ci2 starts bisection 2023-02-20 07:08:14.069170912 +0000 UTC m=+118260.140290821
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 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 231ddff8392c7c26d3213c24f0f10f7e1761c48a647cfa8786a423152ed17b8e
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
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 c9c3395d5e3dcc6daee66c6908354d47bf98cb0c
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3677aeef2deb5fbc70492bcc43b112734e94cafcda97a01fe3f8a1f9f07405bd
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
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: 43m9.784817357s (build: 34m44.551885847s, test: 6m30.068732656s)
the crash still happens on HEAD
commit msg: Linux 6.2
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: 5568 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x12e/0x1d0
 __ubsan_handle_shift_out_of_bounds+0x223/0x250
 dbMount+0x944/0x950
 jfs_mount+0x19b/0x680
 jfs_fill_super+0x54a/0xae0
 mount_bdev+0x27f/0x370
 legacy_get_tree+0xe9/0x170
 vfs_get_tree+0x7f/0x220
 do_new_mount+0x1e5/0x940
 __se_sys_mount+0x20d/0x2a0
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff40ec8bada
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:00007ff40fdd3f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007ff40ec8bada
RDX: 0000000020005380 RSI: 0000000020000100 RDI: 00007ff40fdd3fe0
RBP: 00007ff40fdd4020 R08: 00007ff40fdd4020 R09: 0000000020005380
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020005380
R13: 0000000020000100 R14: 00007ff40fdd3fe0 R15: 0000000020005ac0
 </TASK>
================================================================================