.17" name="hugetlb.2MB.usage_in_bytes" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 40.671657][ T30] audit: type=1400 audit(1791741259.213:110): avc: denied { create } for pid=477 comm="syz.2.17" name="hugetlb.2MB.usage_in_bytes" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 40.693879][ T479] ==================================================================
[ 40.695053][ T30] audit: type=1400 audit(1791741259.213:111): avc: denied { read append open } for pid=477 comm="syz.2.17" path="/0/file1/hugetlb.2MB.usage_in_bytes" dev="loop2" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 40.703147][ T479] BUG: KASAN: use-after-free in ext4_find_extent+0xbfb/0xe30
[ 40.703181][ T479] Read of size 4 at addr ffff88812ed80000 by task syz.2.17/479
[ 40.728292][ T30] audit: type=1400 audit(1791741259.213:112): avc: denied { write } for pid=477 comm="syz.2.17" path="/0/file1/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 40.735598][ T479]
[ 40.735613][ T479] CPU: 0 PID: 479 Comm: syz.2.17 Not tainted syzkaller #0
[ 40.743331][ T30] audit: type=1400 audit(1791741259.213:113): avc: denied { mounton } for pid=477 comm="syz.2.17" path="/0/file1/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 40.765537][ T479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 40.765561][ T479] Call Trace:
[ 40.765566][ T479]
[ 40.765573][ T479] __dump_stack+0x21/0x30
[ 40.765593][ T479] dump_stack_lvl+0x110/0x170
[ 40.765607][ T479] ? show_regs_print_info+0x20/0x20
[ 40.765620][ T479] ? load_image+0x3f0/0x3f0
[ 40.768230][ T30] audit: type=1400 audit(1791741259.233:114): avc: denied { map } for pid=477 comm="syz.2.17" path="/0/file1/hugetlb.2MB.usage_in_bytes" dev="loop2" ino=16 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 40.775336][ T479] print_address_description+0x7f/0x2c0
[ 40.775362][ T479] ? ext4_find_extent+0xbfb/0xe30
[ 40.775377][ T479] kasan_report+0x10f/0x150
[ 40.877132][ T479] ? __read_extent_tree_block+0x1e4/0x780
[ 40.883876][ T479] ? ext4_find_extent+0xbfb/0xe30
[ 40.890004][ T479] __asan_report_load4_noabort+0x14/0x20
[ 40.896573][ T479] ext4_find_extent+0xbfb/0xe30
[ 40.901541][ T479] ext4_ext_remove_space+0x2bd/0x3e60
[ 40.907129][ T479] ? ext4_es_free_extent+0x3e0/0x4c0
[ 40.912592][ T479] ? __es_remove_extent+0xa95/0x17e0
[ 40.918486][ T479] ? __kasan_check_write+0x14/0x20
[ 40.923716][ T479] ? __es_remove_extent+0xb1/0x17e0
[ 40.929174][ T479] ? _raw_spin_unlock+0x4d/0x70
[ 40.934101][ T479] ? _raw_write_trylock+0x150/0x150
[ 40.939731][ T479] ? ext4_ext_index_trans_blocks+0x100/0x100
[ 40.946166][ T479] ? ext4_es_remove_extent+0x229/0x370
[ 40.951805][ T479] ext4_punch_hole+0x7a9/0xbf0
[ 40.956866][ T479] ext4_fallocate+0x2ae/0x1de0
[ 40.961647][ T479] ? selinux_file_permission+0x2aa/0x510
[ 40.967362][ T479] ? fsnotify_perm+0x67/0x5b0
[ 40.972040][ T479] vfs_fallocate+0x4b9/0x590
[ 40.976885][ T479] do_madvise+0x1427/0x2460
[ 40.981414][ T479] ? madvise_set_anon_name+0x470/0x470
[ 40.986875][ T479] ? __get_user_pages+0xf85/0x10c0
[ 40.991989][ T479] ? __kasan_check_read+0x11/0x20
[ 40.997014][ T479] ? populate_vma_page_range+0xf0/0xf0
[ 41.002559][ T479] ? up_read+0x56/0x1d0
[ 41.006810][ T479] ? __mm_populate+0x3fd/0x470
[ 41.011827][ T479] ? check_vma_flags+0x2d0/0x2d0
[ 41.016864][ T479] ? __se_sys_futex+0x135/0x330
[ 41.022022][ T479] ? __kasan_check_write+0x14/0x20
[ 41.027823][ T479] ? fput_many+0x15a/0x1a0
[ 41.032495][ T479] ? __kasan_check_write+0x14/0x20
[ 41.037897][ T479] ? switch_fpu_return+0x15d/0x2c0
[ 41.043263][ T479] __x64_sys_madvise+0xa9/0xc0
[ 41.048039][ T479] x64_sys_call+0x89b/0x9a0
[ 41.052617][ T479] do_syscall_64+0x4c/0xa0
[ 41.057012][ T479] ? clear_bhb_loop+0x50/0xa0
[ 41.061677][ T479] ? clear_bhb_loop+0x50/0xa0
[ 41.066518][ T479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 41.072576][ T479] RIP: 0033:0x7ff6d19ccef9
[ 41.077368][ T479] 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 e8 ff ff ff f7 d8 64 89 01 48
[ 41.097601][ T479] RSP: 002b:00007ff6d1810028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
[ 41.106569][ T479] RAX: ffffffffffffffda RBX: 00007ff6d1c38090 RCX: 00007ff6d19ccef9
[ 41.114643][ T479] RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
[ 41.122967][ T479] RBP: 00007ff6d1a61ee0 R08: 0000000000000000 R09: 0000000000000000
[ 41.131227][ T479] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 41.139278][ T479] R13: 00007ff6d1c38128 R14: 00007ff6d1c38090 R15: 00007fffd22415a8
[ 41.147416][ T479]
[ 41.150446][ T479]
[ 41.152798][ T479] The buggy address belongs to the page:
[ 41.158771][ T479] page:ffffea0004bb6000 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x12ed80
[ 41.169091][ T479] flags: 0x4000000000000000(zone=1)
[ 41.174479][ T479] raw: 4000000000000000 ffffea0004bb6048 ffffea0004bb5fc8 0000000000000000
[ 41.183068][ T479] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[ 41.192077][ T479] page dumped because: kasan: bad access detected
[ 41.199012][ T479] page_owner tracks the page as freed
[ 41.204584][ T479] page last allocated via order 0, migratetype Movable, gfp_mask 0x101cca(GFP_HIGHUSER_MOVABLE|__GFP_WRITE), pid 479, ts 40625593736, free_ts 40693801381
[ 41.220478][ T479] post_alloc_hook+0x192/0x1b0
[ 41.225247][ T479] prep_new_page+0x1c/0x110
[ 41.229756][ T479] get_page_from_freelist+0x2c3a/0x2cd0
[ 41.235386][ T479] __alloc_pages+0x1a2/0x460
[ 41.239979][ T479] pagecache_get_page+0xacc/0xdd0
[ 41.244989][ T479] grab_cache_page_write_begin+0x59/0xb0
[ 41.250696][ T479] ext4_write_begin+0x2cc/0x1360
[ 41.255630][ T479] ext4_da_write_begin+0x361/0xbd0
[ 41.260800][ T479] generic_perform_write+0x2b7/0x690
[ 41.266362][ T479] ext4_buffered_write_iter+0x4b3/0x640
[ 41.272277][ T479] ext4_file_write_iter+0x427/0x1530
[ 41.277565][ T479] vfs_write+0x831/0xfd0
[ 41.281895][ T479] ksys_write+0x14a/0x260
[ 41.286240][ T479] __x64_sys_write+0x7b/0x90
[ 41.290912][ T479] x64_sys_call+0x8ef/0x9a0
[ 41.295675][ T479] do_syscall_64+0x4c/0xa0
[ 41.300179][ T479] page last free stack trace:
[ 41.305008][ T479] free_unref_page_prepare+0x5fa/0x600
[ 41.310806][ T479] free_unref_page_list+0x138/0x9e0
[ 41.316167][ T479] release_pages+0x1264/0x12c0
[ 41.321009][ T479] __pagevec_release+0x71/0xe0
[ 41.325841][ T479] truncate_inode_pages_range+0x358/0xe50
[ 41.331555][ T479] truncate_pagecache_range+0xa1/0xb0
[ 41.336912][ T479] ext4_punch_hole+0x48a/0xbf0
[ 41.341776][ T479] ext4_fallocate+0x2ae/0x1de0
[ 41.346698][ T479] vfs_fallocate+0x4b9/0x590
[ 41.351285][ T479] do_madvise+0x1427/0x2460
[ 41.355771][ T479] __x64_sys_madvise+0xa9/0xc0
[ 41.361035][ T479] x64_sys_call+0x89b/0x9a0
[ 41.365945][ T479] do_syscall_64+0x4c/0xa0
[ 41.371048][ T479] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 41.378018][ T479]
[ 41.380854][ T479] Memory state around the buggy address:
[ 41.386819][ T479] ffff88812ed7ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 41.395825][ T479] ffff88812ed7ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 41.404826][ T479] >ffff88812ed80000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 41.412878][ T479] ^
[ 41.417217][ T479] ffff88812ed80080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 41.425361][ T479] ffff88812ed80100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 41.435435][ T479] ==================================================================
[ 41.444402][ T479] Disabling lock debugging due to kernel taint
[ 41.454429][ T479] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5904: Out of memory
[ 41.466805][ T479] EXT4-fs (loop2): Remounting filesystem read-only
[ 41.474693][ T479] EXT4-fs error (device loop2): ext4_punch_hole:4152: inode #16: comm syz.2.17: mark_inode_dirty error
[ 41.489108][ T479] EXT4-fs (loop2): Remounting filesystem read-only
[ 41.505296][ T473] EXT4-fs error (device loop2): ext4_map_blocks:632: inode #2: block 3: comm syz-executor: lblock 0 mapped to illegal pblock 3 (length 1)
[ 41.522283][ T473] EXT4-fs (loop2): Remounting filesystem read-only
[ 41.532671][ T473] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5904: Out of memory
[ 41.546845][ T473] EXT4-fs (loop2): Remounting filesystem read-only
[ 41.555478][ T473] EXT4-fs error (device loop2): ext4_dirty_inode:6118: inode #2: comm syz-executor: mark_inode_dirty error
[ 41.570909][ T473] EXT4-fs (loop2): Remounting filesystem read-only
[ 41.711414][ T484] bridge0: port 1(bridge_slave_0) entered blocking state
[ 41.720400][ T484] bridge0: port 1(bridge_slave_0) entered disabled state
[ 41.728072][ T484] device bridge_slave_0 entered promiscuous mode
[ 41.735536][ T484] bridge0: port 2(bridge_slave_1) entered blocking state
[ 41.742880][ T484] bridge0: port 2(bridge_slave_1) entered disabled state
[ 41.750817][ T484] device bridge_slave_1 entered promiscuous mode
[ 41.796570][ T484] bridge0: port 2(bridge_slave_1) entered blocking state
[ 41.804287][ T484] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 41.813240][ T484] bridge0: port 1(bridge_slave_0) entered blocking state
[ 41.822646][ T484] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 41.845676][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 41.853464][ T320] bridge0: port 1(bridge_slave_0) entered disabled state
[ 41.861407][ T320] bridge0: port 2(bridge_slave_1) entered disabled state
[ 41.876363][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 41.886256][ T320] bridge0: port 1(bridge_slave_0) entered blocking state
[ 41.893322][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 41.901983][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 41.910633][ T320] bridge0: port 2(bridge_slave_1) entered blocking state
[ 41.917924][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 41.935443][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 41.944766][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 41.958490][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 41.970211][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 41.978202][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 41.986440][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 41.994687][ T484] device veth0_vlan entered promiscuous mode
[ 42.007911][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 42.017072][ T484] device veth1_macvtap entered promiscuous mode
[ 42.026263][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 42.036426][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 42.114684][ T490] loop3: detected capacity change from 0 to 512
[ 42.239881][ T490] [EXT4 FS bs=4096, gc=1, bpg=71, ipg=32, mo=e80ec028, mo2=0000]
[ 42.247686][ T490] System zones: 0-2, 18-18, 34-34
[ 42.254466][ T490] EXT4-fs (loop3): 1 orphan inode deleted
[ 42.260357][ T490] EXT4-fs (loop3): mounted filesystem without journal. Opts: errors=remount-ro,dioread_lock,noquota,init_itable,debug,resgid=0x0000000000000000,sysvgroups,discard,usrquota,. Quota mode: writeback.
[ 42.280408][ T490] ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff)
[ 42.307470][ T489] ------------[ cut here ]------------
[ 42.313173][ T489] kernel BUG at fs/ext4/extents.c:3204!
[ 42.318860][ T489] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 42.324916][ T489] CPU: 0 PID: 489 Comm: syz.3.20 Tainted: G B syzkaller #0
[ 42.333961][ T489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[ 42.344108][ T489] RIP: 0010:ext4_split_extent_at+0xe3f/0xe60
[ 42.350263][ T489] Code: fc ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 19 fc ff ff 48 89 df 49 89 d4 e8 5e d4 d2 ff 4c 89 e2 e9 06 fc ff ff e8 f1 53 93 ff <0f> 0b e8 ea 53 93 ff 0f 0b e8 e3 53 93 ff 0f 0b e8 dc 53 93 ff 0f
[ 42.370207][ T489] RSP: 0018:ffffc90002ba74a0 EFLAGS: 00010293
[ 42.376388][ T489] RAX: ffffffff81d6876f RBX: 1ffff11025e05e36 RCX: ffff88811a505000
[ 42.384424][ T489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000002a
[ 42.392698][ T489] RBP: ffffc90002ba7610 R08: 0000000000000000 R09: 0000000050000028
[ 42.401007][ T489] R10: dffffc0000000000 R11: ffffed10231504aa R12: ffff888118a82500
[ 42.409048][ T489] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
[ 42.417271][ T489] FS: 00007f473bed86c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 42.426424][ T489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.433208][ T489] CR2: 00007fef70d6b000 CR3: 000000010f706000 CR4: 00000000003506b0
[ 42.441439][ T489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 42.449427][ T489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 42.457543][ T489] Call Trace:
[ 42.460947][ T489]
[ 42.464054][ T489] ? __asan_report_load2_noabort+0x14/0x20
[ 42.470023][ T489] ? ext4_ext_try_to_merge_right+0x830/0x830
[ 42.476112][ T489] ext4_ext_remove_space+0x618/0x3e60
[ 42.481917][ T489] ? ext4_es_free_extent+0x3e0/0x4c0
[ 42.487316][ T489] ? __es_remove_extent+0xa95/0x17e0
[ 42.492596][ T489] ? __kasan_check_write+0x14/0x20
[ 42.497982][ T489] ? __es_remove_extent+0xb1/0x17e0
[ 42.503274][ T489] ? _raw_spin_unlock+0x4d/0x70
[ 42.508134][ T489] ? _raw_write_trylock+0x150/0x150
[ 42.513322][ T489] ? ext4_ext_index_trans_blocks+0x100/0x100
[ 42.519674][ T489] ? ext4_es_remove_extent+0x229/0x370
[ 42.525575][ T489] ext4_punch_hole+0x7a9/0xbf0
[ 42.530523][ T489] ext4_fallocate+0x2ae/0x1de0
[ 42.535285][ T489] ? selinux_file_permission+0x2aa/0x510
[ 42.541269][ T489] ? fsnotify_perm+0x67/0x5b0
[ 42.545946][ T489] vfs_fallocate+0x4b9/0x590
[ 42.550621][ T489] do_madvise+0x1427/0x2460
[ 42.555338][ T489] ? madvise_set_anon_name+0x470/0x470
[ 42.561147][ T489] ? __get_user_pages+0xf85/0x10c0
[ 42.566243][ T489] ? up_write+0x7b/0x290
[ 42.570742][ T489] ? populate_vma_page_range+0xf0/0xf0
[ 42.576208][ T489] ? up_read+0x56/0x1d0
[ 42.580456][ T489] ? __mm_populate+0x3fd/0x470
[ 42.585330][ T489] ? check_vma_flags+0x2d0/0x2d0
[ 42.590286][ T489] ? __se_sys_futex+0x135/0x330
[ 42.595333][ T489] ? __kasan_check_write+0x14/0x20
[ 42.600470][ T489] ? fput_many+0x15a/0x1a0
[ 42.604968][ T489] ? __kasan_check_write+0x14/0x20
[ 42.610272][ T489] ? switch_fpu_return+0x15d/0x2c0
[ 42.615373][ T489] __x64_sys_madvise+0xa9/0xc0
[ 42.620122][ T489] x64_sys_call+0x89b/0x9a0
[ 42.624647][ T489] do_syscall_64+0x4c/0xa0
[ 42.629499][ T489] ? clear_bhb_loop+0x50/0xa0
[ 42.634355][ T489] ? clear_bhb_loop+0x50/0xa0
[ 42.639299][ T489] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 42.645289][ T489] RIP: 0033:0x7f473c073ef9
[ 42.649693][ T489] 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 e8 ff ff ff f7 d8 64 89 01 48
[ 42.669703][ T489] RSP: 002b:00007f473bed8028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
[ 42.678724][ T489] RAX: ffffffffffffffda RBX: 00007f473c2defa0 RCX: 00007f473c073ef9
[ 42.686691][ T489] RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
[ 42.694744][ T489] RBP: 00007f473c108ee0 R08: 0000000000000000 R09: 0000000000000000
[ 42.703304][ T489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 42.711963][ T489] R13: 00007f473c2df038 R14: 00007f473c2defa0 R15: 00007ffc2f18e828
[ 42.719926][ T489]
[ 42.722927][ T489] Modules linked in:
[ 42.727494][ T489] ---[ end trace 53878418b56e1ebe ]---
[ 42.733235][ T489] RIP: 0010:ext4_split_extent_at+0xe3f/0xe60
[ 42.739672][ T489] Code: fc ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 19 fc ff ff 48 89 df 49 89 d4 e8 5e d4 d2 ff 4c 89 e2 e9 06 fc ff ff e8 f1 53 93 ff <0f> 0b e8 ea 53 93 ff 0f 0b e8 e3 53 93 ff 0f 0b e8 dc 53 93 ff 0f
[ 42.760022][ T489] RSP: 0018:ffffc90002ba74a0 EFLAGS: 00010293
[ 42.766121][ T489] RAX: ffffffff81d6876f RBX: 1ffff11025e05e36 RCX: ffff88811a505000
[ 42.774392][ T489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000002a
[ 42.782427][ T489] RBP: ffffc90002ba7610 R08: 0000000000000000 R09: 0000000050000028
[ 42.790565][ T489] R10: dffffc0000000000 R11: ffffed10231504aa R12: ffff888118a82500
[ 42.799065][ T489] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
[ 42.807758][ T489] FS: 00007f473bed86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 42.817123][ T489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.823758][ T489] CR2: 0000001b32f63fff CR3: 000000010f706000 CR4: 00000000003506a0
[ 42.831985][ T489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 42.840899][ T489] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 42.849198][ T489] Kernel panic - not syncing: Fatal exception
[ 42.855616][ T489] Kernel Offset: disabled
[ 42.859952][ T489] Rebooting in 86400 seconds..