loop2: detected capacity change from 0 to 512 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10495 at fs/ext4/mballoc.c:1869 mb_find_extent+0x3dc/0x4a8 Modules linked in: CPU: 1 PID: 10495 Comm: syz-executor.2 Not tainted 6.2.0-rc6-syzkaller-17549-gca72d58361ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mb_find_extent+0x3dc/0x4a8 lr : mb_find_extent+0x3dc/0x4a8 sp : ffff80001f922f20 x29: ffff80001f922f70 x28: ffff80001f922ff8 x27: ffff80001f9230c8 x26: 0000000000000029 x25: 000000000000000c x24: 0000000000000000 x23: 000000000000002c x22: 000000000000002c x21: 0000000000000200 x20: 0000000000008000 x19: ffff0000f02b7000 x18: 000000000000bc6b x17: ffff80000dd84158 x16: 0000000000000001 x15: 0000000000000000 x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000040000 x11: 000000000003817b x10: ffff80001aa99000 x9 : ffff8000087dd264 x8 : 000000000003817c x7 : ffff8000087da424 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001f922ff8 x2 : 0000000000000200 x1 : 000000000000002c x0 : 0000000000000029 Call trace: mb_find_extent+0x3dc/0x4a8 ext4_mb_complex_scan_group+0xf0/0x570 ext4_mb_regular_allocator+0xb44/0x1654 ext4_mb_new_blocks+0x5f8/0x1f80 ext4_ext_map_blocks+0xb44/0x2b34 ext4_map_blocks+0x48c/0xaa0 ext4_getblk+0xc8/0x438 ext4_bread+0x3c/0x164 ext4_quota_write+0x120/0x31c get_free_dqblk+0x108/0x1d0 do_insert_tree+0xdc/0x8b8 do_insert_tree+0x2a0/0x8b8 do_insert_tree+0x2a0/0x8b8 qtree_write_dquot+0x188/0x204 v2_write_dquot+0x70/0xb0 dquot_acquire+0x158/0x23c ext4_acquire_dquot+0xd8/0x120 dqget+0x458/0x5cc __dquot_initialize+0x1b0/0x584 dquot_initialize+0x24/0x34 ext4_process_orphan+0x34/0x16c ext4_orphan_cleanup+0x57c/0x8e0 ext4_fill_super+0x2b0c/0x2ea8 get_tree_bdev+0x1e8/0x2a0 ext4_get_tree+0x28/0x38 vfs_get_tree+0x40/0x140 do_new_mount+0x1dc/0x4e4 path_mount+0x348/0x86c __arm64_sys_mount+0x2c4/0x3c4 invoke_syscall+0x64/0x178 el0_svc_common+0xbc/0x180 do_el0_svc+0x48/0x110 el0_svc+0x58/0x14c el0t_64_sync_handler+0x84/0xf0 el0t_64_sync+0x190/0x194 irq event stamp: 2784 hardirqs last enabled at (2783): [] __find_get_block+0x134/0x884 hardirqs last disabled at (2784): [] el1_dbg+0x24/0x80 softirqs last enabled at (1712): [] local_bh_enable+0x10/0x34 softirqs last disabled at (1710): [] local_bh_disable+0x10/0x34 ---[ end trace 0000000000000000 ]--- EXT4-fs error (device loop2): mb_find_extent:1874: group 0, corruption or bug in mb_find_extent block=43, order=0 needed=512 ex=0/0/44@0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10495 at fs/ext4/mballoc.c:2308 ext4_mb_complex_scan_group+0x540/0x570 Modules linked in: CPU: 1 PID: 10495 Comm: syz-executor.2 Tainted: G W 6.2.0-rc6-syzkaller-17549-gca72d58361ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_mb_complex_scan_group+0x540/0x570 lr : ext4_mb_complex_scan_group+0x540/0x570 sp : ffff80001f922fd0 x29: ffff80001f923020 x28: 0000000000000000 x27: ffff80001f9230c8 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000029 x22: 0000000000000029 x21: ffff0000f13f3000 x20: 0000000000000000 x19: ffff0000cb2b0088 x18: 000000000000bc74 x17: ffff80000dd84158 x16: ffff80000dbc2118 x15: ffff0000ee243400 x14: 0000000000000055 x13: 00000000000000c0 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001aa99000 x9 : ffff8000087dcbb8 x8 : 0000000000040000 x7 : ffff80000815a86c x6 : 0000000000000000 x5 : 0000000000000020 x4 : ffff80001f922ac0 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000001 Call trace: ext4_mb_complex_scan_group+0x540/0x570 ext4_mb_regular_allocator+0xb44/0x1654 ext4_mb_new_blocks+0x5f8/0x1f80 ext4_ext_map_blocks+0xb44/0x2b34 ext4_map_blocks+0x48c/0xaa0 ext4_getblk+0xc8/0x438 ext4_bread+0x3c/0x164 ext4_quota_write+0x120/0x31c get_free_dqblk+0x108/0x1d0 do_insert_tree+0xdc/0x8b8 do_insert_tree+0x2a0/0x8b8 do_insert_tree+0x2a0/0x8b8 qtree_write_dquot+0x188/0x204 v2_write_dquot+0x70/0xb0 dquot_acquire+0x158/0x23c ext4_acquire_dquot+0xd8/0x120 dqget+0x458/0x5cc __dquot_initialize+0x1b0/0x584 dquot_initialize+0x24/0x34 ext4_process_orphan+0x34/0x16c ext4_orphan_cleanup+0x57c/0x8e0 ext4_fill_super+0x2b0c/0x2ea8 get_tree_bdev+0x1e8/0x2a0 ext4_get_tree+0x28/0x38 vfs_get_tree+0x40/0x140 do_new_mount+0x1dc/0x4e4 path_mount+0x348/0x86c __arm64_sys_mount+0x2c4/0x3c4 invoke_syscall+0x64/0x178 el0_svc_common+0xbc/0x180 do_el0_svc+0x48/0x110 el0_svc+0x58/0x14c el0t_64_sync_handler+0x84/0xf0 el0t_64_sync+0x190/0x194 irq event stamp: 3234 hardirqs last enabled at (3233): [] queue_work_on+0xac/0x11c hardirqs last disabled at (3234): [] el1_dbg+0x24/0x80 softirqs last enabled at (3214): [] _stext+0x54c/0x5e4 softirqs last disabled at (2787): [] ____do_softirq+0x14/0x20 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10495 at fs/ext4/mballoc.c:1869 mb_find_extent+0x3dc/0x4a8 Modules linked in: CPU: 1 PID: 10495 Comm: syz-executor.2 Tainted: G W 6.2.0-rc6-syzkaller-17549-gca72d58361ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mb_find_extent+0x3dc/0x4a8 lr : mb_find_extent+0x3dc/0x4a8 sp : ffff80001f922f20 x29: ffff80001f922f70 x28: ffff80001f922ff8 x27: ffff80001f9230c8 x26: 0000000000000029 x25: 000000000000000c x24: 0000000000000000 x23: 000000000000002c x22: 000000000000002c x21: 0000000000000200 x20: 0000000000008000 x19: ffff0000f02b7000 x18: ffff80000bf9e9bc x17: 0000000000000000 x16: 0000000000000001 x15: 0000000000000000 x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001aa99000 x9 : ffff8000087dd264 x8 : 0000000000040000 x7 : ffff8000087da424 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001f922ff8 x2 : 0000000000000200 x1 : 000000000000002c x0 : 0000000000000029 Call trace: mb_find_extent+0x3dc/0x4a8 ext4_mb_complex_scan_group+0xf0/0x570 ext4_mb_regular_allocator+0xb44/0x1654 ext4_mb_new_blocks+0x5f8/0x1f80 ext4_ext_map_blocks+0xb44/0x2b34 ext4_map_blocks+0x48c/0xaa0 ext4_getblk+0xc8/0x438 ext4_bread+0x3c/0x164 ext4_quota_write+0x120/0x31c get_free_dqblk+0x108/0x1d0 do_insert_tree+0xdc/0x8b8 do_insert_tree+0x2a0/0x8b8 do_insert_tree+0x2a0/0x8b8 qtree_write_dquot+0x188/0x204 v2_write_dquot+0x70/0xb0 dquot_acquire+0x158/0x23c ext4_acquire_dquot+0xd8/0x120 dqget+0x458/0x5cc __dquot_initialize+0x1b0/0x584 dquot_initialize+0x24/0x34 ext4_process_orphan+0x34/0x16c ext4_orphan_cleanup+0x57c/0x8e0 ext4_fill_super+0x2b0c/0x2ea8 get_tree_bdev+0x1e8/0x2a0 ext4_get_tree+0x28/0x38 vfs_get_tree+0x40/0x140 do_new_mount+0x1dc/0x4e4 path_mount+0x348/0x86c __arm64_sys_mount+0x2c4/0x3c4 invoke_syscall+0x64/0x178 el0_svc_common+0xbc/0x180 do_el0_svc+0x48/0x110 el0_svc+0x58/0x14c el0t_64_sync_handler+0x84/0xf0 el0t_64_sync+0x190/0x194 irq event stamp: 3572 hardirqs last enabled at (3571): [] _raw_spin_unlock_irqrestore+0x44/0x84 hardirqs last disabled at (3572): [] el1_dbg+0x24/0x80 softirqs last enabled at (3562): [] _stext+0x54c/0x5e4 softirqs last disabled at (3237): [] ____do_softirq+0x14/0x20 ---[ end trace 0000000000000000 ]--- EXT4-fs error (device loop2): mb_find_extent:1874: group 0, corruption or bug in mb_find_extent block=43, order=0 needed=512 ex=0/0/44@0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10495 at fs/ext4/mballoc.c:2308 ext4_mb_complex_scan_group+0x540/0x570 Modules linked in: CPU: 1 PID: 10495 Comm: syz-executor.2 Tainted: G W 6.2.0-rc6-syzkaller-17549-gca72d58361ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_mb_complex_scan_group+0x540/0x570 lr : ext4_mb_complex_scan_group+0x540/0x570 sp : ffff80001f922fd0 x29: ffff80001f923020 x28: 0000000000000000 x27: ffff80001f9230c8 x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000 x23: 0000000000000029 x22: 0000000000000029 x21: ffff0000f13f3000 x20: 0000000000000000 x19: ffff0000cb2b0088 x18: 0000000000000000 x17: 000000000000ba7e x16: 0000000000000b1c x15: 0000000005461350 x14: 00000000000002ef x13: 0000000000000b1c x12: 0000000000040000 x11: 000000000003ffff x10: ffff80001aa99000 x9 : ffff8000087dcbb8 x8 : 0000000000040000 x7 : ffff80000818b9f0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000001 Call trace: ext4_mb_complex_scan_group+0x540/0x570 ext4_mb_regular_allocator+0xb44/0x1654 ext4_mb_new_blocks+0x5f8/0x1f80 ext4_ext_map_blocks+0xb44/0x2b34 ext4_map_blocks+0x48c/0xaa0 ext4_getblk+0xc8/0x438 ext4_bread+0x3c/0x164 ext4_quota_write+0x120/0x31c get_free_dqblk+0x108/0x1d0 do_insert_tree+0xdc/0x8b8 do_insert_tree+0x2a0/0x8b8 do_insert_tree+0x2a0/0x8b8 qtree_write_dquot+0x188/0x204 v2_write_dquot+0x70/0xb0 dquot_acquire+0x158/0x23c ext4_acquire_dquot+0xd8/0x120 dqget+0x458/0x5cc __dquot_initialize+0x1b0/0x584 dquot_initialize+0x24/0x34 ext4_process_orphan+0x34/0x16c ext4_orphan_cleanup+0x57c/0x8e0 ext4_fill_super+0x2b0c/0x2ea8 get_tree_bdev+0x1e8/0x2a0 ext4_get_tree+0x28/0x38 vfs_get_tree+0x40/0x140 do_new_mount+0x1dc/0x4e4 path_mount+0x348/0x86c __arm64_sys_mount+0x2c4/0x3c4 invoke_syscall+0x64/0x178 el0_svc_common+0xbc/0x180 do_el0_svc+0x48/0x110 el0_svc+0x58/0x14c el0t_64_sync_handler+0x84/0xf0 el0t_64_sync+0x190/0x194 irq event stamp: 3794 hardirqs last enabled at (3793): [] queue_work_on+0xac/0x11c hardirqs last disabled at (3794): [] el1_dbg+0x24/0x80 softirqs last enabled at (3774): [] _stext+0x54c/0x5e4 softirqs last disabled at (3575): [] ____do_softirq+0x14/0x20 ---[ end trace 0000000000000000 ]--- __quota_error: 1 callbacks suppressed Quota error (device loop2): write_blk: dquota write failed Quota error (device loop2): qtree_write_dquot: Error -28 occurred while creating quota EXT4-fs error (device loop2): mb_free_blocks:1780: group 0, inode 16: block 38:freeing already freed block (bit 38); block bitmap corrupt. EXT4-fs (loop2): 1 truncate cleaned up EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: writeback.