ci2 starts bisection 2023-06-02 02:03:49.123046295 +0000 UTC m=+18852.769953962 bisecting fixing commit since f9ff5644bcc04221bae56f922122f2b7f5d24d62 building syzkaller on 05494336991504e3c6137b89eeddd492e17af6b6 ensuring issue is reproducible on original commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 testing commit f9ff5644bcc04221bae56f922122f2b7f5d24d62 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 35314f6575e6da6c9c9091a888c93c4cdeeed28940e9cb66c6a636bcc8363979 run #0: crashed: BUG: unable to handle kernel paging request in schedule run #1: crashed: kernel panic: stack is corrupted in arch_stack_walk run #2: crashed: kernel panic: stack is corrupted in arch_stack_walk run #3: crashed: KASAN: stack-out-of-bounds Write in __unwind_start run #4: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #5: crashed: BUG: unable to handle kernel paging request in schedule run #6: crashed: BUG: unable to handle kernel paging request in schedule run #7: crashed: BUG: unable to handle kernel paging request in schedule run #8: crashed: BUG: looking up invalid subclass: ADDR run #9: crashed: BUG: unable to handle kernel paging request in schedule run #10: crashed: kernel panic: stack is corrupted in arch_stack_walk run #11: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #12: crashed: BUG: unable to handle kernel paging request in schedule run #13: crashed: BUG: unable to handle kernel paging request in ntfs_file_write_iter run #14: crashed: kernel panic: stack is corrupted in arch_stack_walk run #15: crashed: kernel panic: stack is corrupted in arch_stack_walk run #16: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #17: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #18: crashed: BUG: unable to handle kernel paging request in schedule run #19: crashed: BUG: unable to handle kernel paging request in schedule testing current HEAD 9e87b63ed37e202c77aa17d4112da6ae0c7c097c testing commit 9e87b63ed37e202c77aa17d4112da6ae0c7c097c gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: fe7877f2b771731ff91e930c4621b2f44be037b629953a85bc38d394932a1334 run #0: crashed: BUG: looking up invalid subclass: ADDR run #1: crashed: WARNING: bad unlock balance in corrupted run #2: crashed: BUG: looking up invalid subclass: ADDR run #3: crashed: kernel panic: stack is corrupted in lock_acquire run #4: crashed: kernel panic: stack is corrupted in lock_acquire run #5: crashed: kernel panic: stack is corrupted in lock_acquire run #6: crashed: kernel panic: stack is corrupted in lock_acquire run #7: crashed: kernel panic: stack is corrupted in validate_chain run #8: OK run #9: OK crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 53m2.071985699s (build: 34m58.57887112s, test: 17m24.586874844s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'fbdev-for-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev 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+0x5516/0x5870 CPU: 0 PID: 9397 Comm: syz-executor265 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 Call Trace: dump_stack_lvl+0x12e/0x1d0 panic+0x1f0/0x510 __stack_chk_fail+0x14/0x20 validate_chain+0x5516/0x5870 __lock_acquire+0x1316/0x2070 lock_acquire+0x1b9/0x4f0 seqcount_lockdep_reader_access+0x104/0x1a0 ktime_get_coarse_real_ts64+0x53/0xe0 current_time+0x77/0x280 touch_atime+0x1d4/0x4f0 filemap_read+0xc6c/0xd80 generic_file_splice_read+0x1f5/0x570 splice_direct_to_actor+0x39c/0xa60 do_splice_direct+0x26a/0x3b0 do_sendfile+0x508/0xcd0 __se_sys_sendfile64+0x10b/0x160 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f93848415a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007f93847ed318 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f93848e57a8 RCX: 00007f93848415a9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f93848e57a0 R08: 0000000000000000 R09: 0000000000000000 R10: 00008400fffffffa R11: 0000000000000246 R12: 00007f93848b2230 R13: 00007fffe0b76c1f R14: 00007f93847ed400 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..