forked to background, child pid 3185
no interfaces have a carrier
[ 26.323885][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.334078][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.260565][ T37] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts.
executing program
[ 301.483453][ T3631] loop0: detected capacity change from 0 to 32768
[ 301.498315][ T3631] find_entry called with index = 0
[ 301.503634][ T3631] find_entry called with index = 0
[ 301.509493][ T3631] find_entry called with index = 0
[ 301.514621][ T3631] find_entry called with index = 0
[ 301.520077][ T3631] find_entry called with index = 0
[ 301.526594][ T27] audit: type=1800 audit(1665120847.789:2): pid=3631 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor325" name="bus" dev="loop0" ino=7 res=0 errno=0
[ 301.528334][ T3631] ==================================================================
[ 301.555064][ T3631] BUG: KASAN: slab-out-of-bounds in dbAllocBits+0x516/0x5f0
[ 301.562398][ T3631] Read of size 8 at addr ffff888017d11038 by task syz-executor325/3631
[ 301.570613][ T3631]
[ 301.572930][ T3631] CPU: 0 PID: 3631 Comm: syz-executor325 Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0
[ 301.582969][ T3631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 301.593002][ T3631] Call Trace:
[ 301.596360][ T3631]
[ 301.599275][ T3631] dump_stack_lvl+0xcd/0x134
[ 301.603879][ T3631] print_report.cold+0x2ba/0x719
[ 301.608824][ T3631] ? dbAllocBits+0x516/0x5f0
[ 301.613398][ T3631] kasan_report+0xb1/0x1e0
[ 301.617805][ T3631] ? dbAllocBits+0x516/0x5f0
[ 301.622386][ T3631] dbAllocBits+0x516/0x5f0
[ 301.626886][ T3631] dbAllocDmap+0x61/0x110
[ 301.631210][ T3631] dbAllocDmapLev+0x158/0x2c0
[ 301.635886][ T3631] ? dbAllocNext+0x410/0x410
[ 301.640486][ T3631] ? __get_metapage+0x525/0xef0
[ 301.645324][ T3631] dbAllocCtl+0x131/0x780
[ 301.649651][ T3631] dbAllocAny+0x10e/0x1a0
[ 301.653981][ T3631] ? dbAllocAG+0xd20/0xd20
[ 301.658408][ T3631] ? _down_write_nest_lock+0x150/0x150
[ 301.663884][ T3631] dbAlloc+0x46d/0xa70
[ 301.667966][ T3631] extAlloc+0x4e7/0xeb0
[ 301.672129][ T3631] ? jfs_ioc_trim+0x5c0/0x5c0
[ 301.676794][ T3631] ? _down_write_nest_lock+0x150/0x150
[ 301.682248][ T3631] ? lockdep_hardirqs_on+0x79/0x100
[ 301.687457][ T3631] jfs_get_block+0x661/0xa90
[ 301.692044][ T3631] ? jfs_writepage+0x30/0x30
[ 301.696625][ T3631] ? iov_iter_get_pages2+0xac/0xf0
[ 301.702024][ T3631] ? __iov_iter_get_pages_alloc+0x2420/0x2420
[ 301.708087][ T3631] ? iov_iter_npages+0xfe/0x6f0
[ 301.712934][ T3631] __blockdev_direct_IO+0x16ca/0x38c0
[ 301.718308][ T3631] ? sb_init_dio_done_wq+0x80/0x80
[ 301.723413][ T3631] ? jfs_writepage+0x30/0x30
[ 301.727998][ T3631] ? generic_error_remove_page+0x390/0x390
[ 301.733793][ T3631] ? mark_held_locks+0x9f/0xe0
[ 301.738547][ T3631] ? jfs_evict_inode+0x4a0/0x4a0
[ 301.743474][ T3631] ? rcu_read_lock_sched_held+0x3a/0x70
[ 301.749016][ T3631] ? __mark_inode_dirty+0x541/0x1040
[ 301.754287][ T3631] ? file_remove_privs+0x20/0x20
[ 301.759223][ T3631] jfs_direct_IO+0x10a/0x2c0
[ 301.763804][ T3631] generic_file_direct_write+0x1e8/0x540
[ 301.769424][ T3631] __generic_file_write_iter+0x1a2/0x4d0
[ 301.775053][ T3631] generic_file_write_iter+0xdf/0x350
[ 301.780409][ T3631] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 301.786378][ T3631] do_iter_readv_writev+0x20b/0x3b0
[ 301.791568][ T3631] ? generic_copy_file_range+0xd0/0xd0
[ 301.797019][ T3631] ? bpf_lsm_file_permission+0x5/0x10
[ 301.802391][ T3631] ? security_file_permission+0xab/0xd0
[ 301.807942][ T3631] do_iter_write+0x182/0x700
[ 301.812540][ T3631] vfs_writev+0x1aa/0x630
[ 301.816856][ T3631] ? vfs_iter_write+0xa0/0xa0
[ 301.821520][ T3631] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 301.827487][ T3631] ? putname+0xfe/0x140
[ 301.831660][ T3631] ? find_held_lock+0x2d/0x110
[ 301.836427][ T3631] ? __ct_user_exit+0xff/0x150
[ 301.841184][ T3631] ? lock_downgrade+0x6e0/0x6e0
[ 301.846022][ T3631] do_pwritev+0x1b6/0x270
[ 301.850340][ T3631] ? do_writev+0x2f0/0x2f0
[ 301.854747][ T3631] __x64_sys_pwritev2+0xeb/0x150
[ 301.859689][ T3631] do_syscall_64+0x35/0xb0
[ 301.864098][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 301.870000][ T3631] RIP: 0033:0x7ff7fa06add9
[ 301.874397][ T3631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 c0 ff ff ff f7 d8 64 89 01 48
[ 301.893993][ T3631] RSP: 002b:00007ffd3a9eace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 301.902390][ T3631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7fa06add9
[ 301.910344][ T3631] RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000003
[ 301.918302][ T3631] RBP: 00007ff7fa02a640 R08: 0000000000000000 R09: 0000000000000003
[ 301.926258][ T3631] R10: 0000000000001400 R11: 0000000000000246 R12: 0000000200000004
[ 301.934230][ T3631] R13: 0000000000000000 R14: 00080000000000fc R15: 0000000000000000
[ 301.942190][ T3631]
[ 301.945193][ T3631]
[ 301.947499][ T3631] Allocated by task 3493:
[ 301.951807][ T3631] kasan_save_stack+0x1e/0x40
[ 301.956476][ T3631] __kasan_slab_alloc+0x90/0xc0
[ 301.961315][ T3631] kmem_cache_alloc+0x267/0x3b0
[ 301.966151][ T3631] getname_flags.part.0+0x50/0x4f0
[ 301.971254][ T3631] getname_flags+0x9a/0xe0
[ 301.975662][ T3631] user_path_at_empty+0x2b/0x60
[ 301.980524][ T3631] do_faccessat+0x127/0x850
[ 301.985022][ T3631] do_syscall_64+0x35/0xb0
[ 301.989423][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 301.995311][ T3631]
[ 301.997612][ T3631] Freed by task 3493:
[ 302.001570][ T3631] kasan_save_stack+0x1e/0x40
[ 302.006237][ T3631] kasan_set_track+0x21/0x30
[ 302.010816][ T3631] kasan_set_free_info+0x20/0x30
[ 302.015742][ T3631] ____kasan_slab_free+0x166/0x1c0
[ 302.020840][ T3631] slab_free_freelist_hook+0x8b/0x1c0
[ 302.026195][ T3631] kmem_cache_free+0xeb/0x5b0
[ 302.031032][ T3631] putname+0xfe/0x140
[ 302.035004][ T3631] user_path_at_empty+0x4d/0x60
[ 302.039843][ T3631] do_faccessat+0x127/0x850
[ 302.044337][ T3631] do_syscall_64+0x35/0xb0
[ 302.048741][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 302.054634][ T3631]
[ 302.056961][ T3631] The buggy address belongs to the object at ffff888017d10000
[ 302.056961][ T3631] which belongs to the cache names_cache of size 4096
[ 302.071123][ T3631] The buggy address is located 56 bytes to the right of
[ 302.071123][ T3631] 4096-byte region [ffff888017d10000, ffff888017d11000)
[ 302.084906][ T3631]
[ 302.087212][ T3631] The buggy address belongs to the physical page:
[ 302.093606][ T3631] page:ffffea00005f4400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17d10
[ 302.103745][ T3631] head:ffffea00005f4400 order:3 compound_mapcount:0 compound_pincount:0
[ 302.112067][ T3631] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[ 302.120053][ T3631] raw: 00fff00000010200 ffffea0000708600 dead000000000002 ffff8880119d4500
[ 302.128625][ T3631] raw: 0000000000000000 0000000000070007 00000001ffffffff 0000000000000000
[ 302.137275][ T3631] page dumped because: kasan: bad access detected
[ 302.143671][ T3631] page_owner tracks the page as allocated
[ 302.149365][ T3631] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2987, tgid 2987 (udevadm), ts 18197198845, free_ts 18185453465
[ 302.170276][ T3631] get_page_from_freelist+0x109b/0x2ce0
[ 302.175823][ T3631] __alloc_pages+0x1c7/0x510
[ 302.180404][ T3631] alloc_pages+0x1a6/0x270
[ 302.184811][ T3631] allocate_slab+0x27e/0x3d0
[ 302.189391][ T3631] ___slab_alloc+0x84f/0xe80
[ 302.193967][ T3631] __slab_alloc.constprop.0+0x4d/0xa0
[ 302.199327][ T3631] kmem_cache_alloc+0x38c/0x3b0
[ 302.204186][ T3631] getname_flags.part.0+0x50/0x4f0
[ 302.209295][ T3631] getname+0x8e/0xd0
[ 302.213183][ T3631] do_sys_openat2+0xf5/0x4c0
[ 302.217760][ T3631] __x64_sys_openat+0x13f/0x1f0
[ 302.222599][ T3631] do_syscall_64+0x35/0xb0
[ 302.227001][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 302.232978][ T3631] page last free stack trace:
[ 302.237641][ T3631] free_pcp_prepare+0x5e4/0xd20
[ 302.242489][ T3631] free_unref_page+0x19/0x4d0
[ 302.247163][ T3631] __unfreeze_partials+0x17c/0x1a0
[ 302.252362][ T3631] qlist_free_all+0x6a/0x170
[ 302.256951][ T3631] kasan_quarantine_reduce+0x180/0x200
[ 302.262409][ T3631] __kasan_slab_alloc+0xa2/0xc0
[ 302.267252][ T3631] kmem_cache_alloc+0x267/0x3b0
[ 302.272088][ T3631] getname_flags.part.0+0x50/0x4f0
[ 302.277188][ T3631] getname_flags+0x9a/0xe0
[ 302.281594][ T3631] vfs_fstatat+0x73/0xb0
[ 302.285828][ T3631] __do_sys_newfstatat+0x94/0x120
[ 302.290834][ T3631] do_syscall_64+0x35/0xb0
[ 302.295233][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 302.301123][ T3631]
[ 302.303428][ T3631] Memory state around the buggy address:
[ 302.309039][ T3631] ffff888017d10f00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 302.317079][ T3631] ffff888017d10f80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 302.325119][ T3631] >ffff888017d11000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 302.333160][ T3631] ^
[ 302.339044][ T3631] ffff888017d11080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 302.347087][ T3631] ffff888017d11100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 302.355124][ T3631] ==================================================================
[ 302.363747][ T3631] Kernel panic - not syncing: panic_on_warn set ...
[ 302.370335][ T3631] CPU: 1 PID: 3631 Comm: syz-executor325 Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0
[ 302.380379][ T3631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 302.390414][ T3631] Call Trace:
[ 302.393676][ T3631]
[ 302.396588][ T3631] dump_stack_lvl+0xcd/0x134
[ 302.401173][ T3631] panic+0x2c8/0x627
[ 302.405057][ T3631] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 302.411023][ T3631] ? preempt_schedule_common+0x59/0xc0
[ 302.416470][ T3631] ? preempt_schedule_thunk+0x16/0x18
[ 302.421838][ T3631] ? dbAllocBits+0x516/0x5f0
[ 302.426426][ T3631] end_report.part.0+0x3f/0x7c
[ 302.431177][ T3631] kasan_report.cold+0xa/0xf
[ 302.435770][ T3631] ? dbAllocBits+0x516/0x5f0
[ 302.440350][ T3631] dbAllocBits+0x516/0x5f0
[ 302.444774][ T3631] dbAllocDmap+0x61/0x110
[ 302.449095][ T3631] dbAllocDmapLev+0x158/0x2c0
[ 302.453765][ T3631] ? dbAllocNext+0x410/0x410
[ 302.458346][ T3631] ? __get_metapage+0x525/0xef0
[ 302.463182][ T3631] dbAllocCtl+0x131/0x780
[ 302.467509][ T3631] dbAllocAny+0x10e/0x1a0
[ 302.471831][ T3631] ? dbAllocAG+0xd20/0xd20
[ 302.476236][ T3631] ? _down_write_nest_lock+0x150/0x150
[ 302.481695][ T3631] dbAlloc+0x46d/0xa70
[ 302.485761][ T3631] extAlloc+0x4e7/0xeb0
[ 302.489906][ T3631] ? jfs_ioc_trim+0x5c0/0x5c0
[ 302.494565][ T3631] ? _down_write_nest_lock+0x150/0x150
[ 302.500013][ T3631] ? lockdep_hardirqs_on+0x79/0x100
[ 302.505205][ T3631] jfs_get_block+0x661/0xa90
[ 302.509784][ T3631] ? jfs_writepage+0x30/0x30
[ 302.514364][ T3631] ? iov_iter_get_pages2+0xac/0xf0
[ 302.519471][ T3631] ? __iov_iter_get_pages_alloc+0x2420/0x2420
[ 302.525532][ T3631] ? iov_iter_npages+0xfe/0x6f0
[ 302.530374][ T3631] __blockdev_direct_IO+0x16ca/0x38c0
[ 302.535745][ T3631] ? sb_init_dio_done_wq+0x80/0x80
[ 302.540849][ T3631] ? jfs_writepage+0x30/0x30
[ 302.545430][ T3631] ? generic_error_remove_page+0x390/0x390
[ 302.551224][ T3631] ? mark_held_locks+0x9f/0xe0
[ 302.555975][ T3631] ? jfs_evict_inode+0x4a0/0x4a0
[ 302.560920][ T3631] ? rcu_read_lock_sched_held+0x3a/0x70
[ 302.566456][ T3631] ? __mark_inode_dirty+0x541/0x1040
[ 302.571741][ T3631] ? file_remove_privs+0x20/0x20
[ 302.576763][ T3631] jfs_direct_IO+0x10a/0x2c0
[ 302.581348][ T3631] generic_file_direct_write+0x1e8/0x540
[ 302.586987][ T3631] __generic_file_write_iter+0x1a2/0x4d0
[ 302.592607][ T3631] generic_file_write_iter+0xdf/0x350
[ 302.597962][ T3631] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 302.603931][ T3631] do_iter_readv_writev+0x20b/0x3b0
[ 302.609121][ T3631] ? generic_copy_file_range+0xd0/0xd0
[ 302.614586][ T3631] ? bpf_lsm_file_permission+0x5/0x10
[ 302.619951][ T3631] ? security_file_permission+0xab/0xd0
[ 302.625496][ T3631] do_iter_write+0x182/0x700
[ 302.630077][ T3631] vfs_writev+0x1aa/0x630
[ 302.634410][ T3631] ? vfs_iter_write+0xa0/0xa0
[ 302.639075][ T3631] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 302.645039][ T3631] ? putname+0xfe/0x140
[ 302.649190][ T3631] ? find_held_lock+0x2d/0x110
[ 302.653951][ T3631] ? __ct_user_exit+0xff/0x150
[ 302.658708][ T3631] ? lock_downgrade+0x6e0/0x6e0
[ 302.663566][ T3631] do_pwritev+0x1b6/0x270
[ 302.667884][ T3631] ? do_writev+0x2f0/0x2f0
[ 302.672288][ T3631] __x64_sys_pwritev2+0xeb/0x150
[ 302.677217][ T3631] do_syscall_64+0x35/0xb0
[ 302.681624][ T3631] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 302.687514][ T3631] RIP: 0033:0x7ff7fa06add9
[ 302.691914][ T3631] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 c0 ff ff ff f7 d8 64 89 01 48
[ 302.711599][ T3631] RSP: 002b:00007ffd3a9eace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 302.720017][ T3631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7fa06add9
[ 302.727974][ T3631] RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000003
[ 302.735927][ T3631] RBP: 00007ff7fa02a640 R08: 0000000000000000 R09: 0000000000000003
[ 302.743970][ T3631] R10: 0000000000001400 R11: 0000000000000246 R12: 0000000200000004
[ 302.752101][ T3631] R13: 0000000000000000 R14: 00080000000000fc R15: 0000000000000000
[ 302.760068][ T3631]
[ 302.763139][ T3631] Kernel Offset: disabled
[ 302.767721][ T3631] Rebooting in 86400 seconds..