ci starts bisection 2023-03-08 21:57:35.357851367 +0000 UTC m=+10406.616343504
bisecting fixing commit since 41c03ba9beea760bd2d2ac9250b09a2e192da2dc
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit 41c03ba9beea760bd2d2ac9250b09a2e192da2dc

testing commit 41c03ba9beea760bd2d2ac9250b09a2e192da2dc gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 040b2811a34a700df76522b446be8675a6e025a30a56c1197e69887dad3fccbb
all runs: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
testing current HEAD 6a98c9cae232800c319ed69e1063480d31430887
testing commit 6a98c9cae232800c319ed69e1063480d31430887 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 528c6be6a872fb7d66c6009a0448bd470e1056375f75f81796ab301475e1fe9f
run #0: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #1: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #2: crashed: kernel panic: stack is corrupted in validate_chain
run #3: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #4: crashed: kernel panic: stack is corrupted in lock_is_held_type
run #5: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #6: crashed: WARNING: nested lock was not taken in filemap_get_read_batch
run #7: crashed: BUG: looking up invalid subclass: ADDR
run #8: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync
run #9: crashed: kernel panic: stack is corrupted in validate_chain
revisions tested: 2, total time: 26m17.501081822s (build: 18m5.413595851s, test: 7m39.771723126s)
the crash still happens on HEAD
commit msg: Merge tag 'fs_for_v6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
crash: kernel panic: stack is corrupted in validate_chain
loop0: detected capacity change from 0 to 4096
ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512)
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: validate_chain+0x558e/0x58e0
CPU: 1 PID: 6503 Comm: syz-executor.0 Not tainted 6.3.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <TASK>
 dump_stack_lvl+0x167/0x220
 panic+0x21f/0x540
 __stack_chk_fail+0x14/0x20
 validate_chain+0x558e/0x58e0
 __lock_acquire+0x125b/0x1f80
 lock_acquire+0x23e/0x630
 seqcount_lockdep_reader_access+0x120/0x1d0
 ktime_get_coarse_real_ts64+0x53/0xe0
 current_time+0x85/0x290
 atime_needs_update+0x227/0x490
 touch_atime+0xe2/0x500
 filemap_read+0xc16/0xd10
 generic_file_splice_read+0x23a/0x5b0
 splice_direct_to_actor+0x39c/0xa60
 do_splice_direct+0x268/0x3a0
 do_sendfile+0x4f5/0xc20
 __se_sys_sendfile64+0x143/0x190
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa35ee8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fa35fb61168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa35efabf80 RCX: 00007fa35ee8c0c9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fa35eee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 00008400fffffffa R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde78ee6df R14: 00007fa35fb61300 R15: 0000000000022000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..