[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.244' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 144.337114][ T8206] ===================================================== [ 144.344221][ T8206] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 144.351807][ T8206] CPU: 0 PID: 8206 Comm: syz-executor610 Not tainted 5.11.0-rc7-syzkaller #0 [ 144.360622][ T8206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.370722][ T8206] Call Trace: [ 144.374030][ T8206] dump_stack+0x21c/0x280 [ 144.378503][ T8206] kmsan_report+0xfb/0x1e0 [ 144.383086][ T8206] kmsan_internal_check_memory+0x484/0x520 [ 144.388981][ T8206] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.395118][ T8206] ? should_fail+0x72/0x9e0 [ 144.399692][ T8206] kmsan_copy_to_user+0x9c/0xb0 [ 144.404596][ T8206] _copy_to_user+0x1ac/0x270 [ 144.409232][ T8206] i2cdev_read+0x23d/0x350 [ 144.413706][ T8206] ? put_i2c_dev+0x2c0/0x2c0 [ 144.418372][ T8206] vfs_read+0x533/0x15a0 [ 144.422665][ T8206] ? __fget_light+0x249/0x850 [ 144.430945][ T8206] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.436697][ T8206] ? kmsan_get_metadata+0x116/0x180 [ 144.441962][ T8206] ksys_read+0x275/0x500 [ 144.446921][ T8206] __se_sys_read+0x92/0xb0 [ 144.451553][ T8206] __x64_sys_read+0x4a/0x70 [ 144.456074][ T8206] do_syscall_64+0x9f/0x140 [ 144.460617][ T8206] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.466589][ T8206] RIP: 0033:0x444189 [ 144.470520][ T8206] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 144.490229][ T8206] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 144.498666][ T8206] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000444189 [ 144.506787][ T8206] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 144.515358][ T8206] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 144.523408][ T8206] R10: 000000000000000f R11: 0000000000000246 R12: 00000000004034a0 [ 144.531474][ T8206] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 144.539491][ T8206] [ 144.541893][ T8206] Uninit was created at: [ 144.546166][ T8206] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.552033][ T8206] kmsan_slab_alloc+0x8d/0xe0 [ 144.556736][ T8206] __kmalloc+0x378/0x560 [ 144.561076][ T8206] i2cdev_read+0x128/0x350 [ 144.565537][ T8206] vfs_read+0x533/0x15a0 [ 144.569818][ T8206] ksys_read+0x275/0x500 [ 144.574072][ T8206] __se_sys_read+0x92/0xb0 [ 144.578508][ T8206] __x64_sys_read+0x4a/0x70 [ 144.583059][ T8206] do_syscall_64+0x9f/0x140 executing program [ 144.587633][ T8206] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.593550][ T8206] [ 144.595950][ T8206] Bytes 0-4095 of 4096 are uninitialized [ 144.601673][ T8206] Memory access of size 4096 starts at ffff88812e48b000 [ 144.608637][ T8206] Data copied to user address 0000000020000480 [ 144.614796][ T8206] ===================================================== [ 144.622058][ T8206] Disabling lock debugging due to kernel taint [ 144.650783][ T8207] ===================================================== [ 144.657788][ T8207] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 144.665313][ T8207] CPU: 1 PID: 8207 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.675670][ T8207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.685976][ T8207] Call Trace: [ 144.689399][ T8207] dump_stack+0x21c/0x280 [ 144.693784][ T8207] kmsan_report+0xfb/0x1e0 [ 144.698275][ T8207] kmsan_internal_check_memory+0x484/0x520 [ 144.704114][ T8207] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 144.710245][ T8207] ? should_fail+0x72/0x9e0 [ 144.714804][ T8207] kmsan_copy_to_user+0x9c/0xb0 [ 144.719708][ T8207] _copy_to_user+0x1ac/0x270 [ 144.724377][ T8207] i2cdev_read+0x23d/0x350 [ 144.728868][ T8207] ? put_i2c_dev+0x2c0/0x2c0 [ 144.733499][ T8207] vfs_read+0x533/0x15a0 [ 144.737769][ T8207] ? __fget_light+0x249/0x850 [ 144.742466][ T8207] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.748175][ T8207] ? kmsan_get_metadata+0x116/0x180 [ 144.753504][ T8207] ksys_read+0x275/0x500 [ 144.757764][ T8207] __se_sys_read+0x92/0xb0 [ 144.762216][ T8207] __x64_sys_read+0x4a/0x70 [ 144.766791][ T8207] do_syscall_64+0x9f/0x140 [ 144.771360][ T8207] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.777270][ T8207] RIP: 0033:0x444189 [ 144.781193][ T8207] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 144.800843][ T8207] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 144.812136][ T8207] RAX: ffffffffffffffda RBX: 00000000000233ff RCX: 0000000000444189 [ 144.820281][ T8207] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 144.828494][ T8207] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 144.836494][ T8207] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 144.844500][ T8207] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 144.852497][ T8207] [ 144.854876][ T8207] Uninit was created at: [ 144.859110][ T8207] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.864852][ T8207] kmsan_slab_alloc+0x8d/0xe0 [ 144.869599][ T8207] __kmalloc+0x378/0x560 [ 144.873870][ T8207] i2cdev_read+0x128/0x350 [ 144.878387][ T8207] vfs_read+0x533/0x15a0 [ 144.882829][ T8207] ksys_read+0x275/0x500 [ 144.887290][ T8207] __se_sys_read+0x92/0xb0 [ 144.892318][ T8207] __x64_sys_read+0x4a/0x70 [ 144.896958][ T8207] do_syscall_64+0x9f/0x140 executing program [ 144.901545][ T8207] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 144.907502][ T8207] [ 144.909863][ T8207] Bytes 0-4095 of 4096 are uninitialized [ 144.915535][ T8207] Memory access of size 4096 starts at ffff88812e506000 [ 144.922474][ T8207] Data copied to user address 0000000020000480 [ 144.928634][ T8207] ===================================================== [ 144.954401][ T8208] ===================================================== [ 144.961398][ T8208] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 144.968932][ T8208] CPU: 1 PID: 8208 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.979118][ T8208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.989223][ T8208] Call Trace: [ 144.992544][ T8208] dump_stack+0x21c/0x280 [ 144.996932][ T8208] kmsan_report+0xfb/0x1e0 [ 145.001412][ T8208] kmsan_internal_check_memory+0x484/0x520 [ 145.007248][ T8208] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.013360][ T8208] ? should_fail+0x72/0x9e0 [ 145.017897][ T8208] kmsan_copy_to_user+0x9c/0xb0 [ 145.022790][ T8208] _copy_to_user+0x1ac/0x270 [ 145.027436][ T8208] i2cdev_read+0x23d/0x350 [ 145.031895][ T8208] ? put_i2c_dev+0x2c0/0x2c0 [ 145.036516][ T8208] vfs_read+0x533/0x15a0 [ 145.040790][ T8208] ? __fget_light+0x249/0x850 [ 145.045512][ T8208] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.051310][ T8208] ? kmsan_get_metadata+0x116/0x180 [ 145.056623][ T8208] ksys_read+0x275/0x500 [ 145.060928][ T8208] __se_sys_read+0x92/0xb0 [ 145.065436][ T8208] __x64_sys_read+0x4a/0x70 [ 145.069977][ T8208] do_syscall_64+0x9f/0x140 [ 145.074626][ T8208] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.080535][ T8208] RIP: 0033:0x444189 [ 145.084439][ T8208] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 145.104183][ T8208] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 145.112628][ T8208] RAX: ffffffffffffffda RBX: 0000000000023536 RCX: 0000000000444189 [ 145.120612][ T8208] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 145.128600][ T8208] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 145.136696][ T8208] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 145.144788][ T8208] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 145.153062][ T8208] [ 145.155438][ T8208] Uninit was created at: [ 145.159718][ T8208] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.165461][ T8208] kmsan_slab_alloc+0x8d/0xe0 [ 145.170172][ T8208] __kmalloc+0x378/0x560 [ 145.174441][ T8208] i2cdev_read+0x128/0x350 [ 145.178869][ T8208] vfs_read+0x533/0x15a0 [ 145.183132][ T8208] ksys_read+0x275/0x500 [ 145.187576][ T8208] __se_sys_read+0x92/0xb0 [ 145.192018][ T8208] __x64_sys_read+0x4a/0x70 [ 145.196599][ T8208] do_syscall_64+0x9f/0x140 executing program [ 145.201149][ T8208] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.207070][ T8208] [ 145.209398][ T8208] Bytes 0-4095 of 4096 are uninitialized [ 145.215127][ T8208] Memory access of size 4096 starts at ffff88812e506000 [ 145.222158][ T8208] Data copied to user address 0000000020000480 [ 145.228329][ T8208] ===================================================== [ 145.262309][ T8209] ===================================================== [ 145.269343][ T8209] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.276874][ T8209] CPU: 1 PID: 8209 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.287069][ T8209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.297196][ T8209] Call Trace: [ 145.300509][ T8209] dump_stack+0x21c/0x280 [ 145.304885][ T8209] kmsan_report+0xfb/0x1e0 [ 145.309354][ T8209] kmsan_internal_check_memory+0x484/0x520 [ 145.315225][ T8209] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.321356][ T8209] ? should_fail+0x72/0x9e0 [ 145.325920][ T8209] kmsan_copy_to_user+0x9c/0xb0 [ 145.330829][ T8209] _copy_to_user+0x1ac/0x270 [ 145.335473][ T8209] i2cdev_read+0x23d/0x350 [ 145.339939][ T8209] ? put_i2c_dev+0x2c0/0x2c0 [ 145.344584][ T8209] vfs_read+0x533/0x15a0 [ 145.348880][ T8209] ? __fget_light+0x249/0x850 [ 145.353654][ T8209] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.359350][ T8209] ? kmsan_get_metadata+0x116/0x180 [ 145.364605][ T8209] ksys_read+0x275/0x500 [ 145.368905][ T8209] __se_sys_read+0x92/0xb0 [ 145.373382][ T8209] __x64_sys_read+0x4a/0x70 [ 145.377949][ T8209] do_syscall_64+0x9f/0x140 [ 145.382522][ T8209] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.388470][ T8209] RIP: 0033:0x444189 [ 145.392438][ T8209] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 145.412140][ T8209] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 145.420762][ T8209] RAX: ffffffffffffffda RBX: 0000000000023669 RCX: 0000000000444189 [ 145.428791][ T8209] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 145.436809][ T8209] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 145.445037][ T8209] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 145.453056][ T8209] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 145.461082][ T8209] [ 145.463441][ T8209] Uninit was created at: [ 145.467715][ T8209] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.473616][ T8209] kmsan_slab_alloc+0x8d/0xe0 [ 145.478356][ T8209] __kmalloc+0x378/0x560 [ 145.482656][ T8209] i2cdev_read+0x128/0x350 [ 145.487134][ T8209] vfs_read+0x533/0x15a0 [ 145.491441][ T8209] ksys_read+0x275/0x500 [ 145.496012][ T8209] __se_sys_read+0x92/0xb0 [ 145.500492][ T8209] __x64_sys_read+0x4a/0x70 [ 145.505061][ T8209] do_syscall_64+0x9f/0x140 executing program [ 145.509636][ T8209] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.515607][ T8209] [ 145.517963][ T8209] Bytes 0-4095 of 4096 are uninitialized [ 145.523610][ T8209] Memory access of size 4096 starts at ffff88812e506000 [ 145.530572][ T8209] Data copied to user address 0000000020000480 [ 145.536808][ T8209] ===================================================== [ 145.564378][ T8211] ===================================================== [ 145.571369][ T8211] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.578864][ T8211] CPU: 1 PID: 8211 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.589291][ T8211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.599554][ T8211] Call Trace: [ 145.602865][ T8211] dump_stack+0x21c/0x280 [ 145.607247][ T8211] kmsan_report+0xfb/0x1e0 [ 145.611736][ T8211] kmsan_internal_check_memory+0x484/0x520 [ 145.617567][ T8211] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.623662][ T8211] ? should_fail+0x72/0x9e0 [ 145.628255][ T8211] kmsan_copy_to_user+0x9c/0xb0 [ 145.633149][ T8211] _copy_to_user+0x1ac/0x270 [ 145.638761][ T8211] i2cdev_read+0x23d/0x350 [ 145.643309][ T8211] ? put_i2c_dev+0x2c0/0x2c0 [ 145.647915][ T8211] vfs_read+0x533/0x15a0 [ 145.652179][ T8211] ? __fget_light+0x249/0x850 [ 145.657052][ T8211] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.662752][ T8211] ? kmsan_get_metadata+0x116/0x180 [ 145.668143][ T8211] ksys_read+0x275/0x500 [ 145.672434][ T8211] __se_sys_read+0x92/0xb0 [ 145.676910][ T8211] __x64_sys_read+0x4a/0x70 [ 145.681436][ T8211] do_syscall_64+0x9f/0x140 [ 145.685977][ T8211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.693063][ T8211] RIP: 0033:0x444189 [ 145.696986][ T8211] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 145.716700][ T8211] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 145.725568][ T8211] RAX: ffffffffffffffda RBX: 0000000000023798 RCX: 0000000000444189 [ 145.733820][ T8211] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 145.742416][ T8211] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 145.750509][ T8211] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 145.758575][ T8211] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 145.767598][ T8211] [ 145.769942][ T8211] Uninit was created at: [ 145.774174][ T8211] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.779917][ T8211] kmsan_slab_alloc+0x8d/0xe0 [ 145.784757][ T8211] __kmalloc+0x378/0x560 [ 145.789017][ T8211] i2cdev_read+0x128/0x350 [ 145.794418][ T8211] vfs_read+0x533/0x15a0 [ 145.798710][ T8211] ksys_read+0x275/0x500 [ 145.802981][ T8211] __se_sys_read+0x92/0xb0 [ 145.807482][ T8211] __x64_sys_read+0x4a/0x70 executing program [ 145.812098][ T8211] do_syscall_64+0x9f/0x140 [ 145.821338][ T8211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 145.827248][ T8211] [ 145.829571][ T8211] Bytes 0-4095 of 4096 are uninitialized [ 145.835213][ T8211] Memory access of size 4096 starts at ffff88812e506000 [ 145.842197][ T8211] Data copied to user address 0000000020000480 [ 145.848388][ T8211] ===================================================== [ 145.872913][ T8212] ===================================================== [ 145.880446][ T8212] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.888004][ T8212] CPU: 1 PID: 8212 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.898563][ T8212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.908651][ T8212] Call Trace: [ 145.912115][ T8212] dump_stack+0x21c/0x280 [ 145.916596][ T8212] kmsan_report+0xfb/0x1e0 [ 145.921065][ T8212] kmsan_internal_check_memory+0x484/0x520 [ 145.927122][ T8212] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 145.933342][ T8212] ? should_fail+0x72/0x9e0 [ 145.937884][ T8212] kmsan_copy_to_user+0x9c/0xb0 [ 145.942757][ T8212] _copy_to_user+0x1ac/0x270 [ 145.947363][ T8212] i2cdev_read+0x23d/0x350 [ 145.951808][ T8212] ? put_i2c_dev+0x2c0/0x2c0 [ 145.956410][ T8212] vfs_read+0x533/0x15a0 [ 145.960777][ T8212] ? __fget_light+0x249/0x850 [ 145.965495][ T8212] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.972177][ T8212] ? kmsan_get_metadata+0x116/0x180 [ 145.977542][ T8212] ksys_read+0x275/0x500 [ 145.981852][ T8212] __se_sys_read+0x92/0xb0 [ 145.986297][ T8212] __x64_sys_read+0x4a/0x70 [ 145.990988][ T8212] do_syscall_64+0x9f/0x140 [ 145.995535][ T8212] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.001621][ T8212] RIP: 0033:0x444189 [ 146.005527][ T8212] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 146.025746][ T8212] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.034654][ T8212] RAX: ffffffffffffffda RBX: 00000000000238cb RCX: 0000000000444189 [ 146.042750][ T8212] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.050763][ T8212] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 146.058752][ T8212] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 146.066735][ T8212] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.074907][ T8212] [ 146.077231][ T8212] Uninit was created at: [ 146.081483][ T8212] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.087404][ T8212] kmsan_slab_alloc+0x8d/0xe0 [ 146.092098][ T8212] __kmalloc+0x378/0x560 [ 146.096373][ T8212] i2cdev_read+0x128/0x350 [ 146.100811][ T8212] vfs_read+0x533/0x15a0 [ 146.105084][ T8212] ksys_read+0x275/0x500 [ 146.109364][ T8212] __se_sys_read+0x92/0xb0 [ 146.113806][ T8212] __x64_sys_read+0x4a/0x70 [ 146.118681][ T8212] do_syscall_64+0x9f/0x140 executing program [ 146.123211][ T8212] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.129118][ T8212] [ 146.131453][ T8212] Bytes 0-4095 of 4096 are uninitialized [ 146.137255][ T8212] Memory access of size 4096 starts at ffff88812e506000 [ 146.144302][ T8212] Data copied to user address 0000000020000480 [ 146.150491][ T8212] ===================================================== [ 146.175351][ T8213] ===================================================== [ 146.182340][ T8213] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 146.189900][ T8213] CPU: 1 PID: 8213 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.200101][ T8213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.210275][ T8213] Call Trace: [ 146.213575][ T8213] dump_stack+0x21c/0x280 [ 146.217931][ T8213] kmsan_report+0xfb/0x1e0 [ 146.222444][ T8213] kmsan_internal_check_memory+0x484/0x520 [ 146.228409][ T8213] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.234496][ T8213] ? should_fail+0x72/0x9e0 [ 146.239034][ T8213] kmsan_copy_to_user+0x9c/0xb0 [ 146.244027][ T8213] _copy_to_user+0x1ac/0x270 [ 146.248668][ T8213] i2cdev_read+0x23d/0x350 [ 146.253134][ T8213] ? put_i2c_dev+0x2c0/0x2c0 [ 146.257885][ T8213] vfs_read+0x533/0x15a0 [ 146.262169][ T8213] ? __fget_light+0x249/0x850 [ 146.266884][ T8213] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.272549][ T8213] ? kmsan_get_metadata+0x116/0x180 [ 146.277805][ T8213] ksys_read+0x275/0x500 [ 146.282119][ T8213] __se_sys_read+0x92/0xb0 [ 146.286698][ T8213] __x64_sys_read+0x4a/0x70 [ 146.291364][ T8213] do_syscall_64+0x9f/0x140 [ 146.296325][ T8213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.302715][ T8213] RIP: 0033:0x444189 [ 146.308028][ T8213] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 146.327670][ T8213] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.336271][ T8213] RAX: ffffffffffffffda RBX: 00000000000239fe RCX: 0000000000444189 [ 146.344288][ T8213] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.352286][ T8213] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 146.360267][ T8213] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 146.368246][ T8213] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.376230][ T8213] [ 146.378708][ T8213] Uninit was created at: [ 146.383069][ T8213] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.388852][ T8213] kmsan_slab_alloc+0x8d/0xe0 [ 146.393843][ T8213] __kmalloc+0x378/0x560 [ 146.398134][ T8213] i2cdev_read+0x128/0x350 [ 146.402607][ T8213] vfs_read+0x533/0x15a0 [ 146.406865][ T8213] ksys_read+0x275/0x500 [ 146.411148][ T8213] __se_sys_read+0x92/0xb0 [ 146.415577][ T8213] __x64_sys_read+0x4a/0x70 [ 146.420110][ T8213] do_syscall_64+0x9f/0x140 executing program [ 146.424634][ T8213] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.430581][ T8213] [ 146.432925][ T8213] Bytes 0-4095 of 4096 are uninitialized [ 146.438572][ T8213] Memory access of size 4096 starts at ffff88812e506000 [ 146.445502][ T8213] Data copied to user address 0000000020000480 [ 146.451747][ T8213] ===================================================== [ 146.474073][ T8214] ===================================================== [ 146.481056][ T8214] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 146.488577][ T8214] CPU: 1 PID: 8214 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.498759][ T8214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.508830][ T8214] Call Trace: [ 146.512127][ T8214] dump_stack+0x21c/0x280 [ 146.516503][ T8214] kmsan_report+0xfb/0x1e0 [ 146.520961][ T8214] kmsan_internal_check_memory+0x484/0x520 [ 146.526819][ T8214] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.532911][ T8214] ? should_fail+0x72/0x9e0 [ 146.537569][ T8214] kmsan_copy_to_user+0x9c/0xb0 [ 146.542590][ T8214] _copy_to_user+0x1ac/0x270 [ 146.547237][ T8214] i2cdev_read+0x23d/0x350 [ 146.551695][ T8214] ? put_i2c_dev+0x2c0/0x2c0 [ 146.556317][ T8214] vfs_read+0x533/0x15a0 [ 146.560590][ T8214] ? __fget_light+0x249/0x850 [ 146.565303][ T8214] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.570957][ T8214] ? kmsan_get_metadata+0x116/0x180 [ 146.576298][ T8214] ksys_read+0x275/0x500 [ 146.580576][ T8214] __se_sys_read+0x92/0xb0 [ 146.585066][ T8214] __x64_sys_read+0x4a/0x70 [ 146.589612][ T8214] do_syscall_64+0x9f/0x140 [ 146.594152][ T8214] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.600073][ T8214] RIP: 0033:0x444189 [ 146.604043][ T8214] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 146.623672][ T8214] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.632097][ T8214] RAX: ffffffffffffffda RBX: 0000000000023b2c RCX: 0000000000444189 [ 146.640094][ T8214] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.648070][ T8214] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 146.656052][ T8214] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 146.664053][ T8214] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.672053][ T8214] [ 146.674375][ T8214] Uninit was created at: [ 146.678692][ T8214] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.684434][ T8214] kmsan_slab_alloc+0x8d/0xe0 [ 146.689150][ T8214] __kmalloc+0x378/0x560 [ 146.693421][ T8214] i2cdev_read+0x128/0x350 [ 146.698237][ T8214] vfs_read+0x533/0x15a0 [ 146.702645][ T8214] ksys_read+0x275/0x500 [ 146.707132][ T8214] __se_sys_read+0x92/0xb0 [ 146.711613][ T8214] __x64_sys_read+0x4a/0x70 [ 146.716147][ T8214] do_syscall_64+0x9f/0x140 [ 146.720676][ T8214] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program [ 146.726615][ T8214] [ 146.728949][ T8214] Bytes 0-4095 of 4096 are uninitialized [ 146.734578][ T8214] Memory access of size 4096 starts at ffff88812e506000 [ 146.741544][ T8214] Data copied to user address 0000000020000480 [ 146.747706][ T8214] ===================================================== [ 146.772862][ T8215] ===================================================== [ 146.779863][ T8215] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 146.787432][ T8215] CPU: 1 PID: 8215 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.797617][ T8215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.807692][ T8215] Call Trace: [ 146.810986][ T8215] dump_stack+0x21c/0x280 [ 146.815341][ T8215] kmsan_report+0xfb/0x1e0 [ 146.819821][ T8215] kmsan_internal_check_memory+0x484/0x520 [ 146.825657][ T8215] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 146.831763][ T8215] ? should_fail+0x72/0x9e0 [ 146.836302][ T8215] kmsan_copy_to_user+0x9c/0xb0 [ 146.841556][ T8215] _copy_to_user+0x1ac/0x270 [ 146.846180][ T8215] i2cdev_read+0x23d/0x350 [ 146.850669][ T8215] ? put_i2c_dev+0x2c0/0x2c0 [ 146.855283][ T8215] vfs_read+0x533/0x15a0 [ 146.859569][ T8215] ? __fget_light+0x249/0x850 [ 146.864267][ T8215] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.869924][ T8215] ? kmsan_get_metadata+0x116/0x180 [ 146.875160][ T8215] ksys_read+0x275/0x500 [ 146.879683][ T8215] __se_sys_read+0x92/0xb0 [ 146.884447][ T8215] __x64_sys_read+0x4a/0x70 [ 146.889002][ T8215] do_syscall_64+0x9f/0x140 [ 146.893573][ T8215] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 146.899495][ T8215] RIP: 0033:0x444189 [ 146.903397][ T8215] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 146.923272][ T8215] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.931702][ T8215] RAX: ffffffffffffffda RBX: 0000000000023c58 RCX: 0000000000444189 [ 146.939710][ T8215] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.947718][ T8215] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 146.955711][ T8215] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 146.963785][ T8215] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.971765][ T8215] [ 146.974085][ T8215] Uninit was created at: [ 146.978327][ T8215] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.984075][ T8215] kmsan_slab_alloc+0x8d/0xe0 [ 146.988782][ T8215] __kmalloc+0x378/0x560 [ 146.993066][ T8215] i2cdev_read+0x128/0x350 [ 146.997529][ T8215] vfs_read+0x533/0x15a0 [ 147.001802][ T8215] ksys_read+0x275/0x500 [ 147.006332][ T8215] __se_sys_read+0x92/0xb0 [ 147.010767][ T8215] __x64_sys_read+0x4a/0x70 [ 147.015297][ T8215] do_syscall_64+0x9f/0x140 [ 147.019835][ T8215] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.025840][ T8215] executing program [ 147.028195][ T8215] Bytes 0-4095 of 4096 are uninitialized [ 147.033888][ T8215] Memory access of size 4096 starts at ffff88812e506000 [ 147.040852][ T8215] Data copied to user address 0000000020000480 [ 147.047410][ T8215] ===================================================== [ 147.089461][ T8216] ===================================================== [ 147.096463][ T8216] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.104001][ T8216] CPU: 1 PID: 8216 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.114290][ T8216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.124448][ T8216] Call Trace: [ 147.127768][ T8216] dump_stack+0x21c/0x280 [ 147.132432][ T8216] kmsan_report+0xfb/0x1e0 [ 147.136921][ T8216] kmsan_internal_check_memory+0x484/0x520 [ 147.142838][ T8216] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.149880][ T8216] ? should_fail+0x72/0x9e0 [ 147.154404][ T8216] kmsan_copy_to_user+0x9c/0xb0 [ 147.159544][ T8216] _copy_to_user+0x1ac/0x270 [ 147.164162][ T8216] i2cdev_read+0x23d/0x350 [ 147.168648][ T8216] ? put_i2c_dev+0x2c0/0x2c0 [ 147.173525][ T8216] vfs_read+0x533/0x15a0 [ 147.177813][ T8216] ? __fget_light+0x249/0x850 [ 147.182556][ T8216] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.188474][ T8216] ? kmsan_get_metadata+0x116/0x180 [ 147.193902][ T8216] ksys_read+0x275/0x500 [ 147.198178][ T8216] __se_sys_read+0x92/0xb0 [ 147.202674][ T8216] __x64_sys_read+0x4a/0x70 [ 147.207311][ T8216] do_syscall_64+0x9f/0x140 [ 147.211833][ T8216] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.217770][ T8216] RIP: 0033:0x444189 [ 147.221689][ T8216] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 147.241338][ T8216] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 147.249760][ T8216] RAX: ffffffffffffffda RBX: 0000000000023d82 RCX: 0000000000444189 [ 147.257796][ T8216] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 147.265908][ T8216] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 147.273916][ T8216] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 147.281902][ T8216] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 147.289905][ T8216] [ 147.292243][ T8216] Uninit was created at: [ 147.296774][ T8216] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.302638][ T8216] kmsan_slab_alloc+0x8d/0xe0 [ 147.307349][ T8216] __kmalloc+0x378/0x560 [ 147.311662][ T8216] i2cdev_read+0x128/0x350 [ 147.316090][ T8216] vfs_read+0x533/0x15a0 [ 147.320361][ T8216] ksys_read+0x275/0x500 [ 147.324629][ T8216] __se_sys_read+0x92/0xb0 [ 147.329094][ T8216] __x64_sys_read+0x4a/0x70 [ 147.333625][ T8216] do_syscall_64+0x9f/0x140 executing program [ 147.338143][ T8216] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.344063][ T8216] [ 147.346397][ T8216] Bytes 0-4095 of 4096 are uninitialized [ 147.352045][ T8216] Memory access of size 4096 starts at ffff88812e506000 [ 147.359071][ T8216] Data copied to user address 0000000020000480 [ 147.365239][ T8216] ===================================================== [ 147.393149][ T8217] ===================================================== [ 147.400145][ T8217] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.407684][ T8217] CPU: 1 PID: 8217 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.418003][ T8217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.428117][ T8217] Call Trace: [ 147.431557][ T8217] dump_stack+0x21c/0x280 [ 147.435978][ T8217] kmsan_report+0xfb/0x1e0 [ 147.440428][ T8217] kmsan_internal_check_memory+0x484/0x520 [ 147.446737][ T8217] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.452870][ T8217] ? should_fail+0x72/0x9e0 [ 147.457610][ T8217] kmsan_copy_to_user+0x9c/0xb0 [ 147.462692][ T8217] _copy_to_user+0x1ac/0x270 [ 147.467322][ T8217] i2cdev_read+0x23d/0x350 [ 147.471775][ T8217] ? put_i2c_dev+0x2c0/0x2c0 [ 147.476410][ T8217] vfs_read+0x533/0x15a0 [ 147.480702][ T8217] ? __fget_light+0x249/0x850 [ 147.485573][ T8217] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.491265][ T8217] ? kmsan_get_metadata+0x116/0x180 [ 147.496528][ T8217] ksys_read+0x275/0x500 [ 147.500804][ T8217] __se_sys_read+0x92/0xb0 [ 147.505290][ T8217] __x64_sys_read+0x4a/0x70 [ 147.509820][ T8217] do_syscall_64+0x9f/0x140 [ 147.514376][ T8217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.520307][ T8217] RIP: 0033:0x444189 [ 147.524245][ T8217] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 147.544177][ T8217] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 147.552609][ T8217] RAX: ffffffffffffffda RBX: 0000000000023eba RCX: 0000000000444189 [ 147.560624][ T8217] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 147.568613][ T8217] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 147.576595][ T8217] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 147.584582][ T8217] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 147.592585][ T8217] [ 147.594929][ T8217] Uninit was created at: [ 147.599170][ T8217] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.604932][ T8217] kmsan_slab_alloc+0x8d/0xe0 [ 147.609636][ T8217] __kmalloc+0x378/0x560 [ 147.613902][ T8217] i2cdev_read+0x128/0x350 [ 147.618329][ T8217] vfs_read+0x533/0x15a0 [ 147.622615][ T8217] ksys_read+0x275/0x500 [ 147.626918][ T8217] __se_sys_read+0x92/0xb0 [ 147.631385][ T8217] __x64_sys_read+0x4a/0x70 [ 147.635921][ T8217] do_syscall_64+0x9f/0x140 executing program [ 147.640450][ T8217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.646381][ T8217] [ 147.648720][ T8217] Bytes 0-4095 of 4096 are uninitialized [ 147.654363][ T8217] Memory access of size 4096 starts at ffff88812e506000 [ 147.661326][ T8217] Data copied to user address 0000000020000480 [ 147.667514][ T8217] ===================================================== [ 147.692349][ T8218] ===================================================== [ 147.699357][ T8218] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.707049][ T8218] CPU: 1 PID: 8218 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.717369][ T8218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.727826][ T8218] Call Trace: [ 147.731355][ T8218] dump_stack+0x21c/0x280 [ 147.735742][ T8218] kmsan_report+0xfb/0x1e0 [ 147.740217][ T8218] kmsan_internal_check_memory+0x484/0x520 [ 147.746206][ T8218] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 147.752308][ T8218] ? should_fail+0x72/0x9e0 [ 147.756830][ T8218] kmsan_copy_to_user+0x9c/0xb0 [ 147.761808][ T8218] _copy_to_user+0x1ac/0x270 [ 147.766728][ T8218] i2cdev_read+0x23d/0x350 [ 147.771176][ T8218] ? put_i2c_dev+0x2c0/0x2c0 [ 147.775800][ T8218] vfs_read+0x533/0x15a0 [ 147.780201][ T8218] ? __fget_light+0x249/0x850 [ 147.784919][ T8218] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.790594][ T8218] ? kmsan_get_metadata+0x116/0x180 [ 147.795853][ T8218] ksys_read+0x275/0x500 [ 147.800119][ T8218] __se_sys_read+0x92/0xb0 [ 147.804685][ T8218] __x64_sys_read+0x4a/0x70 [ 147.809473][ T8218] do_syscall_64+0x9f/0x140 [ 147.814105][ T8218] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.820310][ T8218] RIP: 0033:0x444189 [ 147.824233][ T8218] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 147.843856][ T8218] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 147.852303][ T8218] RAX: ffffffffffffffda RBX: 0000000000023fe9 RCX: 0000000000444189 [ 147.860307][ T8218] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 147.868325][ T8218] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 147.876429][ T8218] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 147.884430][ T8218] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 147.892427][ T8218] [ 147.894750][ T8218] Uninit was created at: [ 147.898998][ T8218] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.904742][ T8218] kmsan_slab_alloc+0x8d/0xe0 [ 147.909453][ T8218] __kmalloc+0x378/0x560 [ 147.913728][ T8218] i2cdev_read+0x128/0x350 [ 147.918180][ T8218] vfs_read+0x533/0x15a0 [ 147.922441][ T8218] ksys_read+0x275/0x500 [ 147.926699][ T8218] __se_sys_read+0x92/0xb0 [ 147.931130][ T8218] __x64_sys_read+0x4a/0x70 [ 147.935691][ T8218] do_syscall_64+0x9f/0x140 executing program [ 147.940230][ T8218] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 147.946156][ T8218] [ 147.948485][ T8218] Bytes 0-4095 of 4096 are uninitialized [ 147.954111][ T8218] Memory access of size 4096 starts at ffff88812e506000 [ 147.961046][ T8218] Data copied to user address 0000000020000480 [ 147.967223][ T8218] ===================================================== [ 147.990857][ T8219] ===================================================== [ 147.997861][ T8219] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.005380][ T8219] CPU: 0 PID: 8219 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.015655][ T8219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.025940][ T8219] Call Trace: [ 148.029310][ T8219] dump_stack+0x21c/0x280 [ 148.034458][ T8219] kmsan_report+0xfb/0x1e0 [ 148.038910][ T8219] kmsan_internal_check_memory+0x484/0x520 [ 148.044778][ T8219] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.050941][ T8219] ? should_fail+0x72/0x9e0 [ 148.055476][ T8219] kmsan_copy_to_user+0x9c/0xb0 [ 148.060556][ T8219] _copy_to_user+0x1ac/0x270 [ 148.065316][ T8219] i2cdev_read+0x23d/0x350 [ 148.069814][ T8219] ? put_i2c_dev+0x2c0/0x2c0 [ 148.074442][ T8219] vfs_read+0x533/0x15a0 [ 148.078723][ T8219] ? __fget_light+0x249/0x850 [ 148.083414][ T8219] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.089078][ T8219] ? kmsan_get_metadata+0x116/0x180 [ 148.094345][ T8219] ksys_read+0x275/0x500 [ 148.098657][ T8219] __se_sys_read+0x92/0xb0 [ 148.103094][ T8219] __x64_sys_read+0x4a/0x70 [ 148.107634][ T8219] do_syscall_64+0x9f/0x140 [ 148.112158][ T8219] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.118094][ T8219] RIP: 0033:0x444189 [ 148.122005][ T8219] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 148.141881][ T8219] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.150302][ T8219] RAX: ffffffffffffffda RBX: 0000000000024119 RCX: 0000000000444189 [ 148.158283][ T8219] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.166279][ T8219] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 148.174261][ T8219] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 148.182272][ T8219] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 148.190699][ T8219] [ 148.193305][ T8219] Uninit was created at: [ 148.197547][ T8219] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.203296][ T8219] kmsan_slab_alloc+0x8d/0xe0 [ 148.208016][ T8219] __kmalloc+0x378/0x560 [ 148.212324][ T8219] i2cdev_read+0x128/0x350 [ 148.216776][ T8219] vfs_read+0x533/0x15a0 [ 148.221056][ T8219] ksys_read+0x275/0x500 [ 148.225346][ T8219] __se_sys_read+0x92/0xb0 [ 148.229781][ T8219] __x64_sys_read+0x4a/0x70 [ 148.234313][ T8219] do_syscall_64+0x9f/0x140 [ 148.238846][ T8219] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.244776][ T8219] executing program [ 148.247223][ T8219] Bytes 0-4095 of 4096 are uninitialized [ 148.253058][ T8219] Memory access of size 4096 starts at ffff88812e48b000 [ 148.260005][ T8219] Data copied to user address 0000000020000480 [ 148.266178][ T8219] ===================================================== [ 148.290239][ T8220] ===================================================== [ 148.297250][ T8220] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.304781][ T8220] CPU: 0 PID: 8220 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.314976][ T8220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.325188][ T8220] Call Trace: [ 148.328532][ T8220] dump_stack+0x21c/0x280 [ 148.332905][ T8220] kmsan_report+0xfb/0x1e0 [ 148.337476][ T8220] kmsan_internal_check_memory+0x484/0x520 [ 148.344356][ T8220] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.350448][ T8220] ? should_fail+0x72/0x9e0 [ 148.354972][ T8220] kmsan_copy_to_user+0x9c/0xb0 [ 148.359849][ T8220] _copy_to_user+0x1ac/0x270 [ 148.364584][ T8220] i2cdev_read+0x23d/0x350 [ 148.369065][ T8220] ? put_i2c_dev+0x2c0/0x2c0 [ 148.373709][ T8220] vfs_read+0x533/0x15a0 [ 148.377976][ T8220] ? __fget_light+0x249/0x850 [ 148.382700][ T8220] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.388361][ T8220] ? kmsan_get_metadata+0x116/0x180 [ 148.393584][ T8220] ksys_read+0x275/0x500 [ 148.397846][ T8220] __se_sys_read+0x92/0xb0 [ 148.402279][ T8220] __x64_sys_read+0x4a/0x70 [ 148.406804][ T8220] do_syscall_64+0x9f/0x140 [ 148.411349][ T8220] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.417298][ T8220] RIP: 0033:0x444189 [ 148.421266][ T8220] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 148.440924][ T8220] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.449352][ T8220] RAX: ffffffffffffffda RBX: 0000000000024244 RCX: 0000000000444189 [ 148.457773][ T8220] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.465759][ T8220] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 148.473764][ T8220] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 148.481753][ T8220] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 148.489739][ T8220] [ 148.492063][ T8220] Uninit was created at: [ 148.496399][ T8220] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.502139][ T8220] kmsan_slab_alloc+0x8d/0xe0 [ 148.506836][ T8220] __kmalloc+0x378/0x560 [ 148.511093][ T8220] i2cdev_read+0x128/0x350 [ 148.515519][ T8220] vfs_read+0x533/0x15a0 [ 148.519793][ T8220] ksys_read+0x275/0x500 [ 148.524101][ T8220] __se_sys_read+0x92/0xb0 [ 148.528709][ T8220] __x64_sys_read+0x4a/0x70 [ 148.533366][ T8220] do_syscall_64+0x9f/0x140 [ 148.538072][ T8220] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.544022][ T8220] executing program [ 148.546516][ T8220] Bytes 0-4095 of 4096 are uninitialized [ 148.552154][ T8220] Memory access of size 4096 starts at ffff88812e48b000 [ 148.559241][ T8220] Data copied to user address 0000000020000480 [ 148.565423][ T8220] ===================================================== [ 148.587478][ T8221] ===================================================== [ 148.594480][ T8221] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.601999][ T8221] CPU: 0 PID: 8221 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.612219][ T8221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.622303][ T8221] Call Trace: [ 148.625632][ T8221] dump_stack+0x21c/0x280 [ 148.630027][ T8221] kmsan_report+0xfb/0x1e0 [ 148.634465][ T8221] kmsan_internal_check_memory+0x484/0x520 [ 148.640297][ T8221] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.646428][ T8221] ? should_fail+0x72/0x9e0 [ 148.650947][ T8221] kmsan_copy_to_user+0x9c/0xb0 [ 148.655820][ T8221] _copy_to_user+0x1ac/0x270 [ 148.660427][ T8221] i2cdev_read+0x23d/0x350 [ 148.664865][ T8221] ? put_i2c_dev+0x2c0/0x2c0 [ 148.669482][ T8221] vfs_read+0x533/0x15a0 [ 148.673756][ T8221] ? __fget_light+0x249/0x850 [ 148.678453][ T8221] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.684128][ T8221] ? kmsan_get_metadata+0x116/0x180 [ 148.689355][ T8221] ksys_read+0x275/0x500 [ 148.693621][ T8221] __se_sys_read+0x92/0xb0 [ 148.698060][ T8221] __x64_sys_read+0x4a/0x70 [ 148.702586][ T8221] do_syscall_64+0x9f/0x140 [ 148.707131][ T8221] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.713055][ T8221] RIP: 0033:0x444189 [ 148.716959][ T8221] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 148.736681][ T8221] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.745361][ T8221] RAX: ffffffffffffffda RBX: 0000000000024371 RCX: 0000000000444189 [ 148.753664][ T8221] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.761652][ T8221] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 148.769745][ T8221] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 148.777751][ T8221] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 148.785826][ T8221] [ 148.788170][ T8221] Uninit was created at: [ 148.792428][ T8221] kmsan_internal_poison_shadow+0x5c/0xf0 executing program [ 148.798173][ T8221] kmsan_slab_alloc+0x8d/0xe0 [ 148.803001][ T8221] __kmalloc+0x378/0x560 [ 148.807257][ T8221] i2cdev_read+0x128/0x350 [ 148.811706][ T8221] vfs_read+0x533/0x15a0 [ 148.815966][ T8221] ksys_read+0x275/0x500 [ 148.820237][ T8221] __se_sys_read+0x92/0xb0 [ 148.824698][ T8221] __x64_sys_read+0x4a/0x70 [ 148.829257][ T8221] do_syscall_64+0x9f/0x140 [ 148.833791][ T8221] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 148.839839][ T8221] [ 148.842177][ T8221] Bytes 0-4095 of 4096 are uninitialized [ 148.847917][ T8221] Memory access of size 4096 starts at ffff88812e48b000 [ 148.854876][ T8221] Data copied to user address 0000000020000480 [ 148.861078][ T8221] ===================================================== [ 148.882005][ T8222] ===================================================== [ 148.888996][ T8222] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.896507][ T8222] CPU: 0 PID: 8222 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.906692][ T8222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.916901][ T8222] Call Trace: [ 148.920192][ T8222] dump_stack+0x21c/0x280 [ 148.924541][ T8222] kmsan_report+0xfb/0x1e0 [ 148.928995][ T8222] kmsan_internal_check_memory+0x484/0x520 [ 148.934825][ T8222] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 148.940918][ T8222] ? should_fail+0x72/0x9e0 [ 148.945481][ T8222] kmsan_copy_to_user+0x9c/0xb0 [ 148.950474][ T8222] _copy_to_user+0x1ac/0x270 [ 148.955208][ T8222] i2cdev_read+0x23d/0x350 [ 148.959681][ T8222] ? put_i2c_dev+0x2c0/0x2c0 [ 148.964299][ T8222] vfs_read+0x533/0x15a0 [ 148.968645][ T8222] ? __fget_light+0x249/0x850 [ 148.973354][ T8222] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.979022][ T8222] ? kmsan_get_metadata+0x116/0x180 [ 148.984241][ T8222] ksys_read+0x275/0x500 [ 148.988790][ T8222] __se_sys_read+0x92/0xb0 [ 148.993250][ T8222] __x64_sys_read+0x4a/0x70 [ 148.997807][ T8222] do_syscall_64+0x9f/0x140 [ 149.002333][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.008246][ T8222] RIP: 0033:0x444189 [ 149.012174][ T8222] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 149.031896][ T8222] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.040330][ T8222] RAX: ffffffffffffffda RBX: 000000000002449b RCX: 0000000000444189 [ 149.048338][ T8222] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.056350][ T8222] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 149.064445][ T8222] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 149.072439][ T8222] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.080435][ T8222] [ 149.082793][ T8222] Uninit was created at: [ 149.087062][ T8222] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.092808][ T8222] kmsan_slab_alloc+0x8d/0xe0 executing program [ 149.097525][ T8222] __kmalloc+0x378/0x560 [ 149.101988][ T8222] i2cdev_read+0x128/0x350 [ 149.106422][ T8222] vfs_read+0x533/0x15a0 [ 149.110715][ T8222] ksys_read+0x275/0x500 [ 149.115363][ T8222] __se_sys_read+0x92/0xb0 [ 149.119809][ T8222] __x64_sys_read+0x4a/0x70 [ 149.124375][ T8222] do_syscall_64+0x9f/0x140 [ 149.128920][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.134858][ T8222] [ 149.137201][ T8222] Bytes 0-4095 of 4096 are uninitialized [ 149.142832][ T8222] Memory access of size 4096 starts at ffff88812e48b000 [ 149.149772][ T8222] Data copied to user address 0000000020000480 [ 149.155929][ T8222] ===================================================== [ 149.177468][ T8223] ===================================================== [ 149.184465][ T8223] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.192068][ T8223] CPU: 0 PID: 8223 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.202263][ T8223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.212373][ T8223] Call Trace: [ 149.215816][ T8223] dump_stack+0x21c/0x280 [ 149.220207][ T8223] kmsan_report+0xfb/0x1e0 [ 149.224650][ T8223] kmsan_internal_check_memory+0x484/0x520 [ 149.230498][ T8223] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.236741][ T8223] ? should_fail+0x72/0x9e0 [ 149.241381][ T8223] kmsan_copy_to_user+0x9c/0xb0 [ 149.246331][ T8223] _copy_to_user+0x1ac/0x270 [ 149.250942][ T8223] i2cdev_read+0x23d/0x350 [ 149.255386][ T8223] ? put_i2c_dev+0x2c0/0x2c0 [ 149.260045][ T8223] vfs_read+0x533/0x15a0 [ 149.264305][ T8223] ? __fget_light+0x249/0x850 [ 149.269001][ T8223] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.274772][ T8223] ? kmsan_get_metadata+0x116/0x180 [ 149.280055][ T8223] ksys_read+0x275/0x500 [ 149.284363][ T8223] __se_sys_read+0x92/0xb0 [ 149.288974][ T8223] __x64_sys_read+0x4a/0x70 [ 149.293558][ T8223] do_syscall_64+0x9f/0x140 [ 149.298116][ T8223] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.304303][ T8223] RIP: 0033:0x444189 [ 149.308328][ T8223] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 149.327981][ T8223] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.336597][ T8223] RAX: ffffffffffffffda RBX: 00000000000245c2 RCX: 0000000000444189 [ 149.344706][ T8223] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.352864][ T8223] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 149.360961][ T8223] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 149.368943][ T8223] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.377115][ T8223] [ 149.379463][ T8223] Uninit was created at: [ 149.383708][ T8223] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.389491][ T8223] kmsan_slab_alloc+0x8d/0xe0 [ 149.394722][ T8223] __kmalloc+0x378/0x560 executing program [ 149.399595][ T8223] i2cdev_read+0x128/0x350 [ 149.405198][ T8223] vfs_read+0x533/0x15a0 [ 149.409639][ T8223] ksys_read+0x275/0x500 [ 149.414007][ T8223] __se_sys_read+0x92/0xb0 [ 149.418991][ T8223] __x64_sys_read+0x4a/0x70 [ 149.423545][ T8223] do_syscall_64+0x9f/0x140 [ 149.428069][ T8223] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.433997][ T8223] [ 149.436320][ T8223] Bytes 0-4095 of 4096 are uninitialized [ 149.441963][ T8223] Memory access of size 4096 starts at ffff88812e48b000 [ 149.448920][ T8223] Data copied to user address 0000000020000480 [ 149.455087][ T8223] ===================================================== [ 149.475090][ T8224] ===================================================== [ 149.482214][ T8224] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.489743][ T8224] CPU: 0 PID: 8224 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.499946][ T8224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.510115][ T8224] Call Trace: [ 149.513421][ T8224] dump_stack+0x21c/0x280 [ 149.517782][ T8224] kmsan_report+0xfb/0x1e0 [ 149.522241][ T8224] kmsan_internal_check_memory+0x484/0x520 [ 149.528107][ T8224] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.534344][ T8224] ? should_fail+0x72/0x9e0 [ 149.538947][ T8224] kmsan_copy_to_user+0x9c/0xb0 [ 149.543824][ T8224] _copy_to_user+0x1ac/0x270 [ 149.548455][ T8224] i2cdev_read+0x23d/0x350 [ 149.553117][ T8224] ? put_i2c_dev+0x2c0/0x2c0 [ 149.557755][ T8224] vfs_read+0x533/0x15a0 [ 149.562049][ T8224] ? __fget_light+0x249/0x850 [ 149.566891][ T8224] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.572601][ T8224] ? kmsan_get_metadata+0x116/0x180 [ 149.578530][ T8224] ksys_read+0x275/0x500 [ 149.582956][ T8224] __se_sys_read+0x92/0xb0 [ 149.587527][ T8224] __x64_sys_read+0x4a/0x70 [ 149.592084][ T8224] do_syscall_64+0x9f/0x140 [ 149.597037][ T8224] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.603152][ T8224] RIP: 0033:0x444189 [ 149.607095][ T8224] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 149.627834][ T8224] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.636357][ T8224] RAX: ffffffffffffffda RBX: 00000000000246e9 RCX: 0000000000444189 [ 149.644348][ T8224] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.652360][ T8224] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 149.661654][ T8224] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 149.669653][ T8224] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.677640][ T8224] [ 149.679977][ T8224] Uninit was created at: [ 149.684238][ T8224] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.689983][ T8224] kmsan_slab_alloc+0x8d/0xe0 [ 149.694675][ T8224] __kmalloc+0x378/0x560 [ 149.699017][ T8224] i2cdev_read+0x128/0x350 executing program [ 149.703565][ T8224] vfs_read+0x533/0x15a0 [ 149.707838][ T8224] ksys_read+0x275/0x500 [ 149.712717][ T8224] __se_sys_read+0x92/0xb0 [ 149.717163][ T8224] __x64_sys_read+0x4a/0x70 [ 149.721708][ T8224] do_syscall_64+0x9f/0x140 [ 149.726565][ T8224] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.732814][ T8224] [ 149.735369][ T8224] Bytes 0-4095 of 4096 are uninitialized [ 149.741229][ T8224] Memory access of size 4096 starts at ffff88812e48b000 [ 149.748618][ T8224] Data copied to user address 0000000020000480 [ 149.754861][ T8224] ===================================================== [ 149.774939][ T8225] ===================================================== [ 149.782028][ T8225] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.789544][ T8225] CPU: 0 PID: 8225 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.799738][ T8225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.809815][ T8225] Call Trace: [ 149.813106][ T8225] dump_stack+0x21c/0x280 [ 149.818032][ T8225] kmsan_report+0xfb/0x1e0 [ 149.822490][ T8225] kmsan_internal_check_memory+0x484/0x520 [ 149.828315][ T8225] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 149.834693][ T8225] ? should_fail+0x72/0x9e0 [ 149.839264][ T8225] kmsan_copy_to_user+0x9c/0xb0 [ 149.844159][ T8225] _copy_to_user+0x1ac/0x270 [ 149.848781][ T8225] i2cdev_read+0x23d/0x350 [ 149.853257][ T8225] ? put_i2c_dev+0x2c0/0x2c0 [ 149.857892][ T8225] vfs_read+0x533/0x15a0 [ 149.862256][ T8225] ? __fget_light+0x249/0x850 [ 149.866970][ T8225] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.872643][ T8225] ? kmsan_get_metadata+0x116/0x180 [ 149.878395][ T8225] ksys_read+0x275/0x500 [ 149.882667][ T8225] __se_sys_read+0x92/0xb0 [ 149.887128][ T8225] __x64_sys_read+0x4a/0x70 [ 149.891671][ T8225] do_syscall_64+0x9f/0x140 [ 149.896254][ T8225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 149.902200][ T8225] RIP: 0033:0x444189 [ 149.906121][ T8225] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 149.925835][ T8225] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.934280][ T8225] RAX: ffffffffffffffda RBX: 0000000000024812 RCX: 0000000000444189 [ 149.942263][ T8225] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.950280][ T8225] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 149.958352][ T8225] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 149.966346][ T8225] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.974342][ T8225] [ 149.976670][ T8225] Uninit was created at: [ 149.980904][ T8225] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.986669][ T8225] kmsan_slab_alloc+0x8d/0xe0 [ 149.991398][ T8225] __kmalloc+0x378/0x560 [ 149.995664][ T8225] i2cdev_read+0x128/0x350 [ 150.000103][ T8225] vfs_read+0x533/0x15a0 executing program [ 150.004527][ T8225] ksys_read+0x275/0x500 [ 150.008821][ T8225] __se_sys_read+0x92/0xb0 [ 150.013275][ T8225] __x64_sys_read+0x4a/0x70 [ 150.017807][ T8225] do_syscall_64+0x9f/0x140 [ 150.022388][ T8225] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.028336][ T8225] [ 150.030704][ T8225] Bytes 0-4095 of 4096 are uninitialized [ 150.036343][ T8225] Memory access of size 4096 starts at ffff88812e48b000 [ 150.043283][ T8225] Data copied to user address 0000000020000480 [ 150.049444][ T8225] ===================================================== [ 150.069740][ T8226] ===================================================== [ 150.078145][ T8226] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.085743][ T8226] CPU: 1 PID: 8226 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.095927][ T8226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.106073][ T8226] Call Trace: [ 150.109376][ T8226] dump_stack+0x21c/0x280 [ 150.113900][ T8226] kmsan_report+0xfb/0x1e0 [ 150.118498][ T8226] kmsan_internal_check_memory+0x484/0x520 [ 150.124674][ T8226] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.130771][ T8226] ? should_fail+0x72/0x9e0 [ 150.137491][ T8226] kmsan_copy_to_user+0x9c/0xb0 [ 150.142484][ T8226] _copy_to_user+0x1ac/0x270 [ 150.147137][ T8226] i2cdev_read+0x23d/0x350 [ 150.151813][ T8226] ? put_i2c_dev+0x2c0/0x2c0 [ 150.156423][ T8226] vfs_read+0x533/0x15a0 [ 150.160717][ T8226] ? __fget_light+0x249/0x850 [ 150.165515][ T8226] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.171312][ T8226] ? kmsan_get_metadata+0x116/0x180 [ 150.176601][ T8226] ksys_read+0x275/0x500 [ 150.180878][ T8226] __se_sys_read+0x92/0xb0 [ 150.185373][ T8226] __x64_sys_read+0x4a/0x70 [ 150.189913][ T8226] do_syscall_64+0x9f/0x140 [ 150.194752][ T8226] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.200723][ T8226] RIP: 0033:0x444189 [ 150.204659][ T8226] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 150.224481][ T8226] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.232902][ T8226] RAX: ffffffffffffffda RBX: 000000000002493e RCX: 0000000000444189 [ 150.242029][ T8226] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.250140][ T8226] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 150.259565][ T8226] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 150.267643][ T8226] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 150.275693][ T8226] [ 150.278046][ T8226] Uninit was created at: [ 150.282300][ T8226] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.288169][ T8226] kmsan_slab_alloc+0x8d/0xe0 [ 150.292928][ T8226] __kmalloc+0x378/0x560 [ 150.297205][ T8226] i2cdev_read+0x128/0x350 [ 150.301882][ T8226] vfs_read+0x533/0x15a0 executing program [ 150.306191][ T8226] ksys_read+0x275/0x500 [ 150.310637][ T8226] __se_sys_read+0x92/0xb0 [ 150.315113][ T8226] __x64_sys_read+0x4a/0x70 [ 150.319687][ T8226] do_syscall_64+0x9f/0x140 [ 150.324217][ T8226] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.330137][ T8226] [ 150.332482][ T8226] Bytes 0-4095 of 4096 are uninitialized [ 150.338163][ T8226] Memory access of size 4096 starts at ffff88812e506000 [ 150.345133][ T8226] Data copied to user address 0000000020000480 [ 150.351377][ T8226] ===================================================== [ 150.375686][ T8227] ===================================================== [ 150.382663][ T8227] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.390177][ T8227] CPU: 1 PID: 8227 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.400394][ T8227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.410463][ T8227] Call Trace: [ 150.413755][ T8227] dump_stack+0x21c/0x280 [ 150.418112][ T8227] kmsan_report+0xfb/0x1e0 [ 150.422562][ T8227] kmsan_internal_check_memory+0x484/0x520 [ 150.428409][ T8227] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.434499][ T8227] ? should_fail+0x72/0x9e0 [ 150.439030][ T8227] kmsan_copy_to_user+0x9c/0xb0 [ 150.443911][ T8227] _copy_to_user+0x1ac/0x270 [ 150.448676][ T8227] i2cdev_read+0x23d/0x350 [ 150.453232][ T8227] ? put_i2c_dev+0x2c0/0x2c0 [ 150.460189][ T8227] vfs_read+0x533/0x15a0 [ 150.464479][ T8227] ? __fget_light+0x249/0x850 [ 150.469200][ T8227] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.474990][ T8227] ? kmsan_get_metadata+0x116/0x180 [ 150.480212][ T8227] ksys_read+0x275/0x500 [ 150.484479][ T8227] __se_sys_read+0x92/0xb0 [ 150.488910][ T8227] __x64_sys_read+0x4a/0x70 [ 150.493436][ T8227] do_syscall_64+0x9f/0x140 [ 150.497979][ T8227] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.503889][ T8227] RIP: 0033:0x444189 [ 150.507788][ T8227] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 150.527420][ T8227] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.535946][ T8227] RAX: ffffffffffffffda RBX: 0000000000024a64 RCX: 0000000000444189 [ 150.545173][ T8227] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.553244][ T8227] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 150.561247][ T8227] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 150.569251][ T8227] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 150.577701][ T8227] [ 150.580059][ T8227] Uninit was created at: [ 150.584316][ T8227] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.590491][ T8227] kmsan_slab_alloc+0x8d/0xe0 [ 150.595195][ T8227] __kmalloc+0x378/0x560 [ 150.599536][ T8227] i2cdev_read+0x128/0x350 [ 150.603986][ T8227] vfs_read+0x533/0x15a0 executing program [ 150.608257][ T8227] ksys_read+0x275/0x500 [ 150.612522][ T8227] __se_sys_read+0x92/0xb0 [ 150.616954][ T8227] __x64_sys_read+0x4a/0x70 [ 150.621497][ T8227] do_syscall_64+0x9f/0x140 [ 150.626016][ T8227] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.631943][ T8227] [ 150.634272][ T8227] Bytes 0-4095 of 4096 are uninitialized [ 150.640283][ T8227] Memory access of size 4096 starts at ffff88812e506000 [ 150.647245][ T8227] Data copied to user address 0000000020000480 [ 150.653410][ T8227] ===================================================== [ 150.675048][ T8228] ===================================================== [ 150.682041][ T8228] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.689671][ T8228] CPU: 1 PID: 8228 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.699866][ T8228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.710750][ T8228] Call Trace: [ 150.714053][ T8228] dump_stack+0x21c/0x280 [ 150.718723][ T8228] kmsan_report+0xfb/0x1e0 [ 150.723689][ T8228] kmsan_internal_check_memory+0x484/0x520 [ 150.730340][ T8228] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 150.737279][ T8228] ? should_fail+0x72/0x9e0 [ 150.741837][ T8228] kmsan_copy_to_user+0x9c/0xb0 [ 150.746743][ T8228] _copy_to_user+0x1ac/0x270 [ 150.751432][ T8228] i2cdev_read+0x23d/0x350 [ 150.756059][ T8228] ? put_i2c_dev+0x2c0/0x2c0 [ 150.761107][ T8228] vfs_read+0x533/0x15a0 [ 150.765411][ T8228] ? __fget_light+0x249/0x850 [ 150.770123][ T8228] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.775792][ T8228] ? kmsan_get_metadata+0x116/0x180 [ 150.781037][ T8228] ksys_read+0x275/0x500 [ 150.785301][ T8228] __se_sys_read+0x92/0xb0 [ 150.789750][ T8228] __x64_sys_read+0x4a/0x70 [ 150.794277][ T8228] do_syscall_64+0x9f/0x140 [ 150.798805][ T8228] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.804742][ T8228] RIP: 0033:0x444189 [ 150.808665][ T8228] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 150.828290][ T8228] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.836726][ T8228] RAX: ffffffffffffffda RBX: 0000000000024b96 RCX: 0000000000444189 [ 150.844702][ T8228] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.852694][ T8228] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 150.860769][ T8228] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 150.868757][ T8228] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 150.876742][ T8228] [ 150.879064][ T8228] Uninit was created at: [ 150.883293][ T8228] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.889076][ T8228] kmsan_slab_alloc+0x8d/0xe0 [ 150.893772][ T8228] __kmalloc+0x378/0x560 [ 150.898057][ T8228] i2cdev_read+0x128/0x350 [ 150.902506][ T8228] vfs_read+0x533/0x15a0 executing program [ 150.906762][ T8228] ksys_read+0x275/0x500 [ 150.911024][ T8228] __se_sys_read+0x92/0xb0 [ 150.915556][ T8228] __x64_sys_read+0x4a/0x70 [ 150.920071][ T8228] do_syscall_64+0x9f/0x140 [ 150.924604][ T8228] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 150.930524][ T8228] [ 150.932844][ T8228] Bytes 0-4095 of 4096 are uninitialized [ 150.938477][ T8228] Memory access of size 4096 starts at ffff88812e506000 [ 150.945682][ T8228] Data copied to user address 0000000020000480 [ 150.951868][ T8228] ===================================================== [ 150.973726][ T8229] ===================================================== [ 150.980751][ T8229] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.988267][ T8229] CPU: 1 PID: 8229 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.998473][ T8229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.008568][ T8229] Call Trace: [ 151.011865][ T8229] dump_stack+0x21c/0x280 [ 151.016277][ T8229] kmsan_report+0xfb/0x1e0 [ 151.020717][ T8229] kmsan_internal_check_memory+0x484/0x520 [ 151.026633][ T8229] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.032867][ T8229] ? should_fail+0x72/0x9e0 [ 151.037397][ T8229] kmsan_copy_to_user+0x9c/0xb0 [ 151.042331][ T8229] _copy_to_user+0x1ac/0x270 [ 151.046963][ T8229] i2cdev_read+0x23d/0x350 [ 151.051421][ T8229] ? put_i2c_dev+0x2c0/0x2c0 [ 151.056045][ T8229] vfs_read+0x533/0x15a0 [ 151.060329][ T8229] ? __fget_light+0x249/0x850 [ 151.065129][ T8229] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.072770][ T8229] ? kmsan_get_metadata+0x116/0x180 [ 151.078055][ T8229] ksys_read+0x275/0x500 [ 151.082317][ T8229] __se_sys_read+0x92/0xb0 [ 151.086778][ T8229] __x64_sys_read+0x4a/0x70 [ 151.091307][ T8229] do_syscall_64+0x9f/0x140 [ 151.095869][ T8229] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.101787][ T8229] RIP: 0033:0x444189 [ 151.105686][ T8229] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 151.125407][ T8229] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 151.133924][ T8229] RAX: ffffffffffffffda RBX: 0000000000024cc2 RCX: 0000000000444189 [ 151.142090][ T8229] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 151.150307][ T8229] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 151.158303][ T8229] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 151.166307][ T8229] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.174309][ T8229] [ 151.176663][ T8229] Uninit was created at: [ 151.180893][ T8229] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.186653][ T8229] kmsan_slab_alloc+0x8d/0xe0 [ 151.191348][ T8229] __kmalloc+0x378/0x560 [ 151.195615][ T8229] i2cdev_read+0x128/0x350 [ 151.200046][ T8229] vfs_read+0x533/0x15a0 [ 151.204346][ T8229] ksys_read+0x275/0x500 [ 151.208651][ T8229] __se_sys_read+0x92/0xb0 [ 151.213090][ T8229] __x64_sys_read+0x4a/0x70 [ 151.217841][ T8229] do_syscall_64+0x9f/0x140 executing program [ 151.222434][ T8229] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.228384][ T8229] [ 151.230722][ T8229] Bytes 0-4095 of 4096 are uninitialized [ 151.236406][ T8229] Memory access of size 4096 starts at ffff88812e506000 [ 151.243544][ T8229] Data copied to user address 0000000020000480 [ 151.250005][ T8229] ===================================================== [ 151.272189][ T8230] ===================================================== [ 151.279185][ T8230] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.286701][ T8230] CPU: 1 PID: 8230 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.297062][ T8230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.307417][ T8230] Call Trace: [ 151.310706][ T8230] dump_stack+0x21c/0x280 [ 151.315057][ T8230] kmsan_report+0xfb/0x1e0 [ 151.319745][ T8230] kmsan_internal_check_memory+0x484/0x520 [ 151.325578][ T8230] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.334373][ T8230] ? should_fail+0x72/0x9e0 [ 151.338935][ T8230] kmsan_copy_to_user+0x9c/0xb0 [ 151.343977][ T8230] _copy_to_user+0x1ac/0x270 [ 151.348612][ T8230] i2cdev_read+0x23d/0x350 [ 151.353211][ T8230] ? put_i2c_dev+0x2c0/0x2c0 [ 151.357846][ T8230] vfs_read+0x533/0x15a0 [ 151.362235][ T8230] ? __fget_light+0x249/0x850 [ 151.367054][ T8230] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.372870][ T8230] ? kmsan_get_metadata+0x116/0x180 [ 151.378104][ T8230] ksys_read+0x275/0x500 [ 151.382387][ T8230] __se_sys_read+0x92/0xb0 [ 151.386891][ T8230] __x64_sys_read+0x4a/0x70 [ 151.391423][ T8230] do_syscall_64+0x9f/0x140 [ 151.395959][ T8230] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.401880][ T8230] RIP: 0033:0x444189 [ 151.405778][ T8230] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 151.425499][ T8230] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 151.434010][ T8230] RAX: ffffffffffffffda RBX: 0000000000024ded RCX: 0000000000444189 [ 151.442011][ T8230] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 151.449995][ T8230] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 151.458060][ T8230] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 151.467024][ T8230] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.475967][ T8230] [ 151.478329][ T8230] Uninit was created at: [ 151.482658][ T8230] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.488403][ T8230] kmsan_slab_alloc+0x8d/0xe0 [ 151.493100][ T8230] __kmalloc+0x378/0x560 [ 151.497408][ T8230] i2cdev_read+0x128/0x350 [ 151.501910][ T8230] vfs_read+0x533/0x15a0 [ 151.506279][ T8230] ksys_read+0x275/0x500 [ 151.510538][ T8230] __se_sys_read+0x92/0xb0 [ 151.514990][ T8230] __x64_sys_read+0x4a/0x70 [ 151.519508][ T8230] do_syscall_64+0x9f/0x140 executing program [ 151.524314][ T8230] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.530350][ T8230] [ 151.532797][ T8230] Bytes 0-4095 of 4096 are uninitialized [ 151.538534][ T8230] Memory access of size 4096 starts at ffff88812e506000 [ 151.545574][ T8230] Data copied to user address 0000000020000480 [ 151.551736][ T8230] ===================================================== [ 151.573133][ T8231] ===================================================== [ 151.580137][ T8231] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.587761][ T8231] CPU: 1 PID: 8231 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.597943][ T8231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.608106][ T8231] Call Trace: [ 151.611391][ T8231] dump_stack+0x21c/0x280 [ 151.615826][ T8231] kmsan_report+0xfb/0x1e0 [ 151.620284][ T8231] kmsan_internal_check_memory+0x484/0x520 [ 151.626119][ T8231] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.632264][ T8231] ? should_fail+0x72/0x9e0 [ 151.637998][ T8231] kmsan_copy_to_user+0x9c/0xb0 [ 151.642864][ T8231] _copy_to_user+0x1ac/0x270 [ 151.647467][ T8231] i2cdev_read+0x23d/0x350 [ 151.651894][ T8231] ? put_i2c_dev+0x2c0/0x2c0 [ 151.656518][ T8231] vfs_read+0x533/0x15a0 [ 151.660773][ T8231] ? __fget_light+0x249/0x850 [ 151.665481][ T8231] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.671147][ T8231] ? kmsan_get_metadata+0x116/0x180 [ 151.676392][ T8231] ksys_read+0x275/0x500 [ 151.680658][ T8231] __se_sys_read+0x92/0xb0 [ 151.685108][ T8231] __x64_sys_read+0x4a/0x70 [ 151.689695][ T8231] do_syscall_64+0x9f/0x140 [ 151.694221][ T8231] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.700126][ T8231] RIP: 0033:0x444189 [ 151.704094][ T8231] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 151.723997][ T8231] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 151.732952][ T8231] RAX: ffffffffffffffda RBX: 0000000000024f17 RCX: 0000000000444189 [ 151.741003][ T8231] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 151.749974][ T8231] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 151.758092][ T8231] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 151.766088][ T8231] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.774090][ T8231] [ 151.776420][ T8231] Uninit was created at: [ 151.780650][ T8231] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.786400][ T8231] kmsan_slab_alloc+0x8d/0xe0 [ 151.791104][ T8231] __kmalloc+0x378/0x560 [ 151.795376][ T8231] i2cdev_read+0x128/0x350 [ 151.799796][ T8231] vfs_read+0x533/0x15a0 [ 151.804240][ T8231] ksys_read+0x275/0x500 [ 151.808510][ T8231] __se_sys_read+0x92/0xb0 [ 151.812948][ T8231] __x64_sys_read+0x4a/0x70 [ 151.817569][ T8231] do_syscall_64+0x9f/0x140 executing program [ 151.822091][ T8231] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.828125][ T8231] [ 151.830473][ T8231] Bytes 0-4095 of 4096 are uninitialized [ 151.836101][ T8231] Memory access of size 4096 starts at ffff88812e506000 [ 151.843047][ T8231] Data copied to user address 0000000020000480 [ 151.849212][ T8231] ===================================================== [ 151.871143][ T8232] ===================================================== [ 151.878143][ T8232] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.885852][ T8232] CPU: 1 PID: 8232 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.896032][ T8232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.906248][ T8232] Call Trace: [ 151.909538][ T8232] dump_stack+0x21c/0x280 [ 151.913892][ T8232] kmsan_report+0xfb/0x1e0 [ 151.918352][ T8232] kmsan_internal_check_memory+0x484/0x520 [ 151.924192][ T8232] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 151.930431][ T8232] ? should_fail+0x72/0x9e0 [ 151.934976][ T8232] kmsan_copy_to_user+0x9c/0xb0 [ 151.939848][ T8232] _copy_to_user+0x1ac/0x270 [ 151.944478][ T8232] i2cdev_read+0x23d/0x350 [ 151.948913][ T8232] ? put_i2c_dev+0x2c0/0x2c0 [ 151.953720][ T8232] vfs_read+0x533/0x15a0 [ 151.958002][ T8232] ? __fget_light+0x249/0x850 [ 151.962713][ T8232] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.968384][ T8232] ? kmsan_get_metadata+0x116/0x180 [ 151.973603][ T8232] ksys_read+0x275/0x500 [ 151.977866][ T8232] __se_sys_read+0x92/0xb0 [ 151.982298][ T8232] __x64_sys_read+0x4a/0x70 [ 151.986845][ T8232] do_syscall_64+0x9f/0x140 [ 151.991461][ T8232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 151.997510][ T8232] RIP: 0033:0x444189 [ 152.001492][ T8232] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 152.021105][ T8232] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 152.029524][ T8232] RAX: ffffffffffffffda RBX: 0000000000025044 RCX: 0000000000444189 [ 152.037502][ T8232] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 152.045481][ T8232] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 152.053499][ T8232] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 152.061482][ T8232] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 152.069470][ T8232] [ 152.071819][ T8232] Uninit was created at: [ 152.076054][ T8232] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.081839][ T8232] kmsan_slab_alloc+0x8d/0xe0 [ 152.086539][ T8232] __kmalloc+0x378/0x560 [ 152.090800][ T8232] i2cdev_read+0x128/0x350 [ 152.095256][ T8232] vfs_read+0x533/0x15a0 [ 152.099544][ T8232] ksys_read+0x275/0x500 [ 152.103809][ T8232] __se_sys_read+0x92/0xb0 [ 152.108238][ T8232] __x64_sys_read+0x4a/0x70 [ 152.112868][ T8232] do_syscall_64+0x9f/0x140 [ 152.117400][ T8232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.123590][ T8232] executing program [ 152.125916][ T8232] Bytes 0-4095 of 4096 are uninitialized [ 152.131684][ T8232] Memory access of size 4096 starts at ffff88812e506000 [ 152.138626][ T8232] Data copied to user address 0000000020000480 [ 152.144802][ T8232] ===================================================== [ 152.167859][ T8233] ===================================================== [ 152.174847][ T8233] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 152.182386][ T8233] CPU: 1 PID: 8233 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 152.192572][ T8233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.202761][ T8233] Call Trace: [ 152.206060][ T8233] dump_stack+0x21c/0x280 [ 152.210421][ T8233] kmsan_report+0xfb/0x1e0 [ 152.214981][ T8233] kmsan_internal_check_memory+0x484/0x520 [ 152.220849][ T8233] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.226949][ T8233] ? should_fail+0x72/0x9e0 [ 152.231510][ T8233] kmsan_copy_to_user+0x9c/0xb0 [ 152.236819][ T8233] _copy_to_user+0x1ac/0x270 [ 152.241453][ T8233] i2cdev_read+0x23d/0x350 [ 152.245939][ T8233] ? put_i2c_dev+0x2c0/0x2c0 [ 152.250935][ T8233] vfs_read+0x533/0x15a0 [ 152.255218][ T8233] ? __fget_light+0x249/0x850 [ 152.259972][ T8233] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.265733][ T8233] ? kmsan_get_metadata+0x116/0x180 [ 152.270983][ T8233] ksys_read+0x275/0x500 [ 152.275262][ T8233] __se_sys_read+0x92/0xb0 [ 152.279718][ T8233] __x64_sys_read+0x4a/0x70 [ 152.284235][ T8233] do_syscall_64+0x9f/0x140 [ 152.288780][ T8233] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.294706][ T8233] RIP: 0033:0x444189 [ 152.298604][ T8233] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 152.318227][ T8233] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 152.326661][ T8233] RAX: ffffffffffffffda RBX: 000000000002516e RCX: 0000000000444189 [ 152.335108][ T8233] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 152.343358][ T8233] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 152.351356][ T8233] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 152.359343][ T8233] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 152.367363][ T8233] [ 152.369696][ T8233] Uninit was created at: [ 152.373950][ T8233] kmsan_internal_poison_shadow+0x5c/0xf0 executing program [ 152.379690][ T8233] kmsan_slab_alloc+0x8d/0xe0 [ 152.384405][ T8233] __kmalloc+0x378/0x560 [ 152.388667][ T8233] i2cdev_read+0x128/0x350 [ 152.393134][ T8233] vfs_read+0x533/0x15a0 [ 152.397404][ T8233] ksys_read+0x275/0x500 [ 152.401735][ T8233] __se_sys_read+0x92/0xb0 [ 152.406345][ T8233] __x64_sys_read+0x4a/0x70 [ 152.410882][ T8233] do_syscall_64+0x9f/0x140 [ 152.415467][ T8233] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.421384][ T8233] [ 152.423856][ T8233] Bytes 0-4095 of 4096 are uninitialized [ 152.429526][ T8233] Memory access of size 4096 starts at ffff88812e506000 [ 152.436496][ T8233] Data copied to user address 0000000020000480 [ 152.442853][ T8233] ===================================================== [ 152.464861][ T8234] ===================================================== [ 152.471890][ T8234] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 152.479485][ T8234] CPU: 1 PID: 8234 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 152.489672][ T8234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.499904][ T8234] Call Trace: [ 152.503295][ T8234] dump_stack+0x21c/0x280 [ 152.507725][ T8234] kmsan_report+0xfb/0x1e0 [ 152.512188][ T8234] kmsan_internal_check_memory+0x484/0x520 [ 152.518038][ T8234] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.524144][ T8234] ? should_fail+0x72/0x9e0 [ 152.528664][ T8234] kmsan_copy_to_user+0x9c/0xb0 [ 152.533536][ T8234] _copy_to_user+0x1ac/0x270 [ 152.538143][ T8234] i2cdev_read+0x23d/0x350 [ 152.542584][ T8234] ? put_i2c_dev+0x2c0/0x2c0 [ 152.547203][ T8234] vfs_read+0x533/0x15a0 [ 152.551459][ T8234] ? __fget_light+0x249/0x850 [ 152.556151][ T8234] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.561807][ T8234] ? kmsan_get_metadata+0x116/0x180 [ 152.567039][ T8234] ksys_read+0x275/0x500 [ 152.571451][ T8234] __se_sys_read+0x92/0xb0 [ 152.576023][ T8234] __x64_sys_read+0x4a/0x70 [ 152.580573][ T8234] do_syscall_64+0x9f/0x140 [ 152.585128][ T8234] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.591116][ T8234] RIP: 0033:0x444189 [ 152.595015][ T8234] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 152.614629][ T8234] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 152.623175][ T8234] RAX: ffffffffffffffda RBX: 0000000000025296 RCX: 0000000000444189 [ 152.631194][ T8234] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 152.639214][ T8234] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 152.647241][ T8234] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 152.655224][ T8234] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 152.663361][ T8234] [ 152.665707][ T8234] Uninit was created at: [ 152.670092][ T8234] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.675831][ T8234] kmsan_slab_alloc+0x8d/0xe0 executing program [ 152.680524][ T8234] __kmalloc+0x378/0x560 [ 152.684791][ T8234] i2cdev_read+0x128/0x350 [ 152.689234][ T8234] vfs_read+0x533/0x15a0 [ 152.693565][ T8234] ksys_read+0x275/0x500 [ 152.697850][ T8234] __se_sys_read+0x92/0xb0 [ 152.702284][ T8234] __x64_sys_read+0x4a/0x70 [ 152.706812][ T8234] do_syscall_64+0x9f/0x140 [ 152.711346][ T8234] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.717264][ T8234] [ 152.719653][ T8234] Bytes 0-4095 of 4096 are uninitialized [ 152.725398][ T8234] Memory access of size 4096 starts at ffff88812e506000 [ 152.732383][ T8234] Data copied to user address 0000000020000480 [ 152.738551][ T8234] ===================================================== [ 152.760126][ T8235] ===================================================== [ 152.767158][ T8235] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 152.774676][ T8235] CPU: 1 PID: 8235 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 152.784857][ T8235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.795020][ T8235] Call Trace: [ 152.798329][ T8235] dump_stack+0x21c/0x280 [ 152.802693][ T8235] kmsan_report+0xfb/0x1e0 [ 152.807130][ T8235] kmsan_internal_check_memory+0x484/0x520 [ 152.812981][ T8235] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 152.819066][ T8235] ? should_fail+0x72/0x9e0 [ 152.823599][ T8235] kmsan_copy_to_user+0x9c/0xb0 [ 152.828472][ T8235] _copy_to_user+0x1ac/0x270 [ 152.833095][ T8235] i2cdev_read+0x23d/0x350 [ 152.837522][ T8235] ? put_i2c_dev+0x2c0/0x2c0 [ 152.842209][ T8235] vfs_read+0x533/0x15a0 [ 152.846466][ T8235] ? __fget_light+0x249/0x850 [ 152.851158][ T8235] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.856834][ T8235] ? kmsan_get_metadata+0x116/0x180 [ 152.862070][ T8235] ksys_read+0x275/0x500 [ 152.866349][ T8235] __se_sys_read+0x92/0xb0 [ 152.870796][ T8235] __x64_sys_read+0x4a/0x70 [ 152.875313][ T8235] do_syscall_64+0x9f/0x140 [ 152.879834][ T8235] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 152.885744][ T8235] RIP: 0033:0x444189 [ 152.889644][ T8235] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 152.909598][ T8235] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 152.918026][ T8235] RAX: ffffffffffffffda RBX: 00000000000253c0 RCX: 0000000000444189 [ 152.926114][ T8235] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 152.934241][ T8235] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 152.942257][ T8235] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 152.950933][ T8235] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 152.958916][ T8235] [ 152.961251][ T8235] Uninit was created at: [ 152.965484][ T8235] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.971268][ T8235] kmsan_slab_alloc+0x8d/0xe0 [ 152.975984][ T8235] __kmalloc+0x378/0x560 executing program [ 152.980251][ T8235] i2cdev_read+0x128/0x350 [ 152.984769][ T8235] vfs_read+0x533/0x15a0 [ 152.989055][ T8235] ksys_read+0x275/0x500 [ 152.993337][ T8235] __se_sys_read+0x92/0xb0 [ 152.997797][ T8235] __x64_sys_read+0x4a/0x70 [ 153.002318][ T8235] do_syscall_64+0x9f/0x140 [ 153.006840][ T8235] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.012769][ T8235] [ 153.015112][ T8235] Bytes 0-4095 of 4096 are uninitialized [ 153.020774][ T8235] Memory access of size 4096 starts at ffff88812e506000 [ 153.028080][ T8235] Data copied to user address 0000000020000480 [ 153.034248][ T8235] ===================================================== [ 153.056422][ T8236] ===================================================== [ 153.063409][ T8236] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 153.070923][ T8236] CPU: 1 PID: 8236 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 153.081110][ T8236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.091191][ T8236] Call Trace: [ 153.094527][ T8236] dump_stack+0x21c/0x280 [ 153.098878][ T8236] kmsan_report+0xfb/0x1e0 [ 153.103342][ T8236] kmsan_internal_check_memory+0x484/0x520 [ 153.109186][ T8236] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.115302][ T8236] ? should_fail+0x72/0x9e0 [ 153.119824][ T8236] kmsan_copy_to_user+0x9c/0xb0 [ 153.124716][ T8236] _copy_to_user+0x1ac/0x270 [ 153.129329][ T8236] i2cdev_read+0x23d/0x350 [ 153.133763][ T8236] ? put_i2c_dev+0x2c0/0x2c0 [ 153.138374][ T8236] vfs_read+0x533/0x15a0 [ 153.142721][ T8236] ? __fget_light+0x249/0x850 [ 153.147431][ T8236] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.153086][ T8236] ? kmsan_get_metadata+0x116/0x180 [ 153.158327][ T8236] ksys_read+0x275/0x500 [ 153.162622][ T8236] __se_sys_read+0x92/0xb0 [ 153.167072][ T8236] __x64_sys_read+0x4a/0x70 [ 153.171588][ T8236] do_syscall_64+0x9f/0x140 [ 153.176107][ T8236] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.182018][ T8236] RIP: 0033:0x444189 [ 153.185919][ T8236] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 153.205867][ T8236] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 153.214310][ T8236] RAX: ffffffffffffffda RBX: 00000000000254e7 RCX: 0000000000444189 [ 153.222303][ T8236] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 153.230304][ T8236] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 153.238285][ T8236] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 153.246263][ T8236] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 153.254267][ T8236] [ 153.256639][ T8236] Uninit was created at: [ 153.260896][ T8236] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.266805][ T8236] kmsan_slab_alloc+0x8d/0xe0 [ 153.271511][ T8236] __kmalloc+0x378/0x560 [ 153.275772][ T8236] i2cdev_read+0x128/0x350 [ 153.280333][ T8236] vfs_read+0x533/0x15a0 executing program [ 153.284628][ T8236] ksys_read+0x275/0x500 [ 153.288912][ T8236] __se_sys_read+0x92/0xb0 [ 153.293353][ T8236] __x64_sys_read+0x4a/0x70 [ 153.297877][ T8236] do_syscall_64+0x9f/0x140 [ 153.302401][ T8236] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.308334][ T8236] [ 153.310670][ T8236] Bytes 0-4095 of 4096 are uninitialized [ 153.316316][ T8236] Memory access of size 4096 starts at ffff88812e506000 [ 153.323278][ T8236] Data copied to user address 0000000020000480 [ 153.329443][ T8236] ===================================================== [ 153.351835][ T8237] ===================================================== [ 153.358826][ T8237] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 153.366343][ T8237] CPU: 1 PID: 8237 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 153.376527][ T8237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.386606][ T8237] Call Trace: [ 153.389905][ T8237] dump_stack+0x21c/0x280 [ 153.394277][ T8237] kmsan_report+0xfb/0x1e0 [ 153.398756][ T8237] kmsan_internal_check_memory+0x484/0x520 [ 153.404591][ T8237] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.410721][ T8237] ? should_fail+0x72/0x9e0 [ 153.415382][ T8237] kmsan_copy_to_user+0x9c/0xb0 [ 153.420272][ T8237] _copy_to_user+0x1ac/0x270 [ 153.424896][ T8237] i2cdev_read+0x23d/0x350 [ 153.429368][ T8237] ? put_i2c_dev+0x2c0/0x2c0 [ 153.434009][ T8237] vfs_read+0x533/0x15a0 [ 153.438292][ T8237] ? __fget_light+0x249/0x850 [ 153.443044][ T8237] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.448751][ T8237] ? kmsan_get_metadata+0x116/0x180 [ 153.453969][ T8237] ksys_read+0x275/0x500 [ 153.458276][ T8237] __se_sys_read+0x92/0xb0 [ 153.462775][ T8237] __x64_sys_read+0x4a/0x70 [ 153.467321][ T8237] do_syscall_64+0x9f/0x140 [ 153.471842][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.477758][ T8237] RIP: 0033:0x444189 [ 153.481679][ T8237] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 153.501432][ T8237] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 153.509952][ T8237] RAX: ffffffffffffffda RBX: 0000000000025610 RCX: 0000000000444189 [ 153.517936][ T8237] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 153.525953][ T8237] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 153.534124][ T8237] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 153.542113][ T8237] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 153.550100][ T8237] [ 153.552444][ T8237] Uninit was created at: [ 153.556680][ T8237] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.562494][ T8237] kmsan_slab_alloc+0x8d/0xe0 [ 153.567303][ T8237] __kmalloc+0x378/0x560 [ 153.571582][ T8237] i2cdev_read+0x128/0x350 [ 153.576017][ T8237] vfs_read+0x533/0x15a0 [ 153.580301][ T8237] ksys_read+0x275/0x500 executing program [ 153.584592][ T8237] __se_sys_read+0x92/0xb0 [ 153.589042][ T8237] __x64_sys_read+0x4a/0x70 [ 153.593579][ T8237] do_syscall_64+0x9f/0x140 [ 153.598129][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.604058][ T8237] [ 153.606428][ T8237] Bytes 0-4095 of 4096 are uninitialized [ 153.612080][ T8237] Memory access of size 4096 starts at ffff88812e506000 [ 153.619025][ T8237] Data copied to user address 0000000020000480 [ 153.625189][ T8237] ===================================================== [ 153.648061][ T8238] ===================================================== [ 153.655135][ T8238] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 153.662654][ T8238] CPU: 1 PID: 8238 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 153.672844][ T8238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.683107][ T8238] Call Trace: [ 153.687378][ T8238] dump_stack+0x21c/0x280 [ 153.691723][ T8238] kmsan_report+0xfb/0x1e0 [ 153.696163][ T8238] kmsan_internal_check_memory+0x484/0x520 [ 153.701995][ T8238] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 153.708093][ T8238] ? should_fail+0x72/0x9e0 [ 153.712612][ T8238] kmsan_copy_to_user+0x9c/0xb0 [ 153.717494][ T8238] _copy_to_user+0x1ac/0x270 [ 153.722118][ T8238] i2cdev_read+0x23d/0x350 [ 153.726573][ T8238] ? put_i2c_dev+0x2c0/0x2c0 [ 153.731376][ T8238] vfs_read+0x533/0x15a0 [ 153.735651][ T8238] ? __fget_light+0x249/0x850 [ 153.740341][ T8238] ? kmsan_internal_set_origin+0x85/0xc0 [ 153.745987][ T8238] ? kmsan_get_metadata+0x116/0x180 [ 153.751204][ T8238] ksys_read+0x275/0x500 [ 153.755495][ T8238] __se_sys_read+0x92/0xb0 [ 153.759934][ T8238] __x64_sys_read+0x4a/0x70 [ 153.764460][ T8238] do_syscall_64+0x9f/0x140 [ 153.768998][ T8238] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.774912][ T8238] RIP: 0033:0x444189 [ 153.778814][ T8238] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 153.798534][ T8238] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 153.807302][ T8238] RAX: ffffffffffffffda RBX: 0000000000025736 RCX: 0000000000444189 [ 153.815280][ T8238] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 153.823255][ T8238] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 153.831244][ T8238] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 153.839252][ T8238] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 153.847780][ T8238] [ 153.850103][ T8238] Uninit was created at: [ 153.854342][ T8238] kmsan_internal_poison_shadow+0x5c/0xf0 [ 153.860085][ T8238] kmsan_slab_alloc+0x8d/0xe0 [ 153.864807][ T8238] __kmalloc+0x378/0x560 [ 153.869079][ T8238] i2cdev_read+0x128/0x350 [ 153.873518][ T8238] vfs_read+0x533/0x15a0 [ 153.877780][ T8238] ksys_read+0x275/0x500 [ 153.882061][ T8238] __se_sys_read+0x92/0xb0 [ 153.886491][ T8238] __x64_sys_read+0x4a/0x70 [ 153.891000][ T8238] do_syscall_64+0x9f/0x140 executing program [ 153.895516][ T8238] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 153.901416][ T8238] [ 153.903734][ T8238] Bytes 0-4095 of 4096 are uninitialized [ 153.909353][ T8238] Memory access of size 4096 starts at ffff88812e506000 [ 153.916325][ T8238] Data copied to user address 0000000020000480 [ 153.922469][ T8238] ===================================================== [ 153.943945][ T8239] ===================================================== [ 153.950921][ T8239] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 153.958505][ T8239] CPU: 0 PID: 8239 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 153.968774][ T8239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.978887][ T8239] Call Trace: [ 153.982174][ T8239] dump_stack+0x21c/0x280 [ 153.986518][ T8239] kmsan_report+0xfb/0x1e0 [ 153.990948][ T8239] kmsan_internal_check_memory+0x484/0x520 [ 153.996786][ T8239] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.002955][ T8239] ? should_fail+0x72/0x9e0 [ 154.007624][ T8239] kmsan_copy_to_user+0x9c/0xb0 [ 154.012510][ T8239] _copy_to_user+0x1ac/0x270 [ 154.017129][ T8239] i2cdev_read+0x23d/0x350 [ 154.021557][ T8239] ? put_i2c_dev+0x2c0/0x2c0 [ 154.026176][ T8239] vfs_read+0x533/0x15a0 [ 154.030787][ T8239] ? __fget_light+0x249/0x850 [ 154.035541][ T8239] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.041209][ T8239] ? kmsan_get_metadata+0x116/0x180 [ 154.046455][ T8239] ksys_read+0x275/0x500 [ 154.050723][ T8239] __se_sys_read+0x92/0xb0 [ 154.055173][ T8239] __x64_sys_read+0x4a/0x70 [ 154.059770][ T8239] do_syscall_64+0x9f/0x140 [ 154.064299][ T8239] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 154.070502][ T8239] RIP: 0033:0x444189 [ 154.074503][ T8239] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 154.094117][ T8239] RSP: 002b:00007ffc32d51068 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 154.103083][ T8239] RAX: ffffffffffffffda RBX: 000000000002585e RCX: 0000000000444189 [ 154.112143][ T8239] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 154.120427][ T8239] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffc32d51208 [ 154.128412][ T8239] R10: 000000000000000f R11: 0000000000000246 R12: 00007ffc32d5107c [ 154.136443][ T8239] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 154.144432][ T8239] [ 154.146765][ T8239] Uninit was created at: [ 154.151004][ T8239] kmsan_internal_poison_shadow+0x5c/0xf0 [ 154.156743][ T8239] kmsan_slab_alloc+0x8d/0xe0 [ 154.161435][ T8239] __kmalloc+0x378/0x560 [ 154.165691][ T8239] i2cdev_read+0x128/0x350 [ 154.170270][ T8239] vfs_read+0x533/0x15a0 [ 154.174640][ T8239] ksys_read+0x275/0x500 [ 154.178903][ T8239] __se_sys_read+0x92/0xb0 [ 154.183373][ T8239] __x64_sys_read+0x4a/0x70 [ 154.187898][ T8239] do_syscall_64+0x9f/0x140 [ 154.192429][ T8239] entry_SYSCALL_64_after_hwframe+0x44/0xa9 executing program [ 154.198364][ T8239] [ 154.200691][ T8239] Bytes 0-4095 of 4096 are uninitialized [ 154.206326][ T8239] Memory access of size 4096 starts at ffff88812e48b000 [ 154.213270][ T8239] Data copied to user address 0000000020000480 [ 154.219426][ T8239] ===================================================== [ 154.244461][ T8240] ===================================================== [ 154.251505][ T8240] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 154.259126][ T8240] CPU: 1 PID: 8240 Comm: syz-executor610 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 154.269341][ T8240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.279455][ T8240] Call Trace: [ 154.282871][ T8240] dump_stack+0x21c/0x280 [ 154.287238][ T8240] kmsan_report+0xfb/0x1e0 [ 154.291687][ T8240] kmsan_internal_check_memory+0x484/0x520 [ 154.297519][ T8240] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.303631][ T8240] ? should_fail+0x72/0x9e0 [ 154.308173][ T8240] kmsan_copy_to_user+0x9c/0xb0 [ 154.313044][ T8240] _copy_to_user+0x1ac/0x270 [ 154.317658][ T8240] i2cdev_read+0x23d/0x350 [ 154.322101][ T8240] ? put_i2c_dev+0x2c0/0x2c0 [ 154.326717][ T8240] vfs_read+0x533/0x15a0 [ 154.331087][ T8240] ? __fget_light+0x249/0x850 [ 154.335795][ T8240] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.341576][ T8240] ? kmsan_get_metadata+0x116/0x180 [ 154.346822][ T8240] ksys_read+0x275/0x500