loop0: detected capacity change from 0 to 32768 ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:319:16 shift exponent 108 is too large for 64-bit type 's64' (aka 'long long') CPU: 0 PID: 6700 Comm: syz-executor.0 Not tainted 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 extBalloc fs/jfs/jfs_extent.c:319 [inline] extAlloc+0xbd8/0xdec fs/jfs/jfs_extent.c:122 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248 __block_write_begin_int+0x580/0x166c fs/buffer.c:2105 __block_write_begin fs/buffer.c:2154 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2213 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:299 generic_perform_write+0x28c/0x588 mm/filemap.c:3974 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4069 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4095 call_write_iter include/linux/fs.h:2110 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x968/0xc3c fs/read_write.c:590 ksys_write+0x15c/0x26c fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:652 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 ---[ end trace ]--- ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2639:11 shift exponent 94 is too large for 32-bit type 'int' CPU: 0 PID: 6700 Comm: syz-executor.0 Not tainted 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114 dump_stack+0x1c/0x28 lib/dump_stack.c:123 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 dbSplit+0x1d4/0x1d8 fs/jfs/jfs_dmap.c:2639 dbAdjCtl+0x2c8/0x8c8 fs/jfs/jfs_dmap.c:2531 dbAllocDmap+0xb0/0x128 fs/jfs/jfs_dmap.c:2042 dbAllocNext+0x364/0x3a8 fs/jfs/jfs_dmap.c:1182 dbAlloc+0x3d8/0xb68 fs/jfs/jfs_dmap.c:816 extBalloc fs/jfs/jfs_extent.c:326 [inline] extAlloc+0x404/0xdec fs/jfs/jfs_extent.c:122 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248 __block_write_begin_int+0x580/0x166c fs/buffer.c:2105 __block_write_begin fs/buffer.c:2154 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2213 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:299 generic_perform_write+0x28c/0x588 mm/filemap.c:3974 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4069 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4095 call_write_iter include/linux/fs.h:2110 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x968/0xc3c fs/read_write.c:590 ksys_write+0x15c/0x26c fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:652 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 ---[ end trace ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6700 at fs/jfs/jfs_dmap.c:2873 dbAdjTree+0x3a0/0x480 fs/jfs/jfs_dmap.c:2873 Modules linked in: CPU: 0 PID: 6700 Comm: syz-executor.0 Not tainted 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dbAdjTree+0x3a0/0x480 fs/jfs/jfs_dmap.c:2873 lr : dbAdjTree+0x3a0/0x480 fs/jfs/jfs_dmap.c:2873 sp : ffff80009fc07070 x29: ffff80009fc07070 x28: dfff800000000000 x27: 000000000000006c x26: 000000000000005e x25: 0000000040000000 x24: 000000000000006b x23: 0000000000000555 x22: 0000000040000155 x21: 000000000000006b x20: 0000000040000000 x19: ffff0000d0039000 x18: 1fffe000367b8996 x17: ffff80008eead000 x16: ffff80008ae89e3c x15: ffff70001243aff0 x14: 1ffff0001243aff0 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff70001243aff0 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d47f0000 x7 : ffff8000802aa2c0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 000000000000006b x1 : 0000000000000555 x0 : 0000000040000155 Call trace: dbAdjTree+0x3a0/0x480 fs/jfs/jfs_dmap.c:2873 dbSplit+0x10c/0x1d8 fs/jfs/jfs_dmap.c:2646 dbAdjCtl+0x2c8/0x8c8 fs/jfs/jfs_dmap.c:2531 dbAllocDmap+0xb0/0x128 fs/jfs/jfs_dmap.c:2042 dbAllocNext+0x364/0x3a8 fs/jfs/jfs_dmap.c:1182 dbAlloc+0x3d8/0xb68 fs/jfs/jfs_dmap.c:816 extBalloc fs/jfs/jfs_extent.c:326 [inline] extAlloc+0x404/0xdec fs/jfs/jfs_extent.c:122 jfs_get_block+0x340/0xb98 fs/jfs/inode.c:248 __block_write_begin_int+0x580/0x166c fs/buffer.c:2105 __block_write_begin fs/buffer.c:2154 [inline] block_write_begin+0x98/0x11c fs/buffer.c:2213 jfs_write_begin+0x44/0x88 fs/jfs/inode.c:299 generic_perform_write+0x28c/0x588 mm/filemap.c:3974 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4069 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4095 call_write_iter include/linux/fs.h:2110 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x968/0xc3c fs/read_write.c:590 ksys_write+0x15c/0x26c fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:652 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 95634 hardirqs last enabled at (95633): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1399 [inline] hardirqs last enabled at (95633): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163 hardirqs last disabled at (95634): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (95614): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (95614): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (95581): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- JFS: block map error in dbBackSplit