program: pipe2$watch_queue(&(0x7f0000001140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80) r1 = add_key$keyring(&(0x7f0000000040), &(0x7f0000000080)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$KEYCTL_WATCH_KEY(0x20, r1, r0, 0xe7) add_key$user(&(0x7f0000000040), &(0x7f0000000080)={'syz', 0x1}, &(0x7f0000000200)='\f', 0x1, r1) add_key$keyring(&(0x7f0000000540), &(0x7f0000000580)={'syz', 0x3}, 0x0, 0x0, r1) syz_mount_image$btrfs(&(0x7f0000005100), &(0x7f0000005140)='./file0\x00', 0x0, &(0x7f0000005180), 0x1, 0x50ed, 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VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVhBw4EAAAAAID8Xxuhqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq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sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)}, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000240), 0x208e24b) r3 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x105042, 0x1ff) ioctl$BTRFS_IOC_BALANCE_V2(r3, 0xc4009420, &(0x7f0000000100)={0x2, 0x7, {0x3ff, @struct={0xe, 0x1}, 0x0, 0x1, 0x5c6, 0x9, 0xffffffffffffff96, 0x6bd, 0x21, @usage=0x80000001, 0x0, 0x9, [0xfffffffffffffd6e, 0x1, 0x2, 0x0, 0x6, 0x7]}, {0x7fff, @usage=0x3, 0x0, 0x3, 0xffffffff, 0xcc, 0xb, 0x4, 0x20, @usage=0x4, 0x9, 0x372f2380, [0x4, 0x10001, 0x9, 0x1d52b6d3, 0x81, 0x5]}, {0x4000000000000, @struct={0x100, 0x4}, 0x0, 0x62c, 0x6, 0x0, 0x8, 0x8, 0x342, @usage, 0xb31, 0x3, [0xffffffffffffffd1, 0xa, 0x7, 0xe9, 0x9, 0x1]}, {0x1, 0x745, 0x9}}) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000640), 0xffffffffffffffff) r6 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX_80211(r6, 0x8933, &(0x7f0000000100)={'wlan1\x00', 0x0}) r8 = openat$kvm(0xffffffffffffff9c, &(0x7f0000007a80), 0x101000, 0x0) r9 = ioctl$KVM_CREATE_VM(r8, 0xae01, 0x0) r10 = ioctl$KVM_CREATE_VCPU(r9, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r10, 0x4008ae89, &(0x7f00000000c0)={0x1, 0x0, [{0x4b564d06, 0x0, 0x5c20}]}) sendmsg$NFT_BATCH(0xffffffffffffffff, 0x0, 0x0) sendmsg$NL80211_CMD_FRAME(r4, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="98030000", @ANYRES16=r5, @ANYBLOB="010028057000fcdbdf253b00000008000300", @ANYRES32=r7, @ANYBLOB="04008e00080057001b0a000004006c000500190107000000080026006c0900005603330080b0c000ffffffffffff"], 0x398}}, 0x0) perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x0, 0x0, 0x0, 0xd, 0x0, 0x8, 0x1224a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffd, 0x0, @perf_config_ext={0x9, 0x2}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x1c0000000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$DRM_IOCTL_MODE_DIRTYFB(0xffffffffffffffff, 0xc01864b1, &(0x7f0000000080)) r11 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f0000000080)={'wlan0\x00'}) ioctl$sock_proto_private(r11, 0x8b19, &(0x7f0000000080)) syz_clone(0x91a0200, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000480)="24ab3f9fadf08a2bff49ec2208104e0c6339b39cda51a6b76683d93f1ad6a9b71cb8184fda55f020976ab9417b4afb12") r12 = syz_open_dev$sg(&(0x7f0000001600), 0x0, 0x40042) write$binfmt_aout(r12, &(0x7f0000000480)=ANY=[@ANYBLOB="0000000000000000000000800080000014000091ff0f00004500f5ff06ff00010100fc5e15f4c3d3fbd80dad000008"], 0x125) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) [ 84.545197][ T5325] syz.0.0 (5325) used greatest stack depth: 9136 bytes left [ 83.379154][ T48] Bluetooth: hci0: command tx timeout [ 83.716247][ T5325] loop0: detected capacity change from 0 to 32768 [ 83.748119][ T5325] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.0 (5325) [ 83.780886][ T5325] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 83.789835][ T5325] BTRFS info (device loop0): using crc32c (crc32c-x86_64) checksum algorithm [ 83.793294][ T5325] BTRFS info (device loop0): using free-space-tree [ 83.930510][ T24] audit: type=1800 audit(1737832110.892:2): pid=5326 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=260 res=0 errno=0 [ 83.976258][ T5326] BTRFS info (device loop0): balance: start -sconvert=raid0,soft,usage=17179869440,limit=0..0 [ 84.010698][ T5326] BTRFS info (device loop0): balance: ended with status: 0 [ 84.022586][ T46] ------------[ cut here ]------------ [ 84.024921][ T46] BTRFS: Transaction aborted (error -28) [ 84.027476][ T46] WARNING: CPU: 0 PID: 46 at fs/btrfs/block-group.c:3937 btrfs_chunk_alloc+0xf70/0x10d0 [ 84.031364][ T46] Modules linked in: [ 84.032891][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.13.0-syzkaller-07267-g405057718a1f #0 [ 84.036778][ T46] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 84.041298][ T46] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 84.044152][ T46] RIP: 0010:btrfs_chunk_alloc+0xf70/0x10d0 [ 84.046261][ T46] Code: 04 24 48 8b 38 48 c7 c6 20 03 4e 8c 89 da e8 57 27 24 fd eb 19 e8 e0 e6 bb fd 90 48 c7 c7 c0 02 4e 8c 89 de e8 91 96 7c fd 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 [ 84.053972][ T46] RSP: 0018:ffffc90000617888 EFLAGS: 00010246 [ 84.056274][ T46] RAX: e00a95c87bccbd00 RBX: ffffffffffffffe4 RCX: ffff88801d150000 [ 84.059336][ T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 84.062378][ T46] RBP: 0000000000000000 R08: ffffffff81802a82 R09: 1ffff11003f8519a [ 84.065362][ T46] R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff888052ccae3b [ 84.068390][ T46] R13: dffffc0000000000 R14: ffff888053390001 R15: ffff888052bf9000 [ 84.073465][ T46] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 84.076669][ T46] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.079167][ T46] CR2: 00007ffc47e53f58 CR3: 0000000011d0e000 CR4: 0000000000352ef0 [ 84.082909][ T46] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.085860][ T46] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.088803][ T46] Call Trace: [ 84.090142][ T46] [ 84.091203][ T46] ? __warn+0x165/0x4d0 [ 84.092730][ T46] ? btrfs_chunk_alloc+0xf70/0x10d0 [ 84.094676][ T46] ? report_bug+0x2b3/0x500 [ 84.096424][ T46] ? btrfs_chunk_alloc+0xf70/0x10d0 [ 84.098379][ T46] ? handle_bug+0x60/0x90 [ 84.100163][ T46] ? exc_invalid_op+0x1a/0x50 [ 84.101885][ T46] ? asm_exc_invalid_op+0x1a/0x20 [ 84.103712][ T46] ? __warn_printk+0x292/0x360 [ 84.105440][ T46] ? btrfs_chunk_alloc+0xf70/0x10d0 [ 84.107394][ T46] ? btrfs_chunk_alloc+0xf6f/0x10d0 [ 84.109880][ T46] flush_space+0x386/0xd30 [ 84.111936][ T46] ? __pfx_lock_acquire+0x10/0x10 [ 84.114275][ T46] ? btrfs_async_reclaim_metadata_space+0x300/0x3b0 [ 84.117180][ T46] ? __pfx_lock_release+0x10/0x10 [ 84.119950][ T46] ? do_raw_spin_lock+0x14f/0x370 [ 84.122434][ T46] ? __pfx_flush_space+0x10/0x10 [ 84.124778][ T46] ? do_raw_spin_unlock+0x58/0x8b0 [ 84.127253][ T46] ? btrfs_calc_reclaim_metadata_size+0xbc/0x220 [ 84.130494][ T46] btrfs_async_reclaim_metadata_space+0x178/0x3b0 [ 84.132838][ T46] ? process_scheduled_works+0x976/0x1840 [ 84.135414][ T46] process_scheduled_works+0xa66/0x1840 [ 84.137517][ T46] ? __pfx_process_scheduled_works+0x10/0x10 [ 84.139805][ T46] ? assign_work+0x364/0x3d0 [ 84.141539][ T46] worker_thread+0x870/0xd30 [ 84.143320][ T46] ? __kthread_parkme+0x169/0x1d0 [ 84.145218][ T46] ? __pfx_worker_thread+0x10/0x10 [ 84.147127][ T46] kthread+0x7a9/0x920 [ 84.148678][ T46] ? __pfx_kthread+0x10/0x10 [ 84.150516][ T46] ? __pfx_worker_thread+0x10/0x10 [ 84.152443][ T46] ? __pfx_kthread+0x10/0x10 [ 84.154107][ T46] ? __pfx_kthread+0x10/0x10 [ 84.155815][ T46] ? __pfx_kthread+0x10/0x10 [ 84.157516][ T46] ? _raw_spin_unlock_irq+0x23/0x50 [ 84.159555][ T46] ? lockdep_hardirqs_on+0x99/0x150 [ 84.161528][ T46] ? __pfx_kthread+0x10/0x10 [ 84.163312][ T46] ret_from_fork+0x4b/0x80 [ 84.165100][ T46] ? __pfx_kthread+0x10/0x10 [ 84.166662][ T46] ret_from_fork_asm+0x1a/0x30 [ 84.168417][ T46] [ 84.169678][ T46] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 84.172235][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.13.0-syzkaller-07267-g405057718a1f #0 [ 84.175852][ T46] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 84.179839][ T46] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 84.182721][ T46] Call Trace: [ 84.183952][ T46] [ 84.185170][ T46] dump_stack_lvl+0x241/0x360 [ 84.187010][ T46] ? __pfx_dump_stack_lvl+0x10/0x10 [ 84.188902][ T46] ? __pfx__printk+0x10/0x10 [ 84.190638][ T46] ? _printk+0xd5/0x120 [ 84.192196][ T46] ? __init_begin+0x41000/0x41000 [ 84.194003][ T46] ? vscnprintf+0x5d/0x90 [ 84.195632][ T46] panic+0x349/0x880 [ 84.197212][ T46] ? __warn+0x174/0x4d0 [ 84.198770][ T46] ? __pfx_panic+0x10/0x10 [ 84.200600][ T46] ? ret_from_fork_asm+0x1a/0x30 [ 84.202583][ T46] __warn+0x344/0x4d0 [ 84.204393][ T46] ? btrfs_chunk_alloc+0xf70/0x10d0 [ 84.206499][ T46] report_bug+0x2b3/0x500 [ 84.208146][ T46] ? btrfs_chunk_alloc+0xf70/0x10d0 [ 84.210112][ T46] handle_bug+0x60/0x90 [ 84.211702][ T46] exc_invalid_op+0x1a/0x50 [ 84.213385][ T46] asm_exc_invalid_op+0x1a/0x20 [ 84.215181][ T46] RIP: 0010:btrfs_chunk_alloc+0xf70/0x10d0 [ 84.217423][ T46] Code: 04 24 48 8b 38 48 c7 c6 20 03 4e 8c 89 da e8 57 27 24 fd eb 19 e8 e0 e6 bb fd 90 48 c7 c7 c0 02 4e 8c 89 de e8 91 96 7c fd 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 [ 84.224482][ T46] RSP: 0018:ffffc90000617888 EFLAGS: 00010246 [ 84.226778][ T46] RAX: e00a95c87bccbd00 RBX: ffffffffffffffe4 RCX: ffff88801d150000 [ 84.230135][ T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 84.232850][ T46] RBP: 0000000000000000 R08: ffffffff81802a82 R09: 1ffff11003f8519a [ 84.235819][ T46] R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffff888052ccae3b [ 84.238756][ T46] R13: dffffc0000000000 R14: ffff888053390001 R15: ffff888052bf9000 [ 84.241758][ T46] ? __warn_printk+0x292/0x360 [ 84.243634][ T46] ? btrfs_chunk_alloc+0xf6f/0x10d0 [ 84.245497][ T46] flush_space+0x386/0xd30 [ 84.247204][ T46] ? __pfx_lock_acquire+0x10/0x10 [ 84.249155][ T46] ? btrfs_async_reclaim_metadata_space+0x300/0x3b0 [ 84.251818][ T46] ? __pfx_lock_release+0x10/0x10 [ 84.253713][ T46] ? do_raw_spin_lock+0x14f/0x370 [ 84.255544][ T46] ? __pfx_flush_space+0x10/0x10 [ 84.257342][ T46] ? do_raw_spin_unlock+0x58/0x8b0 [ 84.259192][ T46] ? btrfs_calc_reclaim_metadata_size+0xbc/0x220 [ 84.261464][ T46] btrfs_async_reclaim_metadata_space+0x178/0x3b0 [ 84.263706][ T46] ? process_scheduled_works+0x976/0x1840 [ 84.265793][ T46] process_scheduled_works+0xa66/0x1840 [ 84.267714][ T46] ? __pfx_process_scheduled_works+0x10/0x10 [ 84.269800][ T46] ? assign_work+0x364/0x3d0 [ 84.271608][ T46] worker_thread+0x870/0xd30 [ 84.273374][ T46] ? __kthread_parkme+0x169/0x1d0 [ 84.275285][ T46] ? __pfx_worker_thread+0x10/0x10 [ 84.277256][ T46] kthread+0x7a9/0x920 [ 84.278715][ T46] ? __pfx_kthread+0x10/0x10 [ 84.280595][ T46] ? __pfx_worker_thread+0x10/0x10 [ 84.282596][ T46] ? __pfx_kthread+0x10/0x10 [ 84.284249][ T46] ? __pfx_kthread+0x10/0x10 [ 84.285982][ T46] ? __pfx_kthread+0x10/0x10 [ 84.287741][ T46] ? _raw_spin_unlock_irq+0x23/0x50 [ 84.289610][ T46] ? lockdep_hardirqs_on+0x99/0x150 [ 84.291506][ T46] ? __pfx_kthread+0x10/0x10 [ 84.293279][ T46] ret_from_fork+0x4b/0x80 [ 84.295049][ T46] ? __pfx_kthread+0x10/0x10 [ 84.296723][ T46] ret_from_fork_asm+0x1a/0x30 [ 84.298592][ T46] [ 84.299852][ T46] Kernel Offset: disabled [ 84.301592][ T46] Rebooting in 86400 seconds..