Warning: Permanently added '10.128.0.237' (ED25519) to the list of known hosts.
executing program
syzkaller login: [   43.516968][ T4026] loop0: detected capacity change from 0 to 2048
[   43.632373][ T4026] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
[   43.933532][ T4026] ==================================================================
[   43.935317][ T4026] BUG: KASAN: null-ptr-deref in udf_bread+0x234/0x5b0
[   43.936755][ T4026] Write of size 8 at addr 0000000000000000 by task syz-executor347/4026
[   43.938576][ T4026] 
[   43.939067][ T4026] CPU: 0 PID: 4026 Comm: syz-executor347 Not tainted 5.15.176-syzkaller #0
[   43.941151][ T4026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   43.943223][ T4026] Call trace:
[   43.943879][ T4026]  dump_backtrace+0x0/0x530
[   43.944857][ T4026]  show_stack+0x2c/0x3c
[   43.945692][ T4026]  dump_stack_lvl+0x108/0x170
[   43.946698][ T4026]  kasan_report+0x168/0x1e4
[   43.947651][ T4026]  kasan_check_range+0x274/0x2b4
[   43.948672][ T4026]  __kasan_check_write+0x44/0x54
[   43.949695][ T4026]  udf_bread+0x234/0x5b0
[   43.950651][ T4026]  udf_fiiter_append_blk+0x310/0x7b8
[   43.951765][ T4026]  udf_fiiter_add_entry+0xff8/0x1934
[   43.952926][ T4026]  udf_mkdir+0x118/0x5a0
[   43.953789][ T4026]  vfs_mkdir+0x334/0x4e4
[   43.954665][ T4026]  do_mkdirat+0x20c/0x610
[   43.955588][ T4026]  __arm64_sys_mkdirat+0x90/0xa8
[   43.956748][ T4026]  invoke_syscall+0x98/0x2b8
[   43.957697][ T4026]  el0_svc_common+0x138/0x258
[   43.958754][ T4026]  do_el0_svc+0x58/0x14c
[   43.959638][ T4026]  el0_svc+0x7c/0x1f0
[   43.960613][ T4026]  el0t_64_sync_handler+0x84/0xe4
[   43.961602][ T4026]  el0t_64_sync+0x1a0/0x1a4
[   43.962617][ T4026] ==================================================================
[   43.964343][ T4026] Disabling lock debugging due to kernel taint
[   43.966552][ T4026] Unable to handle kernel paging request at virtual address dfff800000000000
[   43.968451][ T4026] Mem abort info:
[   43.969183][ T4026]   ESR = 0x0000000096000006
[   43.970166][ T4026]   EC = 0x25: DABT (current EL), IL = 32 bits
[   43.971429][ T4026]   SET = 0, FnV = 0
[   43.972204][ T4026]   EA = 0, S1PTW = 0
[   43.972973][ T4026]   FSC = 0x06: level 2 translation fault
[   43.974162][ T4026] Data abort info:
[   43.974922][ T4026]   ISV = 0, ISS = 0x00000006
[   43.975921][ T4026]   CM = 0, WnR = 0
[   43.976677][ T4026] [dfff800000000000] address between user and kernel address ranges
[   43.978295][ T4026] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
[   43.979725][ T4026] Modules linked in:
[   43.980605][ T4026] CPU: 0 PID: 4026 Comm: syz-executor347 Tainted: G    B             5.15.176-syzkaller #0
[   43.982646][ T4026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   43.984912][ T4026] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   43.986451][ T4026] pc : udf_bread+0x238/0x5b0
[   43.987493][ T4026] lr : udf_bread+0x234/0x5b0
[   43.988469][ T4026] sp : ffff80001d1a72e0
[   43.989338][ T4026] x29: ffff80001d1a7460 x28: ffff80001d1a7300 x27: dfff800000000000
[   43.991043][ T4026] x26: ffff700003a34e60 x25: 0000000000000000 x24: 1ffff00003a34ea4
[   43.992732][ T4026] x23: 0000000000000030 x22: 0000000000000000 x21: ffff80001d1a7410
[   43.994555][ T4026] x20: ffff0000e2009490 x19: ffff80001d1a7520 x18: 0000000000000002
[   43.996260][ T4026] x17: 0000000000000000 x16: ffff80000824ec04 x15: 00000000ffffffff
[   43.997918][ T4026] x14: ffff0000cb9b51c0 x13: 0000000000000001 x12: ffff700002e38564
[   43.999511][ T4026] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[   44.001252][ T4026] x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000001
[   44.002964][ T4026] x5 : ffff80001d1a6978 x4 : 0000000000000000 x3 : ffff80000819c3ec
[   44.004494][ T4026] x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000
[   44.006147][ T4026] Call trace:
[   44.006834][ T4026]  udf_bread+0x238/0x5b0
[   44.007700][ T4026]  udf_fiiter_append_blk+0x310/0x7b8
[   44.008675][ T4026]  udf_fiiter_add_entry+0xff8/0x1934
[   44.009765][ T4026]  udf_mkdir+0x118/0x5a0
[   44.010685][ T4026]  vfs_mkdir+0x334/0x4e4
[   44.011555][ T4026]  do_mkdirat+0x20c/0x610
[   44.012404][ T4026]  __arm64_sys_mkdirat+0x90/0xa8
[   44.013378][ T4026]  invoke_syscall+0x98/0x2b8
[   44.014314][ T4026]  el0_svc_common+0x138/0x258
[   44.015294][ T4026]  do_el0_svc+0x58/0x14c
[   44.016214][ T4026]  el0_svc+0x7c/0x1f0
[   44.017054][ T4026]  el0t_64_sync_handler+0x84/0xe4
[   44.018110][ T4026]  el0t_64_sync+0x1a0/0x1a4
[   44.019101][ T4026] Code: aa1603e0 52800101 97bfcc64 d343fed9 (387b6b28) 
[   44.020556][ T4026] ---[ end trace ccf3f514afc076d2 ]---
[   44.423609][ T4026] Kernel panic - not syncing: Oops: Fatal exception
[   44.425044][ T4026] SMP: stopping secondary CPUs
[   44.426103][ T4026] Kernel Offset: disabled
[   44.427087][ T4026] CPU features: 0x8,000081c1,21302e40
[   44.428227][ T4026] Memory Limit: none
[   44.733969][ T4026] Rebooting in 86400 seconds..