gfs2: fsid=syz:syz.0: jid=0: Looking at journal... gfs2: fsid=syz:syz.0: jid=0: Done gfs2: fsid=syz:syz.0: first mount done, others may mount audit: type=1800 audit(1669468261.361:822): pid=13504 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="loop4" ino=12474 res=0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 13504 at fs/iomap.c:1828 iomap_dio_rw.cold+0x11/0x18 fs/iomap.c:1828 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 13504 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:iomap_dio_rw.cold+0x11/0x18 fs/iomap.c:1828 Code: c7 c7 c0 43 76 88 e8 e9 cf fe ff 0f 0b 49 c7 c4 fb ff ff ff e9 4f eb c8 f9 e8 6b 9e 6d f9 48 c7 c7 c0 43 76 88 e8 ca cf fe ff <0f> 0b e9 6c 03 c9 f9 e8 53 9e 6d f9 48 8d 45 10 4c 89 ea 48 c7 c7 RSP: 0018:ffff88802e0077b8 EFLAGS: 00010282 RAX: 0000000000000024 RBX: 0000000000010000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1005c00ee9 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88802e007a48 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802e007a98 gfs2_file_direct_read fs/gfs2/file.c:709 [inline] gfs2_file_read_iter+0x271/0x2e0 fs/gfs2/file.c:758 call_read_iter include/linux/fs.h:1815 [inline] generic_file_splice_read+0x44a/0x6d0 fs/splice.c:308 do_splice_to+0x10e/0x160 fs/splice.c:881 splice_direct_to_actor+0x2b9/0x8d0 fs/splice.c:959 do_splice_direct+0x1a7/0x270 fs/splice.c:1068 do_sendfile+0x550/0xc30 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64+0x147/0x160 fs/read_write.c:1494 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f73269810d9 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:00007f7324ef3168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f7326aa0f80 RCX: 00007f73269810d9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 RBP: 00007f73269dcae9 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffdffa R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff24a7afdf R14: 00007f7324ef3300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..