Warning: Permanently added '10.128.0.116' (ED25519) to the list of known hosts.
executing program
[   46.137709][ T4021] loop0: detected capacity change from 0 to 32768
[   46.221489][ T4021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   46.223744][ T4021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[   46.232076][ T4021] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[   46.236045][ T1961] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[   46.237884][ T1961] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[   46.275778][ T1961] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 37ms
[   46.278243][ T1961] gfs2: fsid=syz:syz.0: jid=0: Done
[   46.280298][ T4021] gfs2: fsid=syz:syz.0: first mount done, others may mount
[   46.374974][ T4021] ==================================================================
[   46.377151][ T4021] BUG: KASAN: stack-out-of-bounds in gfs2_file_buffered_write+0x4c8/0x874
[   46.379412][ T4021] Read of size 8 at addr ffff80001d1a6fb0 by task syz-executor816/4021
[   46.381614][ T4021] 
[   46.382199][ T4021] CPU: 1 PID: 4021 Comm: syz-executor816 Not tainted 5.15.179-syzkaller #0
[   46.384503][ T4021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   46.387279][ T4021] Call trace:
[   46.388156][ T4021]  dump_backtrace+0x0/0x530
[   46.389364][ T4021]  show_stack+0x2c/0x3c
[   46.390578][ T4021]  dump_stack_lvl+0x108/0x170
[   46.391812][ T4021]  print_address_description+0x7c/0x3f0
[   46.393266][ T4021]  kasan_report+0x174/0x1e4
[   46.394422][ T4021]  __asan_report_load8_noabort+0x44/0x50
[   46.395912][ T4021]  gfs2_file_buffered_write+0x4c8/0x874
[   46.397375][ T4021]  gfs2_file_write_iter+0x3b8/0xc80
[   46.398708][ T4021]  __kernel_write+0x488/0x8b8
[   46.399942][ T4021]  __dump_emit+0x200/0x338
[   46.401144][ T4021]  dump_emit+0x288/0x36c
[   46.402281][ T4021]  elf_core_dump+0x2598/0x3640
[   46.403521][ T4021]  do_coredump+0x12c8/0x2890
[   46.404740][ T4021]  get_signal+0x3dc/0x1550
[   46.405975][ T4021]  do_notify_resume+0x320/0x32b8
[   46.407292][ T4021]  el0_da+0x118/0x20c
[   46.408376][ T4021]  el0t_64_sync_handler+0xc0/0xe4
[   46.409797][ T4021]  el0t_64_sync+0x1a0/0x1a4
[   46.410978][ T4021] 
[   46.411576][ T4021] 
[   46.412175][ T4021] addr ffff80001d1a6fb0 is located in stack of task syz-executor816/4021 at offset 48 in frame:
[   46.415089][ T4021]  __kernel_write+0x0/0x8b8
[   46.416336][ T4021] 
[   46.416953][ T4021] this frame has 3 objects:
[   46.418165][ T4021]  [32, 48) 'iov'
[   46.418175][ T4021]  [64, 112) 'kiocb'
[   46.419126][ T4021]  [144, 184) 'iter'
[   46.420208][ T4021] 
[   46.421795][ T4021] Memory state around the buggy address:
[   46.423291][ T4021]  ffff80001d1a6e80: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
[   46.425420][ T4021]  ffff80001d1a6f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   46.427644][ T4021] >ffff80001d1a6f80: f1 f1 f1 f1 00 00 f2 f2 00 00 00 00 00 00 f2 f2
[   46.429715][ T4021]                                      ^
[   46.431246][ T4021]  ffff80001d1a7000: f2 f2 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00
[   46.433393][ T4021]  ffff80001d1a7080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   46.435634][ T4021] ==================================================================
[   46.437815][ T4021] Disabling lock debugging due to kernel taint
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