------------[ cut here ]------------ WARNING: CPU: 1 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 1 PID: 6749 Comm: syz.0.761 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000000 x25: 0000000000000004 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 43686 hardirqs last enabled at (43685): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (43685): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (43686): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (39276): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (39276): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (38631): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000010 x25: 0000000000000014 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000014 x0 : 0000000000000010 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 52976 hardirqs last enabled at (52975): [] bh_lru_install fs/buffer.c:1258 [inline] hardirqs last enabled at (52975): [] __find_get_block+0xbe0/0xdfc fs/buffer.c:1309 hardirqs last disabled at (52976): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (47374): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (47374): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (47279): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 1 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000020 x25: 0000000000000024 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: ffff800011abbcc0 x17: 1fffe00033edbb7e x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000024 x0 : 0000000000000020 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 60260 hardirqs last enabled at (60259): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (60259): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (60260): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (53004): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (53004): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (52979): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 1 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000030 x25: 0000000000000034 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000034 x0 : 0000000000000030 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 60798 hardirqs last enabled at (60797): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (60797): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (60798): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (60690): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (60690): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (60263): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 1 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000040 x25: 0000000000000044 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000044 x0 : 0000000000000040 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 60840 hardirqs last enabled at (60839): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (60839): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (60840): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (60808): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (60808): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (60801): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000050 x25: 0000000000000054 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000054 x0 : 0000000000000050 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 61194 hardirqs last enabled at (61193): [] bh_lru_install fs/buffer.c:1258 [inline] hardirqs last enabled at (61193): [] __find_get_block+0xbe0/0xdfc fs/buffer.c:1309 hardirqs last disabled at (61194): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (61148): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (61148): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (60843): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 1 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000060 x25: 0000000000000064 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000064 x0 : 0000000000000060 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 61292 hardirqs last enabled at (61291): [] bh_lru_install fs/buffer.c:1258 [inline] hardirqs last enabled at (61291): [] __find_get_block+0xbe0/0xdfc fs/buffer.c:1309 hardirqs last disabled at (61292): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (61236): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (61236): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (61197): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000070 x25: 0000000000000074 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000074 x0 : 0000000000000070 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 62318 hardirqs last enabled at (62317): [] bh_lru_install fs/buffer.c:1258 [inline] hardirqs last enabled at (62317): [] __find_get_block+0xbe0/0xdfc fs/buffer.c:1309 hardirqs last disabled at (62318): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (62274): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (62274): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (61295): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000080 x25: 0000000000000084 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000084 x0 : 0000000000000080 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 62986 hardirqs last enabled at (62985): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (62985): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (62986): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (62960): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (62960): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (62321): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 0000000000000090 x25: 0000000000000094 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 0000000000000094 x0 : 0000000000000090 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 63154 hardirqs last enabled at (63153): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (63153): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (63154): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (63128): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (63128): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (62989): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 00000000000000a0 x25: 00000000000000a4 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 00000000000000a4 x0 : 00000000000000a0 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 63492 hardirqs last enabled at (63491): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (63491): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (63492): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (63386): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (63386): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (63157): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 00000000000000b0 x25: 00000000000000b4 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 00000000000000b4 x0 : 00000000000000b0 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 63548 hardirqs last enabled at (63547): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (63547): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (63548): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (63522): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (63522): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (63495): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 00000000000000c0 x25: 00000000000000c4 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 00000000000000c4 x0 : 00000000000000c0 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 63834 hardirqs last enabled at (63833): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (63833): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (63834): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (63808): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (63808): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (63551): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 00000000000000d0 x25: 00000000000000d4 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 00000000000000d4 x0 : 00000000000000d0 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 63970 hardirqs last enabled at (63969): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (63969): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (63970): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (63944): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (63944): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (63837): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 00000000000000e0 x25: 00000000000000e4 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 00000000000000e4 x0 : 00000000000000e0 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 64080 hardirqs last enabled at (64079): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (64079): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (64080): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (64050): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (64050): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (63973): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6749 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 Modules linked in: CPU: 0 PID: 6749 Comm: syz.0.761 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 sp : ffff800020cc72e0 x29: ffff800020cc7300 x28: 1ffff00004198e9e x27: dfff800000000000 x26: 00000000000000f0 x25: 00000000000000f4 x24: ffff800020cc74f8 x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff00004198e9f x20: ffff800020cc74f0 x19: ffff0000e1ea27c8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff8000082d0e30 x15: 0000000000000002 x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000 x11: 000000000007ffff x10: ffff800021879000 x9 : ffff800009815ac8 x8 : 0000000000080000 x7 : 0000000000000000 x6 : ffff0000e06da828 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00 x2 : ffff800020cc7478 x1 : 00000000000000f4 x0 : 00000000000000f0 Call trace: __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931 udf_add_aext fs/udf/inode.c:1989 [inline] udf_insert_aext fs/udf/inode.c:2160 [inline] udf_update_extents fs/udf/inode.c:1060 [inline] inode_getblk fs/udf/inode.c:776 [inline] udf_get_block+0x2570/0x32e8 fs/udf/inode.c:359 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2102 udf_write_begin+0x44/0x88 fs/udf/inode.c:212 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 udf_file_write_iter+0x218/0x564 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ac/0x7c4 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __arm64_sys_pwrite64+0x170/0x200 fs/read_write.c:706 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x1fc/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 64146 hardirqs last enabled at (64145): [] lookup_bh_lru fs/buffer.c:1291 [inline] hardirqs last enabled at (64145): [] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303 hardirqs last disabled at (64146): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (64118): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (64118): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (64083): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---