Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts. executing program [ 35.990373][ T4292] loop0: detected capacity change from 0 to 32768 [ 36.033206][ T4292] ================================================================================ [ 36.035827][ T4292] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:319:16 [ 36.037819][ T4292] shift exponent 108 is too large for 64-bit type 's64' (aka 'long long') [ 36.040032][ T4292] CPU: 0 PID: 4292 Comm: syz-executor166 Not tainted 6.1.134-syzkaller #0 [ 36.042329][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 36.045090][ T4292] Call trace: [ 36.045975][ T4292] dump_backtrace+0x1c8/0x1f4 [ 36.047323][ T4292] show_stack+0x2c/0x3c [ 36.048430][ T4292] dump_stack_lvl+0x108/0x170 [ 36.049742][ T4292] dump_stack+0x1c/0x5c [ 36.050829][ T4292] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c [ 36.052569][ T4292] extAlloc+0xbd8/0xdec [ 36.053766][ T4292] jfs_get_block+0x340/0xb98 [ 36.055024][ T4292] __block_write_begin_int+0x340/0x13b4 [ 36.056492][ T4292] block_write_begin+0x98/0x11c [ 36.057819][ T4292] jfs_write_begin+0x44/0x88 [ 36.059113][ T4292] generic_perform_write+0x278/0x55c [ 36.060569][ T4292] __generic_file_write_iter+0x168/0x388 [ 36.062122][ T4292] generic_file_write_iter+0xb8/0x2b4 [ 36.063663][ T4292] vfs_write+0x610/0x91c [ 36.064802][ T4292] ksys_write+0x15c/0x26c [ 36.065995][ T4292] __arm64_sys_write+0x7c/0x90 [ 36.067272][ T4292] invoke_syscall+0x98/0x2bc [ 36.068554][ T4292] el0_svc_common+0x138/0x258 [ 36.069885][ T4292] do_el0_svc+0x58/0x13c [ 36.071088][ T4292] el0_svc+0x58/0x168 [ 36.072182][ T4292] el0t_64_sync_handler+0x84/0xf0 [ 36.073511][ T4292] el0t_64_sync+0x18c/0x190 [ 36.077321][ T4292] ================================================================================ [ 36.096233][ T4292] ================================================================================ [ 36.098847][ T4292] UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2644:11 [ 36.100890][ T4292] shift exponent 94 is too large for 32-bit type 'int' [ 36.103485][ T4292] CPU: 0 PID: 4292 Comm: syz-executor166 Not tainted 6.1.134-syzkaller #0 [ 36.105913][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 36.108601][ T4292] Call trace: [ 36.109482][ T4292] dump_backtrace+0x1c8/0x1f4 [ 36.110924][ T4292] show_stack+0x2c/0x3c [ 36.112122][ T4292] dump_stack_lvl+0x108/0x170 [ 36.113456][ T4292] dump_stack+0x1c/0x5c [ 36.114630][ T4292] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c [ 36.116419][ T4292] dbSplit+0x1d4/0x1d8 [ 36.117513][ T4292] dbAdjCtl+0x2c8/0x8c8 [ 36.118630][ T4292] dbAllocDmap+0xb0/0x128 [ 36.119831][ T4292] dbAllocNext+0x364/0x3a8 [ 36.121021][ T4292] dbAlloc+0x3d8/0xb68 [ 36.122192][ T4292] extAlloc+0x404/0xdec [ 36.123382][ T4292] jfs_get_block+0x340/0xb98 [ 36.124701][ T4292] __block_write_begin_int+0x340/0x13b4 [ 36.126240][ T4292] block_write_begin+0x98/0x11c [ 36.127652][ T4292] jfs_write_begin+0x44/0x88 [ 36.128914][ T4292] generic_perform_write+0x278/0x55c [ 36.130515][ T4292] __generic_file_write_iter+0x168/0x388 [ 36.132069][ T4292] generic_file_write_iter+0xb8/0x2b4 [ 36.133585][ T4292] vfs_write+0x610/0x91c [ 36.134794][ T4292] ksys_write+0x15c/0x26c [ 36.135992][ T4292] __arm64_sys_write+0x7c/0x90 [ 36.137369][ T4292] invoke_syscall+0x98/0x2bc [ 36.138703][ T4292] el0_svc_common+0x138/0x258 [ 36.140118][ T4292] do_el0_svc+0x58/0x13c [ 36.141260][ T4292] el0_svc+0x58/0x168 [ 36.142428][ T4292] el0t_64_sync_handler+0x84/0xf0 [ 36.143844][ T4292] el0t_64_sync+0x18c/0x190 [ 36.145229][ T4292] ================================================================================ [ 36.148081][ T4292] ------------[ cut here ]------------ [ 36.149606][ T4292] WARNING: CPU: 0 PID: 4292 at fs/jfs/jfs_dmap.c:2878 dbAdjTree+0x3d8/0x4b8 [ 36.152083][ T4292] Modules linked in: [ 36.153139][ T4292] CPU: 0 PID: 4292 Comm: syz-executor166 Not tainted 6.1.134-syzkaller #0 [ 36.155489][ T4292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 36.158341][ T4292] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.160523][ T4292] pc : dbAdjTree+0x3d8/0x4b8 [ 36.161768][ T4292] lr : dbAdjTree+0x3d8/0x4b8 [ 36.163037][ T4292] sp : ffff800021237040 [ 36.164265][ T4292] x29: ffff800021237050 x28: 0000000000000000 x27: 000000000000006c [ 36.166494][ T4292] x26: 0000000040000155 x25: 0000000040000000 x24: dfff800000000000 [ 36.168698][ T4292] x23: ffff0000d836c008 x22: 0000000000000555 x21: 000000000000006b [ 36.170890][ T4292] x20: 0000000040000000 x19: ffff0000d836c000 x18: 1fffe00036798576 [ 36.173119][ T4292] x17: 3d3d3d3d3d3d3d3d x16: ffff80001232ab6c x15: 0000000000000000 [ 36.175472][ T4292] x14: 1ffff00002b600b2 x13: dfff800000000000 x12: ffff7000030e18b0 [ 36.177693][ T4292] x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800009a30a20 [ 36.179946][ T4292] x8 : ffff0000dea33780 x7 : ffff8000123fa2b8 x6 : 0000000000000000 [ 36.182088][ T4292] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000001 [ 36.184323][ T4292] x2 : 000000000000006b x1 : 0000000000000555 x0 : 0000000040000155 [ 36.186580][ T4292] Call trace: [ 36.187478][ T4292] dbAdjTree+0x3d8/0x4b8 [ 36.188624][ T4292] dbSplit+0x10c/0x1d8 [ 36.189765][ T4292] dbAdjCtl+0x2c8/0x8c8 [ 36.190875][ T4292] dbAllocDmap+0xb0/0x128 [ 36.192097][ T4292] dbAllocNext+0x364/0x3a8 [ 36.193359][ T4292] dbAlloc+0x3d8/0xb68 [ 36.194445][ T4292] extAlloc+0x404/0xdec [ 36.195671][ T4292] jfs_get_block+0x340/0xb98 [ 36.196881][ T4292] __block_write_begin_int+0x340/0x13b4 [ 36.198425][ T4292] block_write_begin+0x98/0x11c [ 36.199766][ T4292] jfs_write_begin+0x44/0x88 [ 36.201088][ T4292] generic_perform_write+0x278/0x55c [ 36.202556][ T4292] __generic_file_write_iter+0x168/0x388 [ 36.204078][ T4292] generic_file_write_iter+0xb8/0x2b4 [ 36.205570][ T4292] vfs_write+0x610/0x91c [ 36.206807][ T4292] ksys_write+0x15c/0x26c [ 36.207955][ T4292] __arm64_sys_write+0x7c/0x90 [ 36.209292][ T4292] invoke_syscall+0x98/0x2bc [ 36.210564][ T4292] el0_svc_common+0x138/0x258 [ 36.211891][ T4292] do_el0_svc+0x58/0x13c [ 36.213074][ T4292] el0_svc+0x58/0x168 [ 36.214191][ T4292] el0t_64_sync_handler+0x84/0xf0 [ 36.215624][ T4292] el0t_64_sync+0x18c/0x190 [ 36.216874][ T4292] irq event stamp: 81738 [ 36.218040][ T4292] hardirqs last enabled at (81737): [] __schedule+0x100c/0x1d44 [ 36.220567][ T4292] hardirqs last disabled at (81738): [] el1_dbg+0x24/0x80 [ 36.222980][ T4292] softirqs last enabled at (81722): [] handle_softirqs+0xb84/0xd58 [ 36.225656][ T4292] softirqs last disabled at (81705): [] __do_softirq+0x14/0x20 [ 36.228112][ T4292] ---[ end trace 0000000000000000 ]--- [ 36.417121][ T4292] JFS: block map error in dbBackSplit executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program