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qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqwg4cCAAAAAAA+b82QlVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV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r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$smc(&(0x7f0000000340), 0xffffffffffffffff) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$smc(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$SMC_PNETID_ADD(r3, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r4, 0x1, 0x70bd29, 0x25dfdbfe, {}, [@SMC_PNETID_NAME={0x9, 0x1, 'syz1\x00'}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'pim6reg0\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x10}, 0x0) sendmsg$SMC_PNETID_ADD(r1, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)={0x34, r2, 0x1, 0x70bd29, 0x25dfdbfe, {}, [@SMC_PNETID_NAME={0x9, 0x1, 'syz1\x00'}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'pim6reg0\x00'}]}, 0x34}, 0x1, 0x0, 0x0, 0x10}, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./file1\x00', 0x0, 0x0) ioctl$FITRIM(r5, 0xc4009420, &(0x7f0000000180)={0x5}) chdir(&(0x7f0000000080)='./file0\x00') ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, &(0x7f0000002480)={{r0}, 0x0, 0x0, @unused=[0x0, 0x0, 0x0, 0x4], @subvolid=0x3}) (fail_nth: 21) openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x202802, 0x0) creat(&(0x7f0000000000)='./bus\x00', 0x0) [ 58.666808][ T48] Bluetooth: hci0: command tx timeout [ 58.790273][ T5322] loop0: detected capacity change from 0 to 32768 [ 58.800816][ T5322] btrfs: Deprecated parameter 'usebackuproot' [ 58.805897][ T5322] BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 58.822899][ T5322] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5322) [ 58.842398][ T5322] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 58.855889][ T5322] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [ 58.865849][ T5322] BTRFS info (device loop0): disk space caching is enabled [ 58.868545][ T5322] BTRFS warning (device loop0): space cache v1 is being deprecated and will be removed in a future release, please use -o space_cache=v2 [ 58.961810][ T5322] BTRFS info (device loop0): rebuilding free space tree [ 58.984688][ T5322] BTRFS info (device loop0): disabling free space tree [ 58.988636][ T5322] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.003661][ T5322] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.046603][ T5322] BTRFS info (device loop0): balance: start -d -m [ 59.052882][ T5322] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 59.075734][ T5322] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 59.093266][ T5323] FAULT_INJECTION: forcing a failure. [ 59.093266][ T5323] name failslab, interval 1, probability 0, space 0, times 1 [ 59.099706][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 [ 59.103778][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 59.107797][ T5323] Call Trace: [ 59.109034][ T5323] [ 59.110184][ T5323] dump_stack_lvl+0x241/0x360 [ 59.112101][ T5323] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.114095][ T5323] ? __pfx__printk+0x10/0x10 [ 59.115806][ T5323] ? fs_reclaim_acquire+0x93/0x130 [ 59.117730][ T5323] ? __pfx___might_resched+0x10/0x10 [ 59.119766][ T5323] should_fail_ex+0x3b0/0x4e0 [ 59.121604][ T5323] ? __btrfs_inc_extent_ref+0x1e9/0x790 [ 59.123707][ T5323] should_failslab+0xac/0x100 [ 59.125563][ T5323] ? __btrfs_inc_extent_ref+0x1e9/0x790 [ 59.127572][ T5323] kmem_cache_alloc_noprof+0x6c/0x2a0 [ 59.129477][ T5323] __btrfs_inc_extent_ref+0x1e9/0x790 [ 59.131355][ T5323] ? do_raw_read_unlock+0x3c/0x80 [ 59.133075][ T5323] ? __pfx___btrfs_inc_extent_ref+0x10/0x10 [ 59.135042][ T5323] ? do_raw_spin_unlock+0x58/0x8b0 [ 59.137004][ T5323] __btrfs_run_delayed_refs+0x11a0/0x4680 [ 59.138843][ T5323] ? __pfx_validate_chain+0x10/0x10 [ 59.140797][ T5323] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 59.143024][ T5323] ? __pfx___btrfs_run_delayed_refs+0x10/0x10 [ 59.145290][ T5323] ? __pfx_lock_acquire+0x10/0x10 [ 59.147144][ T5323] btrfs_run_delayed_refs+0xe3/0x2c0 [ 59.149083][ T5323] btrfs_commit_transaction+0x4be/0x3740 [ 59.151065][ T5323] ? btrfs_record_root_in_trans+0x16e/0x190 [ 59.153310][ T5323] ? btrfs_commit_transaction+0x17f/0x3740 [ 59.155766][ T5323] ? do_raw_spin_unlock+0x58/0x8b0 [ 59.157749][ T5323] ? __mutex_lock+0x9ab/0xd70 [ 59.159459][ T5323] ? __mutex_unlock_slowpath+0x21d/0x750 [ 59.161683][ T5323] ? __pfx_btrfs_commit_transaction+0x10/0x10 [ 59.163888][ T5323] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 59.166006][ T5323] ? record_root_in_trans+0x111/0x360 [ 59.167911][ T5323] ? join_transaction+0x405/0xd70 [ 59.169725][ T5323] ? btrfs_qgroup_convert_reserved_meta+0xf2/0xdc0 [ 59.171767][ T5323] ? btrfs_record_root_in_trans+0x16e/0x190 [ 59.173777][ T5323] ? start_transaction+0x455/0x1670 [ 59.175618][ T5323] ? __pfx_btrfs_qgroup_convert_reserved_meta+0x10/0x10 [ 59.178150][ T5323] ? btrfs_record_root_in_trans+0x12d/0x190 [ 59.180360][ T5323] create_snapshot+0x655/0x990 [ 59.182199][ T5323] btrfs_mksubvol+0x58f/0x710 [ 59.183774][ T5323] ? __pfx_btrfs_mksubvol+0x10/0x10 [ 59.185816][ T5323] ? __fget_files+0x29/0x470 [ 59.187566][ T5323] ? __fget_files+0x29/0x470 [ 59.189202][ T5323] btrfs_mksnapshot+0xae/0xf0 [ 59.190913][ T5323] __btrfs_ioctl_snap_create+0x381/0x4b0 [ 59.192941][ T5323] btrfs_ioctl_snap_create_v2+0x1ef/0x390 [ 59.195118][ T5323] btrfs_ioctl+0x9cc/0xca0 [ 59.196728][ T5323] ? __pfx_btrfs_ioctl+0x10/0x10 [ 59.198557][ T5323] __se_sys_ioctl+0xf9/0x170 [ 59.200339][ T5323] do_syscall_64+0xf3/0x230 [ 59.201933][ T5323] ? clear_bhb_loop+0x35/0x90 [ 59.203826][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.206214][ T5323] RIP: 0033:0x7f42bb17e719 [ 59.208120][ T5323] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 59.215537][ T5323] RSP: 002b:00007f42babfe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.218468][ T5323] RAX: ffffffffffffffda RBX: 00007f42bb336058 RCX: 00007f42bb17e719 [ 59.221311][ T5323] RDX: 0000000020002480 RSI: 0000000050009417 RDI: 0000000000000004 [ 59.224157][ T5323] RBP: 00007f42babfe090 R08: 0000000000000000 R09: 0000000000000000 [ 59.227113][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 59.230118][ T5323] R13: 0000000000000000 R14: 00007f42bb336058 R15: 00007ffdd4424258 [ 59.233322][ T5323] [ 59.244487][ T5323] BTRFS error (device loop0): failed to run delayed ref for logical 5308416 num_bytes 4096 type 182 action 1 ref_mod 1: -12 [ 59.263217][ T5340] ------------[ cut here ]------------ [ 59.266014][ T5340] WARNING: CPU: 0 PID: 5340 at fs/btrfs/extent-tree.c:212 btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.270433][ T5340] Modules linked in: [ 59.271891][ T5340] CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 [ 59.276152][ T5340] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 59.280699][ T5340] RIP: 0010:btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.283306][ T5340] Code: 8b ff ff ff 48 8b 7c 24 70 48 c7 c6 2c 9c 13 8e ba ac 00 00 00 b9 8b ff ff ff e8 aa 76 14 08 e9 62 fd ff ff e8 a0 b1 e4 fd 90 <0f> 0b 90 e9 ba fc ff ff 44 89 f1 80 e1 07 38 c1 0f 8c da f0 ff ff [ 59.290748][ T5340] RSP: 0018:ffffc9000d386aa0 EFLAGS: 00010293 [ 59.293092][ T5340] RAX: ffffffff83b028c0 RBX: ffffc9000d386ce0 RCX: ffff888000192440 [ 59.296198][ T5340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.299084][ T5340] RBP: ffffc9000d386c40 R08: ffffffff83b02575 R09: 1ffff1100864306e [ 59.302183][ T5340] R10: dffffc0000000000 R11: ffffed100864306f R12: ffff88803ead443c [ 59.305201][ T5340] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888043218370 [ 59.308146][ T5340] FS: 00007f42babdd6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 59.311476][ T5340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.314024][ T5340] CR2: 00007f42babdcf98 CR3: 0000000043b68000 CR4: 0000000000352ef0 [ 59.316989][ T5340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.319728][ T5340] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.322444][ T5340] Call Trace: [ 59.323631][ T5340] [ 59.324738][ T5340] ? __warn+0x168/0x4e0 [ 59.326429][ T5340] ? btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.328859][ T5340] ? report_bug+0x2b3/0x500 [ 59.330627][ T5340] ? btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.332862][ T5340] ? handle_bug+0x60/0x90 [ 59.334489][ T5340] ? exc_invalid_op+0x1a/0x50 [ 59.336583][ T5340] ? asm_exc_invalid_op+0x1a/0x20 [ 59.338466][ T5340] ? btrfs_lookup_extent_info+0xcc5/0x11d0 [ 59.340648][ T5340] ? btrfs_lookup_extent_info+0x1010/0x11d0 [ 59.342972][ T5340] ? btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.345478][ T5340] ? __pfx_btrfs_lookup_extent_info+0x10/0x10 [ 59.347840][ T5340] update_ref_for_cow+0x5a4/0x11f0 [ 59.349823][ T5340] ? __pfx_update_ref_for_cow+0x10/0x10 [ 59.351958][ T5340] ? __asan_memcpy+0x40/0x70 [ 59.353781][ T5340] ? __write_extent_buffer+0x1f2/0x540 [ 59.355966][ T5340] btrfs_force_cow_block+0x9f6/0x1da0 [ 59.358108][ T5340] ? __pfx_btrfs_force_cow_block+0x10/0x10 [ 59.360380][ T5340] ? btrfs_qgroup_add_swapped_blocks+0x990/0x990 [ 59.362674][ T5340] ? read_block_for_search+0x6be/0x920 [ 59.364622][ T5340] btrfs_cow_block+0x35e/0xa40 [ 59.366479][ T5340] btrfs_search_slot+0xbdd/0x30d0 [ 59.368328][ T5340] ? __pfx_btrfs_search_slot+0x10/0x10 [ 59.370444][ T5340] btrfs_insert_empty_items+0x9c/0x1a0 [ 59.372488][ T5340] insert_with_overflow+0x153/0x400 [ 59.374346][ T5340] ? __pfx_insert_with_overflow+0x10/0x10 [ 59.376583][ T5340] ? btrfs_insert_dir_item+0x1c1/0x640 [ 59.378648][ T5340] ? rcu_is_watching+0x15/0xb0 [ 59.380464][ T5340] ? btrfs_insert_dir_item+0x1eb/0x640 [ 59.382420][ T5340] btrfs_insert_dir_item+0x241/0x640 [ 59.384263][ T5340] ? __pfx_btrfs_insert_dir_item+0x10/0x10 [ 59.386552][ T5340] ? lock_downgrade+0x8b0/0x900 [ 59.388300][ T5340] ? btrfs_update_root_times+0x1b6/0x2d0 [ 59.390429][ T5340] ? __pfx_lock_release+0x10/0x10 [ 59.392395][ T5340] ? do_raw_spin_lock+0x14f/0x370 [ 59.394345][ T5340] btrfs_add_link+0x284/0xbe0 [ 59.396281][ T5340] ? __pfx_btrfs_add_link+0x10/0x10 [ 59.398257][ T5340] ? btrfs_update_root_times+0x1b6/0x2d0 [ 59.400390][ T5340] ? __pfx_btrfs_update_root_times+0x10/0x10 [ 59.403010][ T5340] btrfs_create_new_inode+0x141d/0x1f70 [ 59.405520][ T5340] ? __pfx_btrfs_create_new_inode+0x10/0x10 [ 59.407856][ T5340] ? btrfs_record_root_in_trans+0x12d/0x190 [ 59.410247][ T5340] ? start_transaction+0x3ee/0x1670 [ 59.412147][ T5340] btrfs_create_common+0x1d4/0x2e0 [ 59.414235][ T5340] ? __pfx_btrfs_create_common+0x10/0x10 [ 59.416469][ T5340] ? do_raw_spin_unlock+0x58/0x8b0 [ 59.418462][ T5340] ? btrfs_create+0x75/0x140 [ 59.420241][ T5340] ? __pfx_btrfs_create+0x10/0x10 [ 59.422052][ T5340] path_openat+0x1c03/0x3590 [ 59.423755][ T5340] ? __pfx_path_openat+0x10/0x10 [ 59.425737][ T5340] do_filp_open+0x235/0x490 [ 59.427438][ T5340] ? __pfx_do_filp_open+0x10/0x10 [ 59.429394][ T5340] ? _raw_spin_unlock+0x28/0x50 [ 59.431542][ T5340] ? alloc_fd+0x5a1/0x640 [ 59.433178][ T5340] do_sys_openat2+0x13e/0x1d0 [ 59.435187][ T5340] ? __pfx_do_sys_openat2+0x10/0x10 [ 59.437250][ T5340] ? __rseq_handle_notify_resume+0x34d/0x14d0 [ 59.439557][ T5340] __x64_sys_creat+0x123/0x170 [ 59.441429][ T5340] ? __pfx___x64_sys_creat+0x10/0x10 [ 59.443496][ T5340] ? do_syscall_64+0x100/0x230 [ 59.445524][ T5340] ? do_syscall_64+0xb6/0x230 [ 59.447427][ T5340] do_syscall_64+0xf3/0x230 [ 59.448903][ T5340] ? clear_bhb_loop+0x35/0x90 [ 59.450699][ T5340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.452913][ T5340] RIP: 0033:0x7f42bb17e719 [ 59.454742][ T5340] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 59.461939][ T5340] RSP: 002b:00007f42babdd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 59.466628][ T5340] RAX: ffffffffffffffda RBX: 00007f42bb336130 RCX: 00007f42bb17e719 [ 59.470029][ T5340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 [ 59.473012][ T5340] RBP: 00007f42bb1f139e R08: 0000000000000000 R09: 0000000000000000 [ 59.476258][ T5340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.479284][ T5340] R13: 0000000000000000 R14: 00007f42bb336130 R15: 00007ffdd4424258 [ 59.482161][ T5340] [ 59.483330][ T5340] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.486083][ T5340] CPU: 0 UID: 0 PID: 5340 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 [ 59.490021][ T5340] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 59.493814][ T5340] Call Trace: [ 59.495078][ T5340] [ 59.496177][ T5340] dump_stack_lvl+0x241/0x360 [ 59.498018][ T5340] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.499982][ T5340] ? __pfx__printk+0x10/0x10 [ 59.501688][ T5340] ? vscnprintf+0x5d/0x90 [ 59.503336][ T5340] panic+0x349/0x880 [ 59.504898][ T5340] ? __warn+0x177/0x4e0 [ 59.506542][ T5340] ? __pfx_panic+0x10/0x10 [ 59.508217][ T5340] __warn+0x34b/0x4e0 [ 59.509614][ T5340] ? btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.511875][ T5340] report_bug+0x2b3/0x500 [ 59.513500][ T5340] ? btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.515743][ T5340] handle_bug+0x60/0x90 [ 59.517360][ T5340] exc_invalid_op+0x1a/0x50 [ 59.518927][ T5340] asm_exc_invalid_op+0x1a/0x20 [ 59.520719][ T5340] RIP: 0010:btrfs_lookup_extent_info+0x1011/0x11d0 [ 59.523235][ T5340] Code: 8b ff ff ff 48 8b 7c 24 70 48 c7 c6 2c 9c 13 8e ba ac 00 00 00 b9 8b ff ff ff e8 aa 76 14 08 e9 62 fd ff ff e8 a0 b1 e4 fd 90 <0f> 0b 90 e9 ba fc ff ff 44 89 f1 80 e1 07 38 c1 0f 8c da f0 ff ff [ 59.530287][ T5340] RSP: 0018:ffffc9000d386aa0 EFLAGS: 00010293 [ 59.532618][ T5340] RAX: ffffffff83b028c0 RBX: ffffc9000d386ce0 RCX: ffff888000192440 [ 59.535582][ T5340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 59.538501][ T5340] RBP: ffffc9000d386c40 R08: ffffffff83b02575 R09: 1ffff1100864306e [ 59.541628][ T5340] R10: dffffc0000000000 R11: ffffed100864306f R12: ffff88803ead443c [ 59.544918][ T5340] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888043218370 [ 59.547941][ T5340] ? btrfs_lookup_extent_info+0xcc5/0x11d0 [ 59.550138][ T5340] ? btrfs_lookup_extent_info+0x1010/0x11d0 [ 59.552256][ T5340] ? __pfx_btrfs_lookup_extent_info+0x10/0x10 [ 59.554512][ T5340] update_ref_for_cow+0x5a4/0x11f0 [ 59.556385][ T5340] ? __pfx_update_ref_for_cow+0x10/0x10 [ 59.558310][ T5340] ? __asan_memcpy+0x40/0x70 [ 59.559922][ T5340] ? __write_extent_buffer+0x1f2/0x540 [ 59.561807][ T5340] btrfs_force_cow_block+0x9f6/0x1da0 [ 59.563842][ T5340] ? __pfx_btrfs_force_cow_block+0x10/0x10 [ 59.566053][ T5340] ? btrfs_qgroup_add_swapped_blocks+0x990/0x990 [ 59.568318][ T5340] ? read_block_for_search+0x6be/0x920 [ 59.570264][ T5340] btrfs_cow_block+0x35e/0xa40 [ 59.572073][ T5340] btrfs_search_slot+0xbdd/0x30d0 [ 59.573823][ T5340] ? __pfx_btrfs_search_slot+0x10/0x10 [ 59.575720][ T5340] btrfs_insert_empty_items+0x9c/0x1a0 [ 59.577724][ T5340] insert_with_overflow+0x153/0x400 [ 59.579688][ T5340] ? __pfx_insert_with_overflow+0x10/0x10 [ 59.581807][ T5340] ? btrfs_insert_dir_item+0x1c1/0x640 [ 59.583737][ T5340] ? rcu_is_watching+0x15/0xb0 [ 59.585363][ T5340] ? btrfs_insert_dir_item+0x1eb/0x640 [ 59.587071][ T5340] btrfs_insert_dir_item+0x241/0x640 [ 59.589052][ T5340] ? __pfx_btrfs_insert_dir_item+0x10/0x10 [ 59.591171][ T5340] ? lock_downgrade+0x8b0/0x900 [ 59.592735][ T5340] ? btrfs_update_root_times+0x1b6/0x2d0 [ 59.594608][ T5340] ? __pfx_lock_release+0x10/0x10 [ 59.596649][ T5340] ? do_raw_spin_lock+0x14f/0x370 [ 59.598416][ T5340] btrfs_add_link+0x284/0xbe0 [ 59.600257][ T5340] ? __pfx_btrfs_add_link+0x10/0x10 [ 59.602325][ T5340] ? btrfs_update_root_times+0x1b6/0x2d0 [ 59.604594][ T5340] ? __pfx_btrfs_update_root_times+0x10/0x10 [ 59.606878][ T5340] btrfs_create_new_inode+0x141d/0x1f70 [ 59.608775][ T5340] ? __pfx_btrfs_create_new_inode+0x10/0x10 [ 59.610979][ T5340] ? btrfs_record_root_in_trans+0x12d/0x190 [ 59.613258][ T5340] ? start_transaction+0x3ee/0x1670 [ 59.615213][ T5340] btrfs_create_common+0x1d4/0x2e0 [ 59.617282][ T5340] ? __pfx_btrfs_create_common+0x10/0x10 [ 59.619569][ T5340] ? do_raw_spin_unlock+0x58/0x8b0 [ 59.624130][ T5340] ? btrfs_create+0x75/0x140 [ 59.626224][ T5340] ? __pfx_btrfs_create+0x10/0x10 [ 59.628583][ T5340] path_openat+0x1c03/0x3590 [ 59.630782][ T5340] ? __pfx_path_openat+0x10/0x10 [ 59.632834][ T5340] do_filp_open+0x235/0x490 [ 59.634599][ T5340] ? __pfx_do_filp_open+0x10/0x10 [ 59.636538][ T5340] ? _raw_spin_unlock+0x28/0x50 [ 59.638426][ T5340] ? alloc_fd+0x5a1/0x640 [ 59.640066][ T5340] do_sys_openat2+0x13e/0x1d0 [ 59.641889][ T5340] ? __pfx_do_sys_openat2+0x10/0x10 [ 59.643865][ T5340] ? __rseq_handle_notify_resume+0x34d/0x14d0 [ 59.646264][ T5340] __x64_sys_creat+0x123/0x170 [ 59.648074][ T5340] ? __pfx___x64_sys_creat+0x10/0x10 [ 59.650052][ T5340] ? do_syscall_64+0x100/0x230 [ 59.651928][ T5340] ? do_syscall_64+0xb6/0x230 [ 59.653727][ T5340] do_syscall_64+0xf3/0x230 [ 59.655498][ T5340] ? clear_bhb_loop+0x35/0x90 [ 59.657292][ T5340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.659479][ T5340] RIP: 0033:0x7f42bb17e719 [ 59.661106][ T5340] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 59.667848][ T5340] RSP: 002b:00007f42babdd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 59.670811][ T5340] RAX: ffffffffffffffda RBX: 00007f42bb336130 RCX: 00007f42bb17e719 [ 59.673653][ T5340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 [ 59.676329][ T5340] RBP: 00007f42bb1f139e R08: 0000000000000000 R09: 0000000000000000 [ 59.679316][ T5340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.682224][ T5340] R13: 0000000000000000 R14: 00007f42bb336130 R15: 00007ffdd4424258 [ 59.685130][ T5340] [ 59.686634][ T5340] Kernel Offset: disabled [ 59.688383][ T5340] Rebooting in 86400 seconds..