ci2 starts bisection 2023-06-07 21:05:01.030865469 +0000 UTC m=+13373.268506978
bisecting fixing commit since 7eaef76fbc4621ced374c85dbc000dd80dc681d7
building syzkaller on 8b4eb097b2e5a6f78a8d0b1ae48de4bbaa4c45a1
ensuring issue is reproducible on original commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7

testing commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e39ddcee213192a2f3fbe7d4f715e3ad441b8f879baa91a62154437bbe4cb5a8
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in indx_find
testing current HEAD 76ba310227d2490018c271f1ecabb6c0a3212eb0
testing commit 76ba310227d2490018c271f1ecabb6c0a3212eb0 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: bfe5217c83c60bd9d38b2543a64bce6209534797d5deabde57fa3c7eb2195be9
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in indx_find
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 1h0m5.565161272s (build: 53m5.752873852s, test: 6m29.332705353s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 6.1.32
crash: BUG: unable to handle kernel NULL pointer dereference in indx_find
loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512)
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010df84000
[0000000000000000] pgd=0800000111950003, p4d=0800000111950003, pud=08000001157f0003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5035 Comm: syz-executor.0 Not tainted 6.1.32-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : hdr_find_e+0x284/0x498 fs/ntfs3/index.c:712
sp : ffff80001c247300
x29: ffff80001c2474e0 x28: 0000000000000000 x27: ffff0000e4a4e278
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000138
x23: ffff0000e4a4e140 x22: 0000000000000003 x21: 0000000000000148
x20: 0000000000000148 x19: dfff800000000000 x18: 1fffe0003690d576
x17: ffff80001422d000 x16: ffff800010db1880 x15: ffff8000089320a4
x14: ffff80000892f844 x13: 0000000000000000 x12: ffff80001c247380
x11: 0000000000000001 x10: 0000000000000000 x9 : 0000000000000003
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffff0000d6b0a000 x3 : 0000000000000000
x2 : ffff0000e4a4e288 x1 : 0000000000000000 x0 : ffff80001129ace0
Call trace:
 0x0
 indx_find+0x290/0x824 fs/ntfs3/index.c:1082
 dir_search_u+0x174/0x2a8 fs/ntfs3/dir.c:254
 ntfs_extend_init+0x150/0x3fc fs/ntfs3/fsntfs.c:214
 ntfs_fill_super+0x2e70/0x32c8 fs/ntfs3/super.c:1243
 get_tree_bdev+0x318/0x4d8 fs/super.c:1346
 ntfs_fs_get_tree+0x18/0x24 fs/ntfs3/super.c:1359
 vfs_get_tree+0x88/0x224 fs/super.c:1553
 do_new_mount+0x1a4/0x6f8 fs/namespace.c:3040
 path_mount+0x4f8/0xa50 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x3a0/0x44c fs/namespace.c:3568
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x7c/0x258 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x160/0x1e4 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x54/0x178 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Code: bad PC value
---[ end trace 0000000000000000 ]---