Warning: Permanently added '10.128.1.179' (ED25519) to the list of known hosts. executing program [ 42.935559][ T4022] loop0: detected capacity change from 0 to 32768 [ 43.080632][ T4022] ================================================================================ [ 43.083388][ T4022] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:516:16 [ 43.085367][ T4022] shift exponent 108 is too large for 64-bit type 's64' (aka 'long long') [ 43.088385][ T4022] CPU: 0 PID: 4022 Comm: syz-executor958 Not tainted 5.15.182-syzkaller #0 [ 43.090807][ T4022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 43.093644][ T4022] Call trace: [ 43.094534][ T4022] dump_backtrace+0x0/0x43c [ 43.095778][ T4022] show_stack+0x2c/0x3c [ 43.096964][ T4022] __dump_stack+0x30/0x40 [ 43.098153][ T4022] dump_stack_lvl+0xf8/0x160 [ 43.099431][ T4022] dump_stack+0x1c/0x5c [ 43.100563][ T4022] ubsan_epilogue+0x14/0x48 [ 43.101856][ T4022] __ubsan_handle_shift_out_of_bounds+0x2b4/0x358 [ 43.103639][ T4022] extAlloc+0xaa8/0xdc4 [ 43.104788][ T4022] jfs_get_block+0x2bc/0x8ec [ 43.106052][ T4022] nobh_write_begin+0x2d8/0x9d4 [ 43.107407][ T4022] jfs_write_begin+0x58/0xa0 [ 43.108744][ T4022] generic_perform_write+0x204/0x480 [ 43.110346][ T4022] __generic_file_write_iter+0x23c/0x454 [ 43.111963][ T4022] generic_file_write_iter+0xb0/0x1b4 [ 43.113518][ T4022] vfs_write+0x7c8/0xa2c [ 43.114702][ T4022] ksys_write+0x120/0x210 [ 43.115898][ T4022] __arm64_sys_write+0x7c/0x90 [ 43.117219][ T4022] invoke_syscall+0x98/0x2b8 [ 43.118485][ T4022] el0_svc_common+0x138/0x258 [ 43.119769][ T4022] do_el0_svc+0x58/0x14c [ 43.120994][ T4022] el0_svc+0x78/0x1e0 [ 43.122125][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 43.123545][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 43.125058][ T4022] ================================================================================ [ 43.146877][ T4022] ================================================================================ [ 43.149613][ T4022] UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2716:11 [ 43.151557][ T4022] shift exponent 94 is too large for 32-bit type 'int' [ 43.153504][ T4022] CPU: 0 PID: 4022 Comm: syz-executor958 Not tainted 5.15.182-syzkaller #0 [ 43.155803][ T4022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 43.158582][ T4022] Call trace: [ 43.159474][ T4022] dump_backtrace+0x0/0x43c [ 43.160755][ T4022] show_stack+0x2c/0x3c [ 43.161859][ T4022] __dump_stack+0x30/0x40 [ 43.163031][ T4022] dump_stack_lvl+0xf8/0x160 [ 43.164293][ T4022] dump_stack+0x1c/0x5c [ 43.165437][ T4022] ubsan_epilogue+0x14/0x48 [ 43.166674][ T4022] __ubsan_handle_shift_out_of_bounds+0x2b4/0x358 [ 43.168411][ T4022] dbSplit+0x1d4/0x1d8 [ 43.169549][ T4022] dbAdjCtl+0x2bc/0x8c8 [ 43.170684][ T4022] dbAllocDmap+0xb0/0x128 [ 43.171876][ T4022] dbAllocNext+0x35c/0x3a0 [ 43.173085][ T4022] dbAlloc+0x334/0x978 [ 43.174158][ T4022] extAlloc+0x3f4/0xdc4 [ 43.175322][ T4022] jfs_get_block+0x2bc/0x8ec [ 43.176657][ T4022] nobh_write_begin+0x2d8/0x9d4 [ 43.178007][ T4022] jfs_write_begin+0x58/0xa0 [ 43.179308][ T4022] generic_perform_write+0x204/0x480 [ 43.180740][ T4022] __generic_file_write_iter+0x23c/0x454 [ 43.182306][ T4022] generic_file_write_iter+0xb0/0x1b4 [ 43.183807][ T4022] vfs_write+0x7c8/0xa2c [ 43.184998][ T4022] ksys_write+0x120/0x210 [ 43.186222][ T4022] __arm64_sys_write+0x7c/0x90 [ 43.187530][ T4022] invoke_syscall+0x98/0x2b8 [ 43.188776][ T4022] el0_svc_common+0x138/0x258 [ 43.190075][ T4022] do_el0_svc+0x58/0x14c [ 43.191233][ T4022] el0_svc+0x78/0x1e0 [ 43.192332][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 43.193748][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 43.195177][ T4022] ================================================================================ [ 43.197933][ T4022] ------------[ cut here ]------------ [ 43.199445][ T4022] WARNING: CPU: 0 PID: 4022 at fs/jfs/jfs_dmap.c:2950 dbAdjTree+0x3a8/0x414 [ 43.201823][ T4022] Modules linked in: [ 43.202840][ T4022] CPU: 0 PID: 4022 Comm: syz-executor958 Not tainted 5.15.182-syzkaller #0 [ 43.205200][ T4022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 43.208022][ T4022] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.210193][ T4022] pc : dbAdjTree+0x3a8/0x414 [ 43.211435][ T4022] lr : dbAdjTree+0x3a8/0x414 [ 43.212680][ T4022] sp : ffff80001cf971f0 [ 43.213842][ T4022] x29: ffff80001cf97200 x28: dfff800000000000 x27: ffff0000d5754011 [ 43.216067][ T4022] x26: 000000000000005e x25: ffff0000d5754000 x24: 0000000040000155 [ 43.218286][ T4022] x23: ffff0000d5754008 x22: 0000000000000555 x21: 0000000040000000 [ 43.220603][ T4022] x20: 000000000000006b x19: dfff800000000000 x18: 0000000000000001 [ 43.222809][ T4022] x17: 0000000000000000 x16: ffff8000081844d8 x15: 00000000ffffffff [ 43.225056][ T4022] x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 [ 43.227297][ T4022] x11: 0000000000000000 x10: 0000000000000000 x9 : ffff8000097a9dec [ 43.229583][ T4022] x8 : ffff0000c2718000 x7 : 0000000000000001 x6 : 0000000000000001 [ 43.231849][ T4022] x5 : ffff80001cf96a98 x4 : ffff80001422f280 x3 : 0000000000000001 [ 43.234121][ T4022] x2 : 000000000000006b x1 : 0000000000000555 x0 : 0000000040000155 [ 43.236351][ T4022] Call trace: [ 43.237224][ T4022] dbAdjTree+0x3a8/0x414 [ 43.238442][ T4022] dbSplit+0x10c/0x1d8 [ 43.239567][ T4022] dbAdjCtl+0x2bc/0x8c8 [ 43.240708][ T4022] dbAllocDmap+0xb0/0x128 [ 43.242040][ T4022] dbAllocNext+0x35c/0x3a0 [ 43.243221][ T4022] dbAlloc+0x334/0x978 [ 43.244373][ T4022] extAlloc+0x3f4/0xdc4 [ 43.245529][ T4022] jfs_get_block+0x2bc/0x8ec [ 43.246839][ T4022] nobh_write_begin+0x2d8/0x9d4 [ 43.248218][ T4022] jfs_write_begin+0x58/0xa0 [ 43.249481][ T4022] generic_perform_write+0x204/0x480 [ 43.250982][ T4022] __generic_file_write_iter+0x23c/0x454 [ 43.252539][ T4022] generic_file_write_iter+0xb0/0x1b4 [ 43.254020][ T4022] vfs_write+0x7c8/0xa2c [ 43.255222][ T4022] ksys_write+0x120/0x210 [ 43.256455][ T4022] __arm64_sys_write+0x7c/0x90 [ 43.257785][ T4022] invoke_syscall+0x98/0x2b8 [ 43.259050][ T4022] el0_svc_common+0x138/0x258 [ 43.260336][ T4022] do_el0_svc+0x58/0x14c [ 43.261544][ T4022] el0_svc+0x78/0x1e0 [ 43.262596][ T4022] el0t_64_sync_handler+0xcc/0xe4 [ 43.263993][ T4022] el0t_64_sync+0x1a0/0x1a4 [ 43.265269][ T4022] irq event stamp: 106784 [ 43.266436][ T4022] hardirqs last enabled at (106783): [] __up_console_sem+0xb4/0x100 [ 43.269068][ T4022] hardirqs last disabled at (106784): [] el1_dbg+0x24/0x80 [ 43.271437][ T4022] softirqs last enabled at (106768): [] handle_softirqs+0xa4c/0xbf0 [ 43.274065][ T4022] softirqs last disabled at (106751): [] __irq_exit_rcu+0x240/0x440 [ 43.276660][ T4022] ---[ end trace b9cf5642d8deefa6 ]--- [ 43.502255][ T4022] JFS: block map error in dbBackSplit