Warning: Permanently added '10.128.0.21' (ED25519) to the list of known hosts.
executing program
[   32.472242][ T4317] loop0: detected capacity change from 0 to 32768
[   32.478811][ T4317] ERROR: (device loop0): dtSearch: stack overrun!
[   32.478811][ T4317] 
[   32.480515][ T4317] ERROR: (device loop0): remounting filesystem as read-only
[   32.481577][ T4317] btstack dump:
[   32.482077][ T4317] bn = 0, index = 0
[   32.482644][ T4317] bn = 72c, index = 96
[   32.483281][ T4317] bn = 0, index = 0
[   32.483877][ T4317] bn = 72c, index = 96
[   32.484489][ T4317] bn = 0, index = 0
[   32.485024][ T4317] bn = 72c, index = 96
[   32.485677][ T4317] bn = 0, index = 0
[   32.486238][ T4317] bn = 0, index = 0
[   32.491826][   T92] BUG: Bad page state in process jfsCommit  pfn:113738
[   32.492985][   T92] page:00000000c157b113 refcount:0 mapcount:0 mapping:0000000000000000 index:0x72c pfn:0x113738
[   32.494525][   T92] flags: 0x5ffc60000002047(locked|referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
[   32.496187][   T92] raw: 05ffc60000002047 dead000000000100 dead000000000122 0000000000000000
[   32.497488][   T92] raw: 000000000000072c ffff0000e05a6ba0 00000000ffffffff 0000000000000000
[   32.499354][   T92] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   32.500644][   T92] Modules linked in:
[   32.501337][   T92] CPU: 0 PID: 92 Comm: jfsCommit Not tainted syzkaller #0
[   32.502469][   T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
[   32.504004][   T92] Call trace:
[   32.504528][   T92]  dump_backtrace+0x1c0/0x1ec
[   32.505257][   T92]  show_stack+0x2c/0x3c
[   32.505837][   T92]  __dump_stack+0x30/0x40
[   32.506465][   T92]  dump_stack_lvl+0xf4/0x15c
[   32.507186][   T92]  dump_stack+0x1c/0x5c
[   32.507832][   T92]  bad_page+0x188/0x1a8
[   32.508474][   T92]  free_page_is_bad_report+0xf8/0x170
[   32.509346][   T92]  free_unref_page_prepare+0x620/0xaf0
[   32.510193][   T92]  free_unref_page+0x7c/0x3a0
[   32.510902][   T92]  __folio_put+0xd0/0x128
[   32.511536][   T92]  _metapage_homeok+0x130/0x214
[   32.512262][   T92]  txUnlock+0x220/0xb78
[   32.512883][   T92]  jfs_lazycommit+0x440/0x908
[   32.513693][   T92]  kthread+0x250/0x2d8
[   32.514400][   T92]  ret_from_fork+0x10/0x20
[   32.515625][   T92] Disabling lock debugging due to kernel taint
[   32.516521][   T92] page:00000000c157b113 refcount:0 mapcount:0 mapping:0000000000000000 index:0x72c pfn:0x113738
[   32.518042][   T92] flags: 0x5ffc60000002047(locked|referenced|uptodate|workingset|private|node=0|zone=2|lastcpupid=0x7ff)
[   32.519928][   T92] raw: 05ffc60000002047 dead000000000100 dead000000000122 0000000000000000
[   32.521134][   T92] raw: 000000000000072c ffff0000e05a6ba0 00000000ffffffff 0000000000000000
[   32.522379][   T92] page dumped because: VM_BUG_ON_FOLIO(((unsigned int) folio_ref_count(folio) + 127u <= 127u))
[   32.523942][   T92] ------------[ cut here ]------------
[   32.524714][   T92] kernel BUG at include/linux/mm.h:1146!
[   32.525488][   T92] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
[   32.526564][   T92] Modules linked in:
[   32.527102][   T92] CPU: 0 PID: 92 Comm: jfsCommit Tainted: G    B              syzkaller #0
[   32.528277][   T92] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
[   32.529750][   T92] pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
[   32.530971][   T92] pc : put_metapage+0x278/0x2bc
[   32.531722][   T92] lr : put_metapage+0x278/0x2bc
[   32.532471][   T92] sp : ffff80001cfd7c00
[   32.533130][   T92] x29: ffff80001cfd7c00 x28: ffff80001c5ac138 x27: 1fffe0001c0b4d79
[   32.534342][   T92] x26: 1fffe0001c0b4d86 x25: dfff800000000000 x24: 000000000000007f
[   32.535544][   T92] x23: fffffc00034dce34 x22: fffffc00034dce00 x21: ffff0000e05a6bc8
[   32.536729][   T92] x20: ffff0000e05a6c30 x19: ffff0000e05a6ba0 x18: ffff800011b7bf60
[   32.537925][   T92] x17: 635f6665725f6f69 x16: ffff800008042fdc x15: 0000000000000000
[   32.539112][   T92] x14: 0000000000000001 x13: 1fffe00033eaaba3 x12: 0000000000ff0100
[   32.540273][   T92] x11: ff008000087bbb44 x10: 0000000000000000 x9 : ffff8000087bbb44
[   32.541499][   T92] x8 : ffff0000c7d21bc0 x7 : 0000000000000001 x6 : 0000000000000001
[   32.542721][   T92] x5 : ffff80001cfd7638 x4 : ffff8000152e4cc0 x3 : ffff800008538160
[   32.543884][   T92] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000005c
[   32.545128][   T92] Call trace:
[   32.545672][   T92]  put_metapage+0x278/0x2bc
[   32.546387][   T92]  txUnlock+0x398/0xb78
[   32.547010][   T92]  jfs_lazycommit+0x440/0x908
[   32.547702][   T92]  kthread+0x250/0x2d8
[   32.548360][   T92]  ret_from_fork+0x10/0x20
[   32.549006][   T92] Code: 900431e1 91130021 aa1603e0 97bc0d7b (d4210000) 
[   32.550021][   T92] ---[ end trace 0000000000000000 ]---
[   32.728968][   T92] Kernel panic - not syncing: Oops - BUG: Fatal exception
[   32.730021][   T92] SMP: stopping secondary CPUs
[   32.730731][   T92] Kernel Offset: disabled
[   32.731376][   T92] CPU features: 0x080000,000f0097,a65bfea7
[   32.732256][   T92] Memory Limit: none
[   32.906652][   T92] Rebooting in 86400 seconds..