./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3727272698
<...>
Warning: Permanently added '10.128.10.60' (ED25519) to the list of known hosts.
execve("./syz-executor3727272698", ["./syz-executor3727272698"], 0x7ffc57340df0 /* 10 vars */) = 0
brk(NULL) = 0x55558e96c000
brk(0x55558e96cd00) = 0x55558e96cd00
arch_prctl(ARCH_SET_FS, 0x55558e96c380) = 0
set_tid_address(0x55558e96c650) = 5830
set_robust_list(0x55558e96c660, 24) = 0
rseq(0x55558e96cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3727272698", 4096) = 28
getrandom("\xce\xee\x1f\xe3\xe4\xd0\xfa\x36", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558e96cd00
brk(0x55558e98dd00) = 0x55558e98dd00
brk(0x55558e98e000) = 0x55558e98e000
mprotect(0x7f56fa3b7000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
executing program
write(1, "executing program\n", 18) = 18
openat(AT_FDCWD, "/dev/iommu", O_RDONLY) = 3
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x81, 0), 0x20000340) = 0
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0xa0, 0), 0x20000200) = 0
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x81, 0), 0x200000c0) = 0
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x89, 0), 0x200002c0) = 0
[ 62.281926][ T5830] iommufd_mock iommufd_mock0: Adding to iommu group 0
[ 62.301267][ T5830] ------------[ cut here ]------------
[ 62.306828][ T5830] UBSAN: shift-out-of-bounds in drivers/iommu/iommufd/iova_bitmap.c:133:27
[ 62.315584][ T5830] shift exponent 63 is too large for 32-bit type 'int'
[ 62.322728][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor372 Not tainted 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0
[ 62.333842][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.343897][ T5830] Call Trace:
[ 62.347184][ T5830]
[ 62.350116][ T5830] dump_stack_lvl+0x241/0x360
[ 62.354800][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.359982][ T5830] ? __pfx__printk+0x10/0x10
[ 62.364567][ T5830] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420
[ 62.370984][ T5830] iova_bitmap_alloc+0x2bd/0x2d0
[ 62.375924][ T5830] iopt_read_and_clear_dirty_data+0x35a/0x6c0
[ 62.381981][ T5830] ? __pfx_iopt_read_and_clear_dirty_data+0x10/0x10
[ 62.388554][ T5830] ? _raw_spin_unlock+0x28/0x50
[ 62.393392][ T5830] ? iommufd_get_object+0x47e/0x670
[ 62.398578][ T5830] ? __pfx_iommufd_get_object+0x10/0x10
[ 62.404117][ T5830] iommufd_hwpt_get_dirty_bitmap+0x17c/0x2e0
[ 62.410081][ T5830] iommufd_fops_ioctl+0x4d6/0x5a0
[ 62.415095][ T5830] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 62.420628][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 62.426945][ T5830] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 62.432473][ T5830] __se_sys_ioctl+0xf5/0x170
[ 62.437048][ T5830] do_syscall_64+0xf3/0x230
[ 62.441538][ T5830] ? clear_bhb_loop+0x35/0x90
[ 62.446197][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.452088][ T5830] RIP: 0033:0x7f56fa3444a9
[ 62.456489][ T5830] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.476081][ T5830] RSP: 002b:00007ffd91eb7fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 62.484487][ T5830] RAX: ffffffffffffffda RBX: 00007ffd91eb81a8 RCX: 00007f56fa3444a9
[ 62.492439][ T5830] RDX: 0000000020000300 RSI: 0000000000003b8c RDI: 0000000000000003
[ 62.500395][ T5830] RBP: 00007f56fa3b7610 R08: 00007ffd91eb81a8 R09: 00007ffd91eb81a8
[ 62.508348][ T5830] R10: 00007ffd91eb81a8 R11: 0000000000000246 R12: 0000000000000001
[ 62.516302][ T5830] R13: 00007ffd91eb8198 R14: 0000000000000001 R15: 0000000000000001
[ 62.524267][ T5830]
[ 62.527482][ T5830] ---[ end trace ]---
[ 62.531558][ T5830] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 62.538799][ T5830] CPU: 1 UID: 0 PID: 5830 Comm: syz-executor372 Not tainted 6.13.0-rc6-syzkaller-00038-g09a0fa92e5b4 #0
[ 62.549906][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.559954][ T5830] Call Trace:
[ 62.563227][ T5830]
[ 62.566177][ T5830] dump_stack_lvl+0x241/0x360
[ 62.570882][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.576091][ T5830] ? __pfx__printk+0x10/0x10
[ 62.580692][ T5830] ? vscnprintf+0x5d/0x90
[ 62.585019][ T5830] panic+0x349/0x880
[ 62.588916][ T5830] ? check_panic_on_warn+0x21/0xb0
[ 62.594024][ T5830] ? __pfx_panic+0x10/0x10
[ 62.598442][ T5830] ? check_panic_on_warn+0x21/0xb0
[ 62.603546][ T5830] ? check_panic_on_warn+0x72/0xb0
[ 62.608664][ T5830] check_panic_on_warn+0x86/0xb0
[ 62.613598][ T5830] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420
[ 62.620032][ T5830] iova_bitmap_alloc+0x2bd/0x2d0
[ 62.624970][ T5830] iopt_read_and_clear_dirty_data+0x35a/0x6c0
[ 62.631041][ T5830] ? __pfx_iopt_read_and_clear_dirty_data+0x10/0x10
[ 62.637627][ T5830] ? _raw_spin_unlock+0x28/0x50
[ 62.642477][ T5830] ? iommufd_get_object+0x47e/0x670
[ 62.647678][ T5830] ? __pfx_iommufd_get_object+0x10/0x10
[ 62.653228][ T5830] iommufd_hwpt_get_dirty_bitmap+0x17c/0x2e0
[ 62.659206][ T5830] iommufd_fops_ioctl+0x4d6/0x5a0
[ 62.664223][ T5830] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 62.669773][ T5830] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 62.676098][ T5830] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 62.681640][ T5830] __se_sys_ioctl+0xf5/0x170
[ 62.686237][ T5830] do_syscall_64+0xf3/0x230
[ 62.690758][ T5830] ? clear_bhb_loop+0x35/0x90
[ 62.695429][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.701319][ T5830] RIP: 0033:0x7f56fa3444a9
[ 62.705731][ T5830] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 62.725332][ T5830] RSP: 002b:00007ffd91eb7fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 62.733747][ T5830] RAX: ffffffffffffffda RBX: 00007ffd91eb81a8 RCX: 00007f56fa3444a9
[ 62.741715][ T5830] RDX: 0000000020000300 RSI: 0000000000003b8c RDI: 0000000000000003
[ 62.749681][ T5830] RBP: 00007f56fa3b7610 R08: 00007ffd91eb81a8 R09: 00007ffd91eb81a8
[ 62.757652][ T5830] R10: 00007ffd91eb81a8 R11: 0000000000000246 R12: 0000000000000001
[ 62.765618][ T5830] R13: 00007ffd91eb8198 R14: 0000000000000001 R15: 0000000000000001
[ 62.773596][ T5830]
[ 62.776868][ T5830] Kernel Offset: disabled
[ 62.781224][ T5830] Rebooting in 86400 seconds..