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: 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 Kernel Offset: disabled Rebooting in 86400 seconds..