DUID 00:04:4b:a6:d8:97:08:21:27:2e:fd:cf:3e:39:f6:c0:7f:1f forked to background, child pid 3212 [ 27.982707][ T3213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.993031][ T3213] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.296877][ T14] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.158' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 549.580897][ T3584] loop5: detected capacity change from 0 to 32768 [ 549.587783][ T3583] loop4: detected capacity change from 0 to 32768 [ 549.618473][ T3580] loop2: detected capacity change from 0 to 32768 [ 549.624916][ T3582] loop1: detected capacity change from 0 to 32768 [ 549.634036][ T3581] loop0: detected capacity change from 0 to 32768 [ 549.643783][ T3586] loop3: detected capacity change from 0 to 32768 executing program executing program executing program executing program executing program executing program [ 551.462802][ T3595] loop5: detected capacity change from 0 to 32768 [ 551.469537][ T3594] loop4: detected capacity change from 0 to 32768 [ 551.513651][ T3596] loop1: detected capacity change from 0 to 32768 [ 551.533261][ T3597] loop0: detected capacity change from 0 to 32768 [ 551.585380][ T3593] loop2: detected capacity change from 0 to 32768 [ 551.671258][ T3598] loop3: detected capacity change from 0 to 32768 executing program executing program executing program executing program executing program executing program [ 553.342689][ T3601] loop4: detected capacity change from 0 to 32768 [ 553.370075][ T3603] loop2: detected capacity change from 0 to 32768 [ 553.379182][ T3600] loop0: detected capacity change from 0 to 32768 [ 553.394260][ T3602] loop1: detected capacity change from 0 to 32768 [ 553.411417][ T3605] loop3: detected capacity change from 0 to 32768 [ 553.436376][ T3604] loop5: detected capacity change from 0 to 32768 executing program executing program executing program executing program executing program executing program [ 555.016573][ T3606] loop4: detected capacity change from 0 to 32768 [ 555.082778][ T3607] loop3: detected capacity change from 0 to 32768 executing program executing program [ 555.440656][ T3608] loop2: detected capacity change from 0 to 32768 executing program [ 555.748345][ T3609] loop1: detected capacity change from 0 to 32768 [ 555.882234][ T3611] loop0: detected capacity change from 0 to 32768 executing program executing program [ 556.248359][ T3610] loop5: detected capacity change from 0 to 32768 [ 556.789405][ T3612] loop4: detected capacity change from 0 to 32768 [ 556.831147][ T3616] loop2: detected capacity change from 0 to 32768 [ 556.861364][ T3614] loop3: detected capacity change from 0 to 32768 executing program executing program [ 557.399830][ T3617] loop1: detected capacity change from 0 to 32768 executing program executing program executing program [ 558.029093][ T3618] loop0: detected capacity change from 0 to 32768 [ 558.116599][ T3620] loop5: detected capacity change from 0 to 32768 executing program [ 558.536510][ T3619] loop4: detected capacity change from 0 to 32768 executing program [ 558.956266][ T3622] loop2: detected capacity change from 0 to 32768 [ 558.968244][ T3621] loop3: detected capacity change from 0 to 32768 [ 559.000186][ T3623] loop1: detected capacity change from 0 to 32768 executing program executing program executing program executing program [ 559.819461][ T3625] loop0: detected capacity change from 0 to 32768 [ 559.996073][ T3624] loop5: detected capacity change from 0 to 32768 [ 560.404963][ T3626] loop4: detected capacity change from 0 to 32768 [ 560.430060][ T3628] loop1: detected capacity change from 0 to 32768 [ 560.683358][ T3627] loop2: detected capacity change from 0 to 32768 executing program executing program executing program [ 560.921599][ T3629] loop3: detected capacity change from 0 to 32768 executing program executing program executing program [ 561.743337][ T3632] loop1: detected capacity change from 0 to 32768 [ 561.863761][ T3631] loop5: detected capacity change from 0 to 32768 executing program executing program [ 562.251315][ T3630] loop0: detected capacity change from 0 to 32768 [ 562.520647][ T3633] loop2: detected capacity change from 0 to 32768 [ 562.602963][ T3634] loop4: detected capacity change from 0 to 32768 executing program [ 562.930640][ T3635] loop3: detected capacity change from 0 to 32768 executing program executing program [ 563.414259][ T3636] loop1: detected capacity change from 0 to 32768 executing program [ 563.677692][ T3637] loop5: detected capacity change from 0 to 32768 executing program executing program [ 564.279068][ T3640] loop4: detected capacity change from 0 to 32768 [ 564.388574][ T3638] loop2: detected capacity change from 0 to 32768 executing program [ 564.834728][ T3641] loop3: detected capacity change from 0 to 32768 executing program executing program [ 565.182116][ T3639] loop0: detected capacity change from 0 to 32768 [ 565.509065][ T3643] loop5: detected capacity change from 0 to 32768 executing program [ 565.906821][ T3642] loop1: detected capacity change from 0 to 32768 [ 565.979223][ T3644] loop2: detected capacity change from 0 to 32768 executing program [ 566.423065][ T3645] loop4: detected capacity change from 0 to 32768 executing program executing program [ 566.772025][ T3647] loop0: detected capacity change from 0 to 32768 [ 566.783130][ T3646] loop3: detected capacity change from 0 to 32768 executing program executing program executing program [ 567.536735][ T3648] loop5: detected capacity change from 0 to 32768 [ 567.757452][ T3649] loop1: detected capacity change from 0 to 32768 [ 567.859130][ T3650] loop2: detected capacity change from 0 to 32768 executing program [ 568.121970][ T3651] loop0: detected capacity change from 0 to 32768 executing program [ 568.432591][ T3652] loop4: detected capacity change from 0 to 32768 executing program executing program executing program [ 569.130892][ T3653] loop3: detected capacity change from 0 to 32768 [ 569.288289][ T3655] loop5: detected capacity change from 0 to 32768 [ 569.492696][ T3657] loop0: detected capacity change from 0 to 32768 executing program [ 569.582125][ T3654] loop1: detected capacity change from 0 to 32768 executing program [ 570.030171][ T3656] loop2: detected capacity change from 0 to 32768 executing program executing program [ 570.383332][ T3658] loop4: detected capacity change from 0 to 32768 executing program executing program [ 570.947142][ T3659] loop5: detected capacity change from 0 to 32768 [ 571.023724][ T3660] loop3: detected capacity change from 0 to 32768 executing program [ 571.393183][ T3663] loop2: detected capacity change from 0 to 32768 [ 571.672213][ T3661] loop0: detected capacity change from 0 to 32768 [ 571.738946][ T3662] loop1: detected capacity change from 0 to 32768 executing program executing program executing program [ 572.328025][ T3664] loop4: detected capacity change from 0 to 32768 executing program [ 572.680800][ T3666] loop5: detected capacity change from 0 to 32768 [ 572.756310][ T3665] loop3: detected capacity change from 0 to 32768 executing program executing program [ 573.303795][ T3667] loop1: detected capacity change from 0 to 32768 executing program [ 573.537726][ T3668] loop2: detected capacity change from 0 to 32768 [ 573.568290][ T3669] loop0: detected capacity change from 0 to 32768 executing program executing program [ 574.192002][ T3670] loop5: detected capacity change from 0 to 32768 executing program [ 574.458894][ T3672] loop3: detected capacity change from 0 to 32768 [ 574.489709][ T3671] loop4: detected capacity change from 0 to 32768 executing program [ 575.098175][ T3673] loop0: detected capacity change from 0 to 32768 executing program executing program [ 575.476653][ T3674] loop1: detected capacity change from 0 to 32768 [ 575.595502][ T3675] loop2: detected capacity change from 0 to 32768 executing program executing program [ 576.122224][ T3676] loop5: detected capacity change from 0 to 32768 [ 576.167513][ T3677] loop3: detected capacity change from 0 to 32768 executing program executing program [ 576.611722][ T3678] loop4: detected capacity change from 0 to 32768 executing program [ 576.923675][ T3679] loop0: detected capacity change from 0 to 32768 executing program [ 577.267353][ T3680] loop2: detected capacity change from 0 to 32768 [ 577.288503][ T3681] loop1: detected capacity change from 0 to 32768 executing program executing program [ 577.779925][ T3682] loop5: detected capacity change from 0 to 32768 executing program [ 578.190394][ T3683] loop3: detected capacity change from 0 to 32768 executing program [ 578.660548][ T3684] loop4: detected capacity change from 0 to 32768 [ 578.684173][ T3685] loop2: detected capacity change from 0 to 32768 executing program [ 579.042339][ T3686] loop0: detected capacity change from 0 to 32768 [ 579.153616][ T3687] loop1: detected capacity change from 0 to 32768 executing program executing program [ 579.612197][ T3688] loop5: detected capacity change from 0 to 32768 executing program executing program [ 579.993258][ T3689] loop3: detected capacity change from 0 to 32768 executing program [ 580.273471][ T3691] loop4: detected capacity change from 0 to 32768 executing program executing program [ 580.589622][ T3690] loop2: detected capacity change from 0 to 32768 [ 581.114341][ T3692] loop0: detected capacity change from 0 to 32768 [ 581.121867][ T3693] loop1: detected capacity change from 0 to 32768 executing program [ 581.423306][ T3694] loop3: detected capacity change from 0 to 32768 executing program executing program executing program [ 581.611239][ T3696] loop4: detected capacity change from 0 to 32768 [ 581.947695][ T3695] loop5: detected capacity change from 0 to 32768 executing program executing program [ 582.668642][ T3698] loop1: detected capacity change from 0 to 32768 [ 582.778895][ T3697] loop2: detected capacity change from 0 to 32768 [ 583.009844][ T3700] loop3: detected capacity change from 0 to 32768 executing program [ 583.332412][ T3699] loop0: detected capacity change from 0 to 32768 executing program executing program [ 583.595153][ T3701] loop4: detected capacity change from 0 to 32768 executing program [ 584.021887][ T3702] loop5: detected capacity change from 0 to 32768 executing program executing program [ 584.493178][ T3703] loop2: detected capacity change from 0 to 32768 [ 584.652148][ T3705] loop0: detected capacity change from 0 to 32768 [ 584.795390][ T3706] loop3: detected capacity change from 0 to 32768 executing program [ 585.135249][ T3704] loop1: detected capacity change from 0 to 32768 executing program [ 585.336893][ T3707] loop4: detected capacity change from 0 to 32768 executing program executing program executing program [ 586.146601][ T3708] loop5: detected capacity change from 0 to 32768 [ 586.443202][ T3712] loop3: detected capacity change from 0 to 32768 [ 586.470381][ T3709] loop0: detected capacity change from 0 to 32768 [ 586.616356][ T3710] loop2: detected capacity change from 0 to 32768 [ 586.633654][ T3711] loop1: detected capacity change from 0 to 32768 executing program executing program executing program executing program executing program [ 587.132143][ T3713] loop4: detected capacity change from 0 to 32768 executing program [ 588.179627][ T3718] loop5: detected capacity change from 0 to 32768 [ 588.211772][ T3715] loop2: detected capacity change from 0 to 32768 [ 588.375145][ T3714] loop0: detected capacity change from 0 to 32768 [ 588.384651][ T3716] loop1: detected capacity change from 0 to 32768 executing program [ 588.514452][ T3719] loop4: detected capacity change from 0 to 32768 [ 588.552790][ T3717] loop3: detected capacity change from 0 to 32768 executing program executing program executing program executing program executing program [ 589.899116][ T3720] loop5: detected capacity change from 0 to 32768 [ 589.973749][ T3721] loop1: detected capacity change from 0 to 32768 [ 590.141251][ T3723] loop0: detected capacity change from 0 to 32768 [ 590.175597][ T3722] loop2: detected capacity change from 0 to 32768 executing program executing program executing program executing program [ 590.860112][ T3725] loop4: detected capacity change from 0 to 32768 [ 591.052746][ T3724] loop3: detected capacity change from 0 to 32768 [ 591.398516][ T3727] loop0: detected capacity change from 0 to 32768 [ 591.557795][ T3726] loop5: detected capacity change from 0 to 32768 executing program executing program executing program executing program [ 592.165240][ T3729] loop2: detected capacity change from 0 to 32768 [ 592.250819][ T3728] loop1: detected capacity change from 0 to 32768 [ 592.632528][ T3730] loop4: detected capacity change from 0 to 32768 [ 592.729896][ T3731] loop5: detected capacity change from 0 to 32768 executing program executing program executing program executing program [ 593.236683][ T3732] loop3: detected capacity change from 0 to 32768 [ 593.545736][ T3734] loop1: detected capacity change from 0 to 32768 [ 593.758316][ T3733] loop0: detected capacity change from 0 to 32768 [ 594.071543][ T3736] loop4: detected capacity change from 0 to 32768 executing program executing program [ 594.419446][ T3738] loop2: detected capacity change from 0 to 32768 executing program executing program [ 594.654920][ T3737] loop5: detected capacity change from 0 to 32768 executing program executing program [ 595.272749][ T3740] loop3: detected capacity change from 0 to 32768 [ 595.464997][ T3742] loop4: detected capacity change from 0 to 32768 [ 595.513145][ T3739] loop1: detected capacity change from 0 to 32768 [ 595.693540][ T3743] loop5: detected capacity change from 0 to 32768 [ 595.805401][ T132] ================================================================== [ 595.813500][ T132] BUG: KASAN: use-after-free in jfs_lazycommit+0x7da/0xb60 [ 595.820791][ T132] Read of size 4 at addr ffff888013a68294 by task jfsCommit/132 [ 595.828421][ T132] [ 595.830744][ T132] CPU: 0 PID: 132 Comm: jfsCommit Not tainted 6.1.32-syzkaller #0 [ 595.838550][ T132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 595.848608][ T132] Call Trace: [ 595.851887][ T132] executing program [ 595.854820][ T132] dump_stack_lvl+0x1e3/0x2cb [ 595.859535][ T132] ? irq_work_queue+0xc6/0x150 [ 595.864387][ T132] ? nf_tcp_handle_invalid+0x642/0x642 [ 595.869868][ T132] ? panic+0x75d/0x75d [ 595.873969][ T132] ? _printk+0xd1/0x111 [ 595.878133][ T132] print_report+0x15f/0x4f0 [ 595.882707][ T132] ? preempt_schedule_common+0xa6/0xd0 [ 595.888218][ T132] ? __virt_addr_valid+0x22b/0x2e0 [ 595.893355][ T132] ? __phys_addr+0xb6/0x170 [ 595.897868][ T132] ? jfs_lazycommit+0x7da/0xb60 [ 595.902727][ T132] kasan_report+0x136/0x160 [ 595.907241][ T132] ? jfs_lazycommit+0x7da/0xb60 [ 595.912100][ T132] jfs_lazycommit+0x7da/0xb60 [ 595.916795][ T132] ? txFreelock+0x580/0x580 [ 595.921305][ T132] ? do_task_dead+0xc0/0xc0 [ 595.925840][ T132] ? _raw_spin_unlock+0x40/0x40 [ 595.930668][ T132] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 595.936628][ T132] ? __kthread_parkme+0x15c/0x1c0 [ 595.941646][ T132] kthread+0x26e/0x300 [ 595.945692][ T132] ? txFreelock+0x580/0x580 [ 595.950177][ T132] ? kthread_blkcg+0xd0/0xd0 [ 595.954748][ T132] ret_from_fork+0x1f/0x30 [ 595.959154][ T132] [ 595.962150][ T132] [ 595.964451][ T132] Allocated by task 3742: [ 595.968752][ T132] kasan_set_track+0x4b/0x70 [ 595.973329][ T132] __kasan_kmalloc+0x97/0xb0 [ 595.977899][ T132] jfs_fill_super+0xfb/0xc40 [ 595.982465][ T132] mount_bdev+0x2c9/0x3f0 [ 595.986812][ T132] legacy_get_tree+0xeb/0x180 [ 595.991517][ T132] vfs_get_tree+0x88/0x270 [ 595.995910][ T132] do_new_mount+0x28b/0xae0 [ 596.000424][ T132] __se_sys_mount+0x2d5/0x3c0 [ 596.005077][ T132] do_syscall_64+0x3d/0xb0 [ 596.009471][ T132] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 596.015370][ T132] [ 596.017673][ T132] Freed by task 3578: [ 596.021625][ T132] kasan_set_track+0x4b/0x70 [ 596.026196][ T132] kasan_save_free_info+0x27/0x40 [ 596.031198][ T132] ____kasan_slab_free+0xd6/0x120 [ 596.036202][ T132] __kmem_cache_free+0x25c/0x3c0 [ 596.041115][ T132] generic_shutdown_super+0x130/0x340 [ 596.046466][ T132] kill_block_super+0x7a/0xe0 [ 596.051121][ T132] deactivate_locked_super+0xa0/0x110 [ 596.056469][ T132] cleanup_mnt+0x490/0x520 [ 596.060866][ T132] task_work_run+0x246/0x300 [ 596.065462][ T132] exit_to_user_mode_loop+0xd9/0x100 [ 596.070739][ T132] exit_to_user_mode_prepare+0xb1/0x140 [ 596.076262][ T132] syscall_exit_to_user_mode+0x60/0x270 [ 596.081812][ T132] do_syscall_64+0x49/0xb0 [ 596.086210][ T132] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 596.092078][ T132] [ 596.094381][ T132] The buggy address belongs to the object at ffff888013a68200 [ 596.094381][ T132] which belongs to the cache kmalloc-256 of size 256 [ 596.108407][ T132] The buggy address is located 148 bytes inside of [ 596.108407][ T132] 256-byte region [ffff888013a68200, ffff888013a68300) [ 596.121655][ T132] [ 596.123957][ T132] The buggy address belongs to the physical page: [ 596.130342][ T132] page:ffffea00004e9a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888013a69400 pfn:0x13a68 [ 596.141772][ T132] head:ffffea00004e9a00 order:1 compound_mapcount:0 compound_pincount:0 [ 596.150066][ T132] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 596.158022][ T132] raw: 00fff00000010200 0000000000000000 dead000000000001 ffff888012441b40 [ 596.166578][ T132] raw: ffff888013a69400 000000008010000e 00000001ffffffff 0000000000000000 [ 596.175130][ T132] page dumped because: kasan: bad access detected [ 596.181513][ T132] page_owner tracks the page as allocated [ 596.187200][ T132] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2339497190, free_ts 0 [ 596.206788][ T132] post_alloc_hook+0x18d/0x1b0 [ 596.211572][ T132] get_page_from_freelist+0x32ed/0x3480 [ 596.217095][ T132] __alloc_pages+0x28d/0x770 [ 596.221657][ T132] alloc_page_interleave+0x22/0x1c0 [ 596.226854][ T132] alloc_slab_page+0x6a/0x150 [ 596.231507][ T132] new_slab+0x84/0x2d0 [ 596.235553][ T132] ___slab_alloc+0xa71/0x1080 [ 596.240206][ T132] __kmem_cache_alloc_node+0x19f/0x260 [ 596.245639][ T132] __kmalloc_node_track_caller+0xa0/0x220 [ 596.251349][ T132] krealloc+0x61/0xf0 [ 596.255304][ T132] add_sysfs_param+0xca/0x7f0 [ 596.259961][ T132] kernel_add_sysfs_param+0xb0/0x126 [ 596.265249][ T132] param_sysfs_builtin+0x16a/0x1e2 [ 596.270340][ T132] param_sysfs_init+0x66/0x6a [ 596.274997][ T132] do_one_initcall+0x265/0x8f0 [ 596.279735][ T132] do_initcall_level+0x157/0x207 [ 596.284648][ T132] page_owner free stack trace missing [ 596.289989][ T132] [ 596.292288][ T132] Memory state around the buggy address: [ 596.297890][ T132] ffff888013a68180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 596.305924][ T132] ffff888013a68200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 596.313960][ T132] >ffff888013a68280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 596.321993][ T132] ^ [ 596.326554][ T132] ffff888013a68300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 596.334585][ T132] ffff888013a68380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 596.342627][ T132] ================================================================== [ 596.350664][ T132] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 596.357835][ T132] CPU: 0 PID: 132 Comm: jfsCommit Not tainted 6.1.32-syzkaller #0 [ 596.365614][ T132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 596.375649][ T132] Call Trace: [ 596.378916][ T132] [ 596.381831][ T132] dump_stack_lvl+0x1e3/0x2cb [ 596.386492][ T132] ? nf_tcp_handle_invalid+0x642/0x642 [ 596.391926][ T132] ? panic+0x75d/0x75d [ 596.395974][ T132] ? lock_release+0xd6/0xa20 [ 596.400547][ T132] ? vscnprintf+0x59/0x80 [ 596.404858][ T132] panic+0x318/0x75d [ 596.408734][ T132] ? check_panic_on_warn+0x1d/0xa0 [ 596.413867][ T132] ? memcpy_page_flushcache+0xfc/0xfc [ 596.419221][ T132] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 596.425092][ T132] ? _raw_spin_unlock+0x40/0x40 [ 596.429917][ T132] ? print_report+0x4a3/0x4f0 [ 596.434577][ T132] check_panic_on_warn+0x7e/0xa0 [ 596.439491][ T132] ? jfs_lazycommit+0x7da/0xb60 [ 596.444320][ T132] end_report+0x66/0x110 [ 596.448543][ T132] kasan_report+0x143/0x160 [ 596.453026][ T132] ? jfs_lazycommit+0x7da/0xb60 [ 596.457855][ T132] jfs_lazycommit+0x7da/0xb60 [ 596.462514][ T132] ? txFreelock+0x580/0x580 [ 596.467010][ T132] ? do_task_dead+0xc0/0xc0 [ 596.471503][ T132] ? _raw_spin_unlock+0x40/0x40 [ 596.476342][ T132] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 596.482306][ T132] ? __kthread_parkme+0x15c/0x1c0 [ 596.487316][ T132] kthread+0x26e/0x300 [ 596.491367][ T132] ? txFreelock+0x580/0x580 [ 596.495852][ T132] ? kthread_blkcg+0xd0/0xd0 [ 596.500422][ T132] ret_from_fork+0x1f/0x30 [ 596.504824][ T132] [ 597.595306][ T132] Shutting down cpus with NMI [ 597.600217][ T132] Kernel Offset: disabled [ 597.604597][ T132] Rebooting in 86400 seconds..