[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 46.410173] WARNING: CPU: 1 PID: 8131 at fs/ext4/inode.c:3942 ext4_set_page_dirty+0x2a4/0x370 [ 46.418965] Kernel panic - not syncing: panic_on_warn set ... [ 46.418965] [ 46.426322] CPU: 1 PID: 8131 Comm: syz-executor780 Not tainted 4.19.211-syzkaller #0 [ 46.434185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.443526] Call Trace: [ 46.446106] dump_stack+0x1fc/0x2ef [ 46.449729] panic+0x26a/0x50e [ 46.452911] ? __warn_printk+0xf3/0xf3 [ 46.456793] ? ext4_set_page_dirty+0x2a4/0x370 [ 46.461365] ? __probe_kernel_read+0x130/0x1b0 [ 46.465934] ? __warn.cold+0x5/0x5a [ 46.469571] ? __warn+0xe4/0x200 [ 46.473015] ? ext4_set_page_dirty+0x2a4/0x370 [ 46.477585] __warn.cold+0x20/0x5a [ 46.481114] ? ext4_set_page_dirty+0x2a4/0x370 [ 46.485684] report_bug+0x262/0x2b0 [ 46.489306] do_error_trap+0x1d7/0x310 [ 46.493192] ? math_error+0x310/0x310 [ 46.496987] ? reacquire_held_locks+0xb5/0x430 [ 46.501559] ? error_entry+0x72/0xd0 [ 46.505265] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.510272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.515106] invalid_op+0x14/0x20 [ 46.518551] RIP: 0010:ext4_set_page_dirty+0x2a4/0x370 [ 46.523987] Code: ff e8 40 0f 84 ff 49 8d 5d ff e9 27 fe ff ff e8 32 0f 84 ff 48 c7 c6 e0 54 7a 88 48 89 ef e8 e3 a0 ab ff 0f 0b e8 1c 0f 84 ff <0f> 0b e9 77 ff ff ff e8 10 0f 84 ff 4c 8b 65 08 31 ff 4c 89 e3 83 [ 46.542872] RSP: 0018:ffff8880953b7c10 EFLAGS: 00010293 [ 46.548222] RAX: ffff8880b15dc500 RBX: 0000000000000000 RCX: ffffffff81de75ce [ 46.555477] RDX: 0000000000000000 RSI: ffffffff81de7654 RDI: 0000000000000001 [ 46.562731] RBP: ffffea00022f0cc0 R08: 0000000000000001 R09: 0000000000000000 [ 46.569985] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 46.577240] R13: ffff88813be824e0 R14: ffff88813be824e0 R15: 000000000000000a [ 46.584603] ? ext4_set_page_dirty+0x21e/0x370 [ 46.589173] ? ext4_set_page_dirty+0x2a4/0x370 [ 46.593751] ? ext4_readpages+0x110/0x110 [ 46.597886] set_page_dirty+0x25f/0x640 [ 46.601850] set_page_dirty_lock+0x81/0xc0 [ 46.606072] xdp_umem_unpin_pages+0x10a/0x3a0 [ 46.610556] xdp_umem_create+0xb60/0xea0 [ 46.614608] xsk_setsockopt+0x491/0x5a0 [ 46.618572] ? xsk_sendmsg+0xfa0/0xfa0 [ 46.622448] ? aa_af_perm+0x230/0x230 [ 46.626251] __sys_setsockopt+0x14d/0x240 [ 46.630388] ? kernel_accept+0x310/0x310 [ 46.634434] ? up_read+0x17/0x110 [ 46.637880] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 46.643233] __x64_sys_setsockopt+0xba/0x150 [ 46.647631] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.652198] do_syscall_64+0xf9/0x620 [ 46.655988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.661170] RIP: 0033:0x7fd318e88db9 [ 46.664871] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 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 [ 46.683755] RSP: 002b:00007fd318df82f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 46.691447] RAX: ffffffffffffffda RBX: 00007fd318f11508 RCX: 00007fd318e88db9 [ 46.698701] RDX: 0000000000000004 RSI: 000000000000011b RDI: 0000000000000006 [ 46.705953] RBP: 00007fd318f11500 R08: 0000000000200d6f R09: 0000000000000000 [ 46.713213] R10: 0000000020000040 R11: 0000000000000246 R12: 00007fd318f1150c [ 46.720472] R13: 00007fd318ede07c R14: 652e79726f6d656d R15: 0000000000022000 [ 46.727965] Kernel Offset: disabled [ 46.731630] Rebooting in 86400 seconds..