ci2 starts bisection 2023-06-13 21:02:24.628872334 +0000 UTC m=+5540.277303893
bisecting fixing commit since bf4ad6fa4e5332e53913b073d0219319a4091619
building syzkaller on 2b9ba477a18ed0cc53e6b29a9641292709a7ba24
ensuring issue is reproducible on original commit bf4ad6fa4e5332e53913b073d0219319a4091619

testing commit bf4ad6fa4e5332e53913b073d0219319a4091619 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: efee25647d04b87c6d52415cab6acb4a9d06ad7871dd182b8624dc0878eede73
all runs: crashed: BUG: unable to handle kernel paging request in txBegin
testing current HEAD 2f3918bc53fb998fdeed8683ddc61194ceb84edf
testing commit 2f3918bc53fb998fdeed8683ddc61194ceb84edf gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b61b39f05e9dd19a233607bedb11ebc279338d30249b6fbfe993451b3964ab7c
all runs: crashed: BUG: unable to handle kernel paging request in txBegin
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 44m41.528103883s (build: 37m52.150025412s, test: 6m21.577644366s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 6.1.33
crash: BUG: unable to handle kernel paging request in txBegin
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
Unable to handle kernel paging request at virtual address dfff800000000008
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000008] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4703 Comm: syz-executor.0 Not tainted 6.1.33-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : generic_test_bit include/asm-generic/bitops/generic-non-atomic.h:128 [inline]
pc : txBegin+0x114/0x508 fs/jfs/jfs_txnmgr.c:366
lr : spin_lock include/linux/spinlock.h:350 [inline]
lr : txBegin+0xc4/0x508 fs/jfs/jfs_txnmgr.c:357
sp : ffff80001c557660
x29: ffff80001c557680 x28: 0000000000000008 x27: 0000000000000150
x26: ffff80001130c420 x25: ffff0000e2089ff0 x24: 0000000000000040
x23: ffff8000147bfd80 x22: ffff80001828b468 x21: 0000000000000000
x20: 0000000000000000 x19: dfff800000000000 x18: ffff80001c557360
x17: ffff800008944114 x16: ffff8000082c2370 x15: 0000000000015b7c
x14: 0000000025779f1f x13: dfff800000000000 x12: ffff7000038aaeb4
x11: 1ffff000038aaeb4 x10: 0000000000000004 x9 : 00ce8af81ab41a00
x8 : 1ffff000028f6a3c x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000172e87b8 x4 : 0000000000000008 x3 : ffff8000082c24a0
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 txBegin+0x114/0x508 fs/jfs/jfs_txnmgr.c:362
 __jfs_xattr_set+0xc4/0x174 fs/jfs/xattr.c:915
 jfs_xattr_set+0x44/0x58 fs/jfs/xattr.c:941
 __vfs_setxattr+0x2e4/0x2fc fs/xattr.c:182
 __vfs_setxattr_noperm+0x134/0x478 fs/xattr.c:216
 __vfs_setxattr_locked+0x168/0x18c fs/xattr.c:277
 vfs_setxattr+0x174/0x2cc fs/xattr.c:309
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x1c0/0x1d4 fs/xattr.c:617
 path_setxattr+0x14c/0x1f4 fs/xattr.c:636
 __do_sys_setxattr fs/xattr.c:652 [inline]
 __se_sys_setxattr fs/xattr.c:648 [inline]
 __arm64_sys_setxattr+0xb8/0xd4 fs/xattr.c:648
 __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: 94000101 aa1703e0 95e3d4ee 370802f5 (38736b88) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	94000101 	bl	0x404
   4:	aa1703e0 	mov	x0, x23
   8:	95e3d4ee 	bl	0x78f53c0
   c:	370802f5 	tbnz	w21, #1, 0x68
* 10:	38736b88 	ldrb	w8, [x28, x19] <-- trapping instruction