ci2 starts bisection 2023-01-21 06:11:49.622779904 +0000 UTC m=+20076.471420371
bisecting fixing commit since a6afa4199d3d038fbfdff5511f7523b0e30cb774
building syzkaller on aea5da898f473385f3b66c94f8aa49ca9a1c9744
ensuring issue is reproducible on original commit a6afa4199d3d038fbfdff5511f7523b0e30cb774

testing commit a6afa4199d3d038fbfdff5511f7523b0e30cb774 gcc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e4714924a76e855e1531567a501eb916990204a27b8f127832cecef439f08f11
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #1: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #2: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #3: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #4: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #5: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #6: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #7: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #8: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #9: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #10: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #11: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #12: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #13: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #14: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #15: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #16: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #17: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #18: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
run #19: crashed: UBSAN: shift-out-of-bounds in dbAllocBits
testing current HEAD f883675bf6522b52cd75dc3de791680375961769
testing commit f883675bf6522b52cd75dc3de791680375961769 gcc
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b4dfdde17a380a27055fc10fcbe017283b72f5001b0e194c730f6a74377ee8f4
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #1: crashed: UBSAN: shift-out-of-bounds in dbMount
run #2: crashed: UBSAN: shift-out-of-bounds in dbMount
run #3: crashed: UBSAN: shift-out-of-bounds in dbMount
run #4: crashed: UBSAN: shift-out-of-bounds in dbMount
run #5: crashed: UBSAN: shift-out-of-bounds in dbMount
run #6: crashed: UBSAN: shift-out-of-bounds in dbMount
run #7: crashed: UBSAN: shift-out-of-bounds in dbMount
run #8: crashed: UBSAN: shift-out-of-bounds in dbMount
run #9: crashed: UBSAN: shift-out-of-bounds in dbMount
revisions tested: 2, total time: 36m1.756771519s (build: 27m9.166359088s, test: 7m3.093451125s)
the crash still happens on HEAD
commit msg: Merge tag 'gpio-fixes-for-v6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
crash: UBSAN: shift-out-of-bounds in dbMount
loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:201:29
shift exponent -1368651876 is negative
CPU: 1 PID: 5570 Comm: syz-executor.0 Not tainted 6.2.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x12a/0x1c0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_shift_out_of_bounds+0x222/0x250 lib/ubsan.c:321
 dbMount+0x937/0x940 fs/jfs/jfs_dmap.c:201
 jfs_mount+0x197/0x690 fs/jfs/jfs_mount.c:121
 jfs_fill_super+0x53e/0xad0 fs/jfs/super.c:556
 mount_bdev+0x27a/0x370 fs/super.c:1359
 legacy_get_tree+0xe4/0x170 fs/fs_context.c:610
 vfs_get_tree+0x7b/0x220 fs/super.c:1489
 do_new_mount+0x1df/0x930 fs/namespace.c:3145
 do_mount fs/namespace.c:3488 [inline]
 __do_sys_mount fs/namespace.c:3697 [inline]
 __se_sys_mount+0x20f/0x2a0 fs/namespace.c:3674
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8c73c8bada
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8c74db5f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f8c73c8bada
RDX: 0000000020005380 RSI: 0000000020000100 RDI: 00007f8c74db5fe0
RBP: 00007f8c74db6020 R08: 00007f8c74db6020 R09: 0000000020005380
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020005380
R13: 0000000020000100 R14: 00007f8c74db5fe0 R15: 0000000020005ac0
 </TASK>
================================================================================