EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c47538a x27: dfff800000000000 x26: 1fffe0001da0a02b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0a436 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed0521b0 x19: ffff0000ed052168 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004e x5 : ffff0000ed0521f0 x4 : ffff0000ed0501c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 178204 hardirqs last enabled at (178203): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (178204): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (178026): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (178024): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c59 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c43d2fd x27: dfff800000000000 x26: 1fffe0001c41802b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c418436 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e20c21b0 x19: ffff0000e20c2168 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004f x5 : ffff0000e20c21f0 x4 : ffff0000e20c01c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 186200 hardirqs last enabled at (186199): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (186200): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (186036): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (186034): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c5a ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c42a241 x27: dfff800000000000 x26: 1fffe0001c4184ff x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0a504 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed052820 x19: ffff0000ed0527d8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004f x5 : ffff0000ed052860 x4 : ffff0000e20c2860 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 193594 hardirqs last enabled at (193593): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (193594): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (193436): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (193434): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c5b ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8f6a12 x27: dfff800000000000 x26: 1fffe0001c418905 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0a90a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed054850 x19: ffff0000ed054808 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004f x5 : ffff0000ed054890 x4 : ffff0000e20c4890 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 201608 hardirqs last enabled at (201607): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (201608): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (201462): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (201460): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c5c ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001bce1ece x27: dfff800000000000 x26: 1fffe0001c4189d3 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c418dde x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e20c6ef0 x19: ffff0000e20c6ea8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004f x5 : ffff0000e20c6f30 x4 : ffff0000e20c4f00 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 208996 hardirqs last enabled at (208995): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (208996): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (208832): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (208830): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c5d ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8a1cc9 x27: dfff800000000000 x26: 1fffe0001c418ea7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c423368 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2119b40 x19: ffff0000e2119af8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004f x5 : ffff0000e2119b80 x4 : ffff0000e20c75a0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 216580 hardirqs last enabled at (216579): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (216580): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (216420): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (216418): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c5e ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c464a9f x27: dfff800000000000 x26: 1fffe0001da0a9d3 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0adde x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed056ef0 x19: ffff0000ed056ea8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 000000000000004f x5 : ffff0000ed056f30 x4 : ffff0000ed054f00 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 223746 hardirqs last enabled at (223745): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (223746): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (223574): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (223572): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c5f ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe00019e98156 x27: dfff800000000000 x26: 1fffe0001c423431 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c42383c x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e211c1e0 x19: ffff0000e211c198 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000050 x5 : ffff0000e211c220 x4 : ffff0000e211a1f0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 232304 hardirqs last enabled at (232303): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (232304): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (232138): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (232136): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c60 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001da016fd x27: dfff800000000000 x26: 1fffe0001c423905 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0b0fe x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed0587f0 x19: ffff0000ed0587a8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000050 x5 : ffff0000ed058830 x4 : ffff0000e211c890 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 239990 hardirqs last enabled at (239989): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (239990): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (239808): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (239806): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c61 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b4d27 x27: dfff800000000000 x26: 1fffe0001da0b1c7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0b5d2 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed05ae90 x19: ffff0000ed05ae48 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000050 x5 : ffff0000ed05aed0 x4 : ffff0000ed058ea0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 247554 hardirqs last enabled at (247553): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (247554): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (247402): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (247400): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c62 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c443a9f x27: dfff800000000000 x26: 1fffe0001da0b69b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c423dde x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e211eef0 x19: ffff0000e211eea8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000050 x5 : ffff0000e211ef30 x4 : ffff0000ed05b540 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 254520 hardirqs last enabled at (254519): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (254520): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (254366): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (254364): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c63 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001bce829f x27: dfff800000000000 x26: 1fffe0001c423ea7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0baa6 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed05d530 x19: ffff0000ed05d4e8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000050 x5 : ffff0000ed05d570 x4 : ffff0000e211f5a0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 263096 hardirqs last enabled at (263095): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (263096): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (262928): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (262926): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c64 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001bcf6270 x27: dfff800000000000 x26: 1fffe0001da0bb6f x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0beac x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed05f560 x19: ffff0000ed05f518 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000051 x5 : ffff0000ed05f5a0 x4 : ffff0000ed05dbe0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 271132 hardirqs last enabled at (271131): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (271132): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (270956): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (270954): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c65 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8db4c9 x27: dfff800000000000 x26: 1fffe0001bcff1c7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcff5d2 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7fae90 x19: ffff0000de7fae48 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000051 x5 : ffff0000de7faed0 x4 : ffff0000de7f8ea0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 277756 hardirqs last enabled at (277755): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (277756): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (277604): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (277602): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c66 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b881556 x27: dfff800000000000 x26: 1fffe0001c44602b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcff90a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7fc850 x19: ffff0000de7fc808 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000051 x5 : ffff0000de7fc890 x4 : ffff0000e22301c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 285472 hardirqs last enabled at (285471): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (285472): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (285304): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (285302): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c67 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8a79b4 x27: dfff800000000000 x26: 1fffe0001c4461c7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcff9d8 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7fcec0 x19: ffff0000de7fce78 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000051 x5 : ffff0000de7fcf00 x4 : ffff0000e2230ea0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 292522 hardirqs last enabled at (292521): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (292522): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (292362): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (292360): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c68 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8abc3c x27: dfff800000000000 x26: 1fffe0001bcffaa1 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4465d2 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2232e90 x19: ffff0000e2232e48 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000051 x5 : ffff0000e2232ed0 x4 : ffff0000de7fd570 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 299304 hardirqs last enabled at (299303): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (299304): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (299146): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (299144): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c69 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c427585 x27: dfff800000000000 x26: 1fffe0001c44669b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c446aa6 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2235530 x19: ffff0000e22354e8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000051 x5 : ffff0000e2235570 x4 : ffff0000e2233540 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 306184 hardirqs last enabled at (306183): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (306184): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (306028): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (306026): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c6a ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c44135b x27: dfff800000000000 x26: 1fffe0001bcffea7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4731cc x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2398e60 x19: ffff0000e2398e18 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000052 x5 : ffff0000e2398ea0 x4 : ffff0000de7ff5a0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 313504 hardirqs last enabled at (313503): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (313504): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (313350): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (313348): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c6b ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe00018a4b29f x27: dfff800000000000 x26: 1fffe0001c446d0b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c473504 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e239a820 x19: ffff0000e239a7d8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000052 x5 : ffff0000e239a860 x4 : ffff0000e22368c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 320866 hardirqs last enabled at (320865): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (320866): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (320688): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (320686): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c6c ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001bcf65e3 x27: dfff800000000000 x26: 1fffe0001c4735cd x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4739d8 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e239cec0 x19: ffff0000e239ce78 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000052 x5 : ffff0000e239cf00 x4 : ffff0000e239aed0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 327914 hardirqs last enabled at (327913): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (327914): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (327746): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (327744): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c6d ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe000198d3670 x27: dfff800000000000 x26: 1fffe0001c446ea7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c473d10 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e239e880 x19: ffff0000e239e838 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000052 x5 : ffff0000e239e8c0 x4 : ffff0000e22375a0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 336448 hardirqs last enabled at (336447): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (336448): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (335790): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (335788): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c6e ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe000180d2a12 x27: dfff800000000000 x26: 1fffe0001c46d0f9 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c46d504 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e236a820 x19: ffff0000e236a7d8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000052 x5 : ffff0000e236a860 x4 : ffff0000e2368830 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 344156 hardirqs last enabled at (344155): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (344156): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (343998): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (343996): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c6f ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b7270 x27: dfff800000000000 x26: 1fffe0001c473dd9 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da07030 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed038180 x19: ffff0000ed038138 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000053 x5 : ffff0000ed0381c0 x4 : ffff0000e239ef30 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 351890 hardirqs last enabled at (351889): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (351890): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (351710): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (351708): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c70 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c429ace x27: dfff800000000000 x26: 1fffe0001c46d837 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da07368 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed039b40 x19: ffff0000ed039af8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000053 x5 : ffff0000ed039b80 x4 : ffff0000e236c220 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 359536 hardirqs last enabled at (359535): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (359536): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (359376): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (359374): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c71 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c41649a x27: dfff800000000000 x26: 1fffe0001c46d9d3 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0776e x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed03bb70 x19: ffff0000ed03bb28 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000053 x5 : ffff0000ed03bbb0 x4 : ffff0000e236cf00 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 367032 hardirqs last enabled at (367031): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (367032): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (366870): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (366868): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c72 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8a5cf8 x27: dfff800000000000 x26: 1fffe0001c46daa1 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da07aa6 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed03d530 x19: ffff0000ed03d4e8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000053 x5 : ffff0000ed03d570 x4 : ffff0000e236d570 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 374398 hardirqs last enabled at (374397): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (374398): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (374220): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (374218): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c73 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8ab72c x27: dfff800000000000 x26: 1fffe0001c46dc3d x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c46deac x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e236f560 x19: ffff0000e236f518 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000053 x5 : ffff0000e236f5a0 x4 : ffff0000e236e250 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 382734 hardirqs last enabled at (382733): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (382734): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (382572): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (382570): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c74 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b14f8 x27: dfff800000000000 x26: 1fffe0001da07d0b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4441cc x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2220e60 x19: ffff0000e2220e18 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000053 x5 : ffff0000e2220ea0 x4 : ffff0000ed03e8c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 389418 hardirqs last enabled at (389417): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (389418): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (389252): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (389250): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c75 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c43d06b x27: dfff800000000000 x26: 1fffe0001c43302b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c433436 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e219a1b0 x19: ffff0000e219a168 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000054 x5 : ffff0000e219a1f0 x4 : ffff0000e21981c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 397020 hardirqs last enabled at (397019): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (397020): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (396872): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (396870): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c76 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b3afd x27: dfff800000000000 x26: 1fffe0001c4334ff x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c43390a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e219c850 x19: ffff0000e219c808 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000054 x5 : ffff0000e219c890 x4 : ffff0000e219a860 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 403882 hardirqs last enabled at (403881): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (403882): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (403778): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (403776): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c77 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b89dafd x27: dfff800000000000 x26: 1fffe0001c444295 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c433b74 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e219dba0 x19: ffff0000e219db58 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000054 x5 : ffff0000e219dbe0 x4 : ffff0000e2221510 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 410876 hardirqs last enabled at (410875): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (410876): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (410716): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (410714): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c78 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b79809a x27: dfff800000000000 x26: 1fffe0001c433c3d x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4360fe x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e21b07f0 x19: ffff0000e21b07a8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000054 x5 : ffff0000e21b0830 x4 : ffff0000e219e250 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 418068 hardirqs last enabled at (418067): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (418068): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (417896): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (417894): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c79 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b28f8 x27: dfff800000000000 x26: 1fffe0001c4361c7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4365d2 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e21b2e90 x19: ffff0000e21b2e48 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000054 x5 : ffff0000e21b2ed0 x4 : ffff0000e21b0ea0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 425442 hardirqs last enabled at (425441): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (425442): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (425286): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (425284): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c7a ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b37b9 x27: dfff800000000000 x26: 1fffe0001c43669b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c436aa6 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e21b5530 x19: ffff0000e21b54e8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000054 x5 : ffff0000e21b5570 x4 : ffff0000e21b3540 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 433096 hardirqs last enabled at (433095): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (433096): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (432928): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (432926): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c7b ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b6051b4 x27: dfff800000000000 x26: 1fffe0001c4444ff x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c436dde x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e21b6ef0 x19: ffff0000e21b6ea8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000055 x5 : ffff0000e21b6f30 x4 : ffff0000e2222860 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 440364 hardirqs last enabled at (440363): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (440364): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (440212): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (440210): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c7c ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c47aefd x27: dfff800000000000 x26: 1fffe0001c436ea7 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c459368 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e22c9b40 x19: ffff0000e22c9af8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000055 x5 : ffff0000e22c9b80 x4 : ffff0000e21b75a0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 448514 hardirqs last enabled at (448513): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (448514): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (448354): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (448352): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c7d ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b89f527 x27: dfff800000000000 x26: 1fffe0001c44469b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c45976e x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e22cbb70 x19: ffff0000e22cbb28 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000055 x5 : ffff0000e22cbbb0 x4 : ffff0000e2223540 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 456086 hardirqs last enabled at (456085): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (456086): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (455920): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (455918): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c7e ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b89eace x27: dfff800000000000 x26: 1fffe0001c459837 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4449d8 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2224ec0 x19: ffff0000e2224e78 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000055 x5 : ffff0000e2224f00 x4 : ffff0000e22cc220 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 462610 hardirqs last enabled at (462609): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (462610): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (462466): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (462464): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c7f ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c42a2fd x27: dfff800000000000 x26: 1fffe0001c444aa1 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c444eac x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2227560 x19: ffff0000e2227518 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000055 x5 : ffff0000e22275a0 x4 : ffff0000e2225570 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 469522 hardirqs last enabled at (469521): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (469522): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (469366): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (469364): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c80 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8b3ece x27: dfff800000000000 x26: 1fffe0001c4599d3 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4189d8 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e20c4ec0 x19: ffff0000e20c4e78 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000055 x5 : ffff0000e20c4f00 x4 : ffff0000e22ccf00 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 476344 hardirqs last enabled at (476343): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (476344): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (476230): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (476228): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c81 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c44ea12 x27: dfff800000000000 x26: 1fffe0001c459c3d x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c459eac x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e22cf560 x19: ffff0000e22cf518 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000056 x5 : ffff0000e22cf5a0 x4 : ffff0000e22ce250 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 483646 hardirqs last enabled at (483645): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (483646): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (483492): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (483490): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c82 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b16a527 x27: dfff800000000000 x26: 1fffe0001c418aa1 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4186a0 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e20c3500 x19: ffff0000e20c34b8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000056 x5 : ffff0000e20c3540 x4 : ffff0000e20c5570 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 490590 hardirqs last enabled at (490589): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (490590): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (490422): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (490420): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c83 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001da01c6b x27: dfff800000000000 x26: 1fffe0001c4184ff x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c41829a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e20c14d0 x19: ffff0000e20c1488 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000056 x5 : ffff0000e20c1510 x4 : ffff0000e20c2860 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 497538 hardirqs last enabled at (497537): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (497538): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (497380): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (497378): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c84 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001da01a41 x27: dfff800000000000 x26: 1fffe0001c4180f9 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcfb29a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7d94d0 x19: ffff0000de7d9488 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000056 x5 : ffff0000de7d9510 x4 : ffff0000e20c0830 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 504106 hardirqs last enabled at (504105): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (504106): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (503954): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (503952): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c85 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001da00927 x27: dfff800000000000 x26: 1fffe0001da0b4ff x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001da0b0fe x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000ed0587f0 x19: ffff0000ed0587a8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000056 x5 : ffff0000ed058830 x4 : ffff0000ed05a860 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 511016 hardirqs last enabled at (511015): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (511016): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (510910): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (510908): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c86 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe000198ea127 x27: dfff800000000000 x26: 1fffe0001da0b5cd x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c42383c x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e211c1e0 x19: ffff0000e211c198 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000057 x5 : ffff0000e211c220 x4 : ffff0000ed05aed0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 518008 hardirqs last enabled at (518007): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (518008): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (517860): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (517858): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c87 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c47540d x27: dfff800000000000 x26: 1fffe0001bcfb363 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c423504 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e211a820 x19: ffff0000e211a7d8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000057 x5 : ffff0000e211a860 x4 : ffff0000de7d9b80 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 524990 hardirqs last enabled at (524989): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (524990): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (524864): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (524862): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c88 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c41a4c9 x27: dfff800000000000 x26: 1fffe0001c4235cd x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcfb504 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7da820 x19: ffff0000de7da7d8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000057 x5 : ffff0000de7da860 x4 : ffff0000e211aed0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 532628 hardirqs last enabled at (532627): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (532628): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (532510): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (532508): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c89 ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe00019ea31b4 x27: dfff800000000000 x26: 1fffe0001bcfb5cd x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c423d10 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e211e880 x19: ffff0000e211e838 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000057 x5 : ffff0000e211e8c0 x4 : ffff0000de7daed0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 541426 hardirqs last enabled at (541425): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (541426): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (541250): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (541248): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c8a ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe000198f335b x27: dfff800000000000 x26: 1fffe0001bcfb769 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcfbb74 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7ddba0 x19: ffff0000de7ddb58 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000057 x5 : ffff0000de7ddbe0 x4 : ffff0000de7dbbb0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 548386 hardirqs last enabled at (548385): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (548386): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (548222): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (548220): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c8b ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c439985 x27: dfff800000000000 x26: 1fffe0001bcfbc3d x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcff90a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7fc850 x19: ffff0000de7fc808 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000058 x5 : ffff0000de7fc890 x4 : ffff0000de7de250 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 555850 hardirqs last enabled at (555849): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (555850): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (555694): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (555692): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c8c ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe000198e8241 x27: dfff800000000000 x26: 1fffe0001bcff9d3 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c44629a x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e22314d0 x19: ffff0000e2231488 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000058 x5 : ffff0000e2231510 x4 : ffff0000de7fcf00 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 562488 hardirqs last enabled at (562487): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (562488): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (562312): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (562310): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c8d ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8a9985 x27: dfff800000000000 x26: 1fffe0001bcffd0b x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c446030 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2230180 x19: ffff0000e2230138 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000058 x5 : ffff0000e22301c0 x4 : ffff0000de7fe8c0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 569794 hardirqs last enabled at (569793): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (569794): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (569646): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (569644): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c8e ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 1 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001b8ad09a x27: dfff800000000000 x26: 1fffe0001bcffb6f x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001bcff1cc x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000de7f8e60 x19: ffff0000de7f8e18 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000058 x5 : ffff0000de7f8ea0 x4 : ffff0000de7fdbe0 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 577478 hardirqs last enabled at (577477): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (577478): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (577318): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (577316): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace d53cf66031ec9c8f ]--- EXT2-fs (loop0): error: ext2_valid_block_bitmap: Invalid block bitmap - block_group = 0, block = 252 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 14 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 15 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 16 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 17 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 18 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 19 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 20 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 21 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 22 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 23 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 24 EXT2-fs (loop0): error: ext2_check_page: size of directory #12 is not a multiple of chunk size EXT2-fs (loop0): error: ext2_readdir: bad page in #12 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 27 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 28 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 29 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 30 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 31 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 32 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 33 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 34 EXT2-fs (loop0): error: ext2_free_blocks: bit already cleared for block 35 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294965504 EXT2-fs (loop0): error: ext2_free_branches: Read failure, inode=16, block=4294967295 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4898 at fs/inode.c:332 drop_nlink+0xe8/0x140 fs/inode.c:332 Modules linked in: CPU: 0 PID: 4898 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drop_nlink+0xe8/0x140 fs/inode.c:332 lr : drop_nlink+0xe8/0x140 fs/inode.c:332 sp : ffff80001f1b7ac0 x29: ffff80001f1b7ac0 x28: 1fffe0001c449585 x27: dfff800000000000 x26: 1fffe0001c4460f9 x25: 0000000000000000 x24: ffff80001f1b7b00 x23: 1fffe0001c4469d8 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000e2234ec0 x19: ffff0000e2234e78 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80001125a830 x15: 000000003b9aca00 x14: 0000000000000002 x13: 0000000000000000 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008947a34 x8 : ffff0000d1b2b680 x7 : 0000000000000000 x6 : 0000000000000058 x5 : ffff0000e2234f00 x4 : ffff0000e2230830 x3 : ffff800008dd7870 x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: drop_nlink+0xe8/0x140 fs/inode.c:332 inode_dec_link_count include/linux/fs.h:2504 [inline] ext2_unlink+0x150/0x1b4 fs/ext2/namei.c:302 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4288 do_unlinkat+0x328/0x618 fs/namei.c:4356 __do_sys_unlinkat fs/namei.c:4399 [inline] __se_sys_unlinkat fs/namei.c:4392 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4392 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 584228 hardirqs last enabled at (584227): [] seqcount_lockdep_reader_access+0x1fc/0x2c0 include/linux/seqlock.h:105 hardirqs last disabled at (584228): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (584070): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31