[ 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 Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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 '10.128.1.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 142.203528][ T8215] ===================================================== [ 142.211001][ T8215] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 142.218491][ T8215] CPU: 0 PID: 8215 Comm: syz-executor242 Not tainted 5.12.0-rc6-syzkaller #0 [ 142.227256][ T8215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.237312][ T8215] Call Trace: [ 142.240590][ T8215] dump_stack+0x24c/0x2e0 [ 142.244946][ T8215] kmsan_report+0xfb/0x1e0 [ 142.249385][ T8215] kmsan_internal_check_memory+0x48c/0x520 [ 142.255212][ T8215] kmsan_copy_to_user+0x9c/0xb0 [ 142.260059][ T8215] _copy_to_user+0x1ac/0x270 [ 142.264661][ T8215] i2cdev_read+0x23d/0x350 [ 142.269073][ T8215] ? put_i2c_dev+0x2c0/0x2c0 [ 142.273659][ T8215] vfs_read+0x533/0x15a0 [ 142.277915][ T8215] ? __fget_light+0x249/0x850 [ 142.282608][ T8215] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.288233][ T8215] ? kmsan_get_metadata+0x116/0x180 [ 142.293542][ T8215] ksys_read+0x275/0x500 [ 142.297810][ T8215] __se_sys_read+0x92/0xb0 [ 142.302308][ T8215] __x64_sys_read+0x4a/0x70 [ 142.306803][ T8215] do_syscall_64+0x9f/0x140 [ 142.311325][ T8215] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.317211][ T8215] RIP: 0033:0x444189 [ 142.321093][ 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 [ 142.340778][ T8215] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 142.349294][ T8215] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 0000000000444189 [ 142.357276][ T8215] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 142.365309][ T8215] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 142.373432][ T8215] R10: 000000000000001f R11: 0000000000000246 R12: 00000000004034a0 [ 142.381525][ T8215] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 142.389845][ T8215] [ 142.392167][ T8215] Uninit was created at: [ 142.396396][ T8215] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.402247][ T8215] kmsan_slab_alloc+0x8e/0xe0 [ 142.407183][ T8215] __kmalloc+0x387/0x550 [ 142.411445][ T8215] i2cdev_read+0x128/0x350 [ 142.415886][ T8215] vfs_read+0x533/0x15a0 [ 142.420125][ T8215] ksys_read+0x275/0x500 [ 142.424388][ T8215] __se_sys_read+0x92/0xb0 [ 142.428810][ T8215] __x64_sys_read+0x4a/0x70 [ 142.433323][ T8215] do_syscall_64+0x9f/0x140 [ 142.437822][ T8215] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.443826][ T8215] [ 142.446153][ T8215] Bytes 0-4095 of 4096 are uninitialized executing program [ 142.451772][ T8215] Memory access of size 4096 starts at ffff888121d19000 [ 142.458708][ T8215] Data copied to user address 0000000020000480 [ 142.464867][ T8215] ===================================================== [ 142.472045][ T8215] Disabling lock debugging due to kernel taint [ 142.490133][ T8216] ===================================================== [ 142.497090][ T8216] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 142.504577][ T8216] CPU: 0 PID: 8216 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.514768][ T8216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.524921][ T8216] Call Trace: [ 142.528217][ T8216] dump_stack+0x24c/0x2e0 [ 142.532568][ T8216] kmsan_report+0xfb/0x1e0 [ 142.536971][ T8216] kmsan_internal_check_memory+0x48c/0x520 [ 142.542778][ T8216] kmsan_copy_to_user+0x9c/0xb0 [ 142.547618][ T8216] _copy_to_user+0x1ac/0x270 [ 142.552312][ T8216] i2cdev_read+0x23d/0x350 [ 142.556720][ T8216] ? put_i2c_dev+0x2c0/0x2c0 [ 142.561321][ T8216] vfs_read+0x533/0x15a0 [ 142.565556][ T8216] ? __fget_light+0x249/0x850 [ 142.570222][ T8216] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.575841][ T8216] ? kmsan_get_metadata+0x116/0x180 [ 142.581027][ T8216] ksys_read+0x275/0x500 [ 142.585275][ T8216] __se_sys_read+0x92/0xb0 [ 142.589697][ T8216] __x64_sys_read+0x4a/0x70 [ 142.594201][ T8216] do_syscall_64+0x9f/0x140 [ 142.598709][ T8216] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.604606][ T8216] RIP: 0033:0x444189 [ 142.608485][ 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 [ 142.628094][ T8216] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 142.636511][ T8216] RAX: ffffffffffffffda RBX: 0000000000022cd3 RCX: 0000000000444189 [ 142.644585][ T8216] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 142.652650][ T8216] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 142.660618][ T8216] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 142.668580][ T8216] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 142.676542][ T8216] [ 142.678847][ T8216] Uninit was created at: [ 142.683075][ T8216] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.688791][ T8216] kmsan_slab_alloc+0x8e/0xe0 [ 142.693453][ T8216] __kmalloc+0x387/0x550 [ 142.697858][ T8216] i2cdev_read+0x128/0x350 [ 142.702263][ T8216] vfs_read+0x533/0x15a0 [ 142.706525][ T8216] ksys_read+0x275/0x500 [ 142.710763][ T8216] __se_sys_read+0x92/0xb0 [ 142.715213][ T8216] __x64_sys_read+0x4a/0x70 [ 142.719718][ T8216] do_syscall_64+0x9f/0x140 [ 142.724235][ T8216] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.730153][ T8216] [ 142.732461][ T8216] Bytes 0-4095 of 4096 are uninitialized [ 142.738070][ T8216] Memory access of size 4096 starts at ffff888121d19000 [ 142.745084][ T8216] Data copied to user address 0000000020000480 executing program [ 142.751228][ T8216] ===================================================== [ 142.771554][ T8217] ===================================================== [ 142.778527][ T8217] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 142.786388][ T8217] CPU: 1 PID: 8217 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.796566][ T8217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.806680][ T8217] Call Trace: [ 142.809971][ T8217] dump_stack+0x24c/0x2e0 [ 142.814334][ T8217] kmsan_report+0xfb/0x1e0 [ 142.818858][ T8217] kmsan_internal_check_memory+0x48c/0x520 [ 142.824701][ T8217] kmsan_copy_to_user+0x9c/0xb0 [ 142.829574][ T8217] _copy_to_user+0x1ac/0x270 [ 142.834162][ T8217] i2cdev_read+0x23d/0x350 [ 142.838615][ T8217] ? put_i2c_dev+0x2c0/0x2c0 [ 142.843205][ T8217] vfs_read+0x533/0x15a0 [ 142.847442][ T8217] ? __fget_light+0x249/0x850 [ 142.852112][ T8217] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.857774][ T8217] ? kmsan_get_metadata+0x116/0x180 [ 142.862998][ T8217] ksys_read+0x275/0x500 [ 142.867252][ T8217] __se_sys_read+0x92/0xb0 [ 142.871667][ T8217] __x64_sys_read+0x4a/0x70 [ 142.876188][ T8217] do_syscall_64+0x9f/0x140 [ 142.880713][ T8217] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 142.886625][ T8217] RIP: 0033:0x444189 [ 142.890531][ 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 [ 142.910309][ T8217] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 142.918747][ T8217] RAX: ffffffffffffffda RBX: 0000000000022df2 RCX: 0000000000444189 [ 142.926728][ T8217] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 142.934711][ T8217] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 142.942685][ T8217] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 142.950660][ T8217] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 142.958755][ T8217] [ 142.961101][ T8217] Uninit was created at: [ 142.965330][ T8217] kmsan_internal_poison_shadow+0x5c/0xf0 [ 142.971052][ T8217] kmsan_slab_alloc+0x8e/0xe0 [ 142.975755][ T8217] __kmalloc+0x387/0x550 [ 142.979995][ T8217] i2cdev_read+0x128/0x350 [ 142.984408][ T8217] vfs_read+0x533/0x15a0 [ 142.988678][ T8217] ksys_read+0x275/0x500 [ 142.992922][ T8217] __se_sys_read+0x92/0xb0 [ 142.997352][ T8217] __x64_sys_read+0x4a/0x70 [ 143.001904][ T8217] do_syscall_64+0x9f/0x140 executing program [ 143.006436][ T8217] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.012346][ T8217] [ 143.014654][ T8217] Bytes 0-4095 of 4096 are uninitialized [ 143.020542][ T8217] Memory access of size 4096 starts at ffff888127f3b000 [ 143.027543][ T8217] Data copied to user address 0000000020000480 [ 143.033793][ T8217] ===================================================== [ 143.059018][ T8218] ===================================================== [ 143.065974][ T8218] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 143.073463][ T8218] CPU: 0 PID: 8218 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.083634][ T8218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.093696][ T8218] Call Trace: [ 143.096989][ T8218] dump_stack+0x24c/0x2e0 [ 143.101374][ T8218] kmsan_report+0xfb/0x1e0 [ 143.105806][ T8218] kmsan_internal_check_memory+0x48c/0x520 [ 143.111632][ T8218] kmsan_copy_to_user+0x9c/0xb0 [ 143.116477][ T8218] _copy_to_user+0x1ac/0x270 [ 143.121078][ T8218] i2cdev_read+0x23d/0x350 [ 143.125490][ T8218] ? put_i2c_dev+0x2c0/0x2c0 [ 143.130076][ T8218] vfs_read+0x533/0x15a0 [ 143.134323][ T8218] ? __fget_light+0x249/0x850 [ 143.139057][ T8218] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.144687][ T8218] ? kmsan_get_metadata+0x116/0x180 [ 143.149926][ T8218] ksys_read+0x275/0x500 [ 143.154201][ T8218] __se_sys_read+0x92/0xb0 [ 143.158632][ T8218] __x64_sys_read+0x4a/0x70 [ 143.163132][ T8218] do_syscall_64+0x9f/0x140 [ 143.167639][ T8218] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.173555][ T8218] RIP: 0033:0x444189 [ 143.177511][ 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 [ 143.197216][ T8218] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 143.205620][ T8218] RAX: ffffffffffffffda RBX: 0000000000022f09 RCX: 0000000000444189 [ 143.213585][ T8218] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 143.221569][ T8218] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 143.229530][ T8218] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 143.237592][ T8218] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 143.245560][ T8218] [ 143.247912][ T8218] Uninit was created at: [ 143.252135][ T8218] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.257864][ T8218] kmsan_slab_alloc+0x8e/0xe0 [ 143.262528][ T8218] __kmalloc+0x387/0x550 [ 143.266767][ T8218] i2cdev_read+0x128/0x350 [ 143.271177][ T8218] vfs_read+0x533/0x15a0 [ 143.275470][ T8218] ksys_read+0x275/0x500 [ 143.279745][ T8218] __se_sys_read+0x92/0xb0 [ 143.284153][ T8218] __x64_sys_read+0x4a/0x70 [ 143.288682][ T8218] do_syscall_64+0x9f/0x140 [ 143.293264][ T8218] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.299146][ T8218] [ 143.301454][ T8218] Bytes 0-4095 of 4096 are uninitialized executing program [ 143.307082][ T8218] Memory access of size 4096 starts at ffff888121d19000 [ 143.314003][ T8218] Data copied to user address 0000000020000480 [ 143.320178][ T8218] ===================================================== [ 143.339757][ T8219] ===================================================== [ 143.346714][ T8219] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 143.354204][ T8219] CPU: 0 PID: 8219 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.364431][ T8219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.374493][ T8219] Call Trace: [ 143.377771][ T8219] dump_stack+0x24c/0x2e0 [ 143.382095][ T8219] kmsan_report+0xfb/0x1e0 [ 143.386513][ T8219] kmsan_internal_check_memory+0x48c/0x520 [ 143.392312][ T8219] kmsan_copy_to_user+0x9c/0xb0 [ 143.397265][ T8219] _copy_to_user+0x1ac/0x270 [ 143.401953][ T8219] i2cdev_read+0x23d/0x350 [ 143.406535][ T8219] ? put_i2c_dev+0x2c0/0x2c0 [ 143.411114][ T8219] vfs_read+0x533/0x15a0 [ 143.415351][ T8219] ? __fget_light+0x249/0x850 [ 143.420030][ T8219] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.425661][ T8219] ? kmsan_get_metadata+0x116/0x180 [ 143.430867][ T8219] ksys_read+0x275/0x500 [ 143.435145][ T8219] __se_sys_read+0x92/0xb0 [ 143.439567][ T8219] __x64_sys_read+0x4a/0x70 [ 143.444110][ T8219] do_syscall_64+0x9f/0x140 [ 143.448609][ T8219] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.454491][ T8219] RIP: 0033:0x444189 [ 143.458373][ 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 [ 143.478058][ T8219] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 143.486645][ T8219] RAX: ffffffffffffffda RBX: 000000000002302a RCX: 0000000000444189 [ 143.494606][ T8219] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 143.502573][ T8219] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 143.510563][ T8219] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 143.518551][ T8219] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 143.526545][ T8219] [ 143.528872][ T8219] Uninit was created at: [ 143.533112][ T8219] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.538867][ T8219] kmsan_slab_alloc+0x8e/0xe0 [ 143.543565][ T8219] __kmalloc+0x387/0x550 [ 143.547833][ T8219] i2cdev_read+0x128/0x350 [ 143.552274][ T8219] vfs_read+0x533/0x15a0 [ 143.556541][ T8219] ksys_read+0x275/0x500 executing program [ 143.560891][ T8219] __se_sys_read+0x92/0xb0 [ 143.565331][ T8219] __x64_sys_read+0x4a/0x70 [ 143.569877][ T8219] do_syscall_64+0x9f/0x140 [ 143.574404][ T8219] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.580330][ T8219] [ 143.582658][ T8219] Bytes 0-4095 of 4096 are uninitialized [ 143.588314][ T8219] Memory access of size 4096 starts at ffff888121d19000 [ 143.595253][ T8219] Data copied to user address 0000000020000480 [ 143.601414][ T8219] ===================================================== [ 143.644683][ T8221] ===================================================== [ 143.651663][ T8221] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 143.659156][ T8221] CPU: 0 PID: 8221 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.669332][ T8221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.679429][ T8221] Call Trace: [ 143.682726][ T8221] dump_stack+0x24c/0x2e0 [ 143.687088][ T8221] kmsan_report+0xfb/0x1e0 [ 143.691529][ T8221] kmsan_internal_check_memory+0x48c/0x520 [ 143.697370][ T8221] kmsan_copy_to_user+0x9c/0xb0 [ 143.702261][ T8221] _copy_to_user+0x1ac/0x270 [ 143.706881][ T8221] i2cdev_read+0x23d/0x350 [ 143.711332][ T8221] ? put_i2c_dev+0x2c0/0x2c0 [ 143.715995][ T8221] vfs_read+0x533/0x15a0 [ 143.720274][ T8221] ? __fget_light+0x249/0x850 [ 143.725049][ T8221] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.730731][ T8221] ? kmsan_get_metadata+0x116/0x180 [ 143.735955][ T8221] ksys_read+0x275/0x500 [ 143.740230][ T8221] __se_sys_read+0x92/0xb0 [ 143.744675][ T8221] __x64_sys_read+0x4a/0x70 [ 143.749183][ T8221] do_syscall_64+0x9f/0x140 [ 143.753716][ T8221] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.759607][ T8221] RIP: 0033:0x444189 [ 143.763493][ 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 [ 143.783114][ T8221] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 143.791682][ T8221] RAX: ffffffffffffffda RBX: 0000000000023142 RCX: 0000000000444189 [ 143.799662][ T8221] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 143.807625][ T8221] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 143.815592][ T8221] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 143.823551][ T8221] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 143.831515][ T8221] [ 143.833836][ T8221] Uninit was created at: [ 143.838052][ T8221] kmsan_internal_poison_shadow+0x5c/0xf0 [ 143.843856][ T8221] kmsan_slab_alloc+0x8e/0xe0 [ 143.848535][ T8221] __kmalloc+0x387/0x550 [ 143.852778][ T8221] i2cdev_read+0x128/0x350 [ 143.857196][ T8221] vfs_read+0x533/0x15a0 [ 143.861531][ T8221] ksys_read+0x275/0x500 [ 143.865865][ T8221] __se_sys_read+0x92/0xb0 [ 143.870277][ T8221] __x64_sys_read+0x4a/0x70 [ 143.874818][ T8221] do_syscall_64+0x9f/0x140 [ 143.879332][ T8221] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 143.885213][ T8221] [ 143.887535][ T8221] Bytes 0-4095 of 4096 are uninitialized executing program [ 143.893244][ T8221] Memory access of size 4096 starts at ffff888121d19000 [ 143.900175][ T8221] Data copied to user address 0000000020000480 [ 143.906570][ T8221] ===================================================== [ 143.933102][ T8222] ===================================================== [ 143.940081][ T8222] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 143.947569][ T8222] CPU: 0 PID: 8222 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.957720][ T8222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.967791][ T8222] Call Trace: [ 143.971400][ T8222] dump_stack+0x24c/0x2e0 [ 143.975742][ T8222] kmsan_report+0xfb/0x1e0 [ 143.980168][ T8222] kmsan_internal_check_memory+0x48c/0x520 [ 143.986078][ T8222] kmsan_copy_to_user+0x9c/0xb0 [ 143.991033][ T8222] _copy_to_user+0x1ac/0x270 [ 143.995617][ T8222] i2cdev_read+0x23d/0x350 [ 144.000460][ T8222] ? put_i2c_dev+0x2c0/0x2c0 [ 144.005064][ T8222] vfs_read+0x533/0x15a0 [ 144.009391][ T8222] ? __fget_light+0x249/0x850 [ 144.014064][ T8222] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.019799][ T8222] ? kmsan_get_metadata+0x116/0x180 [ 144.025003][ T8222] ksys_read+0x275/0x500 [ 144.029252][ T8222] __se_sys_read+0x92/0xb0 [ 144.033716][ T8222] __x64_sys_read+0x4a/0x70 [ 144.038221][ T8222] do_syscall_64+0x9f/0x140 [ 144.042717][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.048617][ T8222] RIP: 0033:0x444189 [ 144.052496][ 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 [ 144.072108][ T8222] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 144.080532][ T8222] RAX: ffffffffffffffda RBX: 000000000002326a RCX: 0000000000444189 [ 144.088505][ T8222] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 144.096467][ T8222] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 144.104466][ T8222] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 144.112427][ T8222] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 144.120398][ T8222] [ 144.122909][ T8222] Uninit was created at: [ 144.127163][ T8222] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.132882][ T8222] kmsan_slab_alloc+0x8e/0xe0 [ 144.137547][ T8222] __kmalloc+0x387/0x550 [ 144.141791][ T8222] i2cdev_read+0x128/0x350 [ 144.146202][ T8222] vfs_read+0x533/0x15a0 [ 144.150566][ T8222] ksys_read+0x275/0x500 [ 144.154813][ T8222] __se_sys_read+0x92/0xb0 [ 144.159351][ T8222] __x64_sys_read+0x4a/0x70 [ 144.163853][ T8222] do_syscall_64+0x9f/0x140 [ 144.168349][ T8222] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.174261][ T8222] [ 144.176570][ T8222] Bytes 0-4095 of 4096 are uninitialized [ 144.182188][ T8222] Memory access of size 4096 starts at ffff888121d19000 [ 144.189112][ T8222] Data copied to user address 0000000020000480 executing program [ 144.195252][ T8222] ===================================================== [ 144.221042][ T8223] ===================================================== [ 144.228060][ T8223] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 144.235589][ T8223] CPU: 0 PID: 8223 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.245767][ T8223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.255816][ T8223] Call Trace: [ 144.259090][ T8223] dump_stack+0x24c/0x2e0 [ 144.263431][ T8223] kmsan_report+0xfb/0x1e0 [ 144.267841][ T8223] kmsan_internal_check_memory+0x48c/0x520 [ 144.273654][ T8223] kmsan_copy_to_user+0x9c/0xb0 [ 144.278495][ T8223] _copy_to_user+0x1ac/0x270 [ 144.283078][ T8223] i2cdev_read+0x23d/0x350 [ 144.287488][ T8223] ? put_i2c_dev+0x2c0/0x2c0 [ 144.292083][ T8223] vfs_read+0x533/0x15a0 [ 144.296321][ T8223] ? __fget_light+0x249/0x850 [ 144.301008][ T8223] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.306631][ T8223] ? kmsan_get_metadata+0x116/0x180 [ 144.311820][ T8223] ksys_read+0x275/0x500 [ 144.316082][ T8223] __se_sys_read+0x92/0xb0 [ 144.320501][ T8223] __x64_sys_read+0x4a/0x70 [ 144.325015][ T8223] do_syscall_64+0x9f/0x140 [ 144.329517][ T8223] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.335421][ T8223] RIP: 0033:0x444189 [ 144.339326][ 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 [ 144.359172][ T8223] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 144.367608][ T8223] RAX: ffffffffffffffda RBX: 0000000000023393 RCX: 0000000000444189 [ 144.375610][ T8223] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 144.383578][ T8223] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 144.391551][ T8223] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 144.399537][ T8223] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 144.407644][ T8223] [ 144.409991][ T8223] Uninit was created at: [ 144.414216][ T8223] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.419964][ T8223] kmsan_slab_alloc+0x8e/0xe0 [ 144.424644][ T8223] __kmalloc+0x387/0x550 [ 144.428883][ T8223] i2cdev_read+0x128/0x350 [ 144.433320][ T8223] vfs_read+0x533/0x15a0 [ 144.437641][ T8223] ksys_read+0x275/0x500 [ 144.441962][ T8223] __se_sys_read+0x92/0xb0 [ 144.446382][ T8223] __x64_sys_read+0x4a/0x70 [ 144.450879][ T8223] do_syscall_64+0x9f/0x140 [ 144.455390][ T8223] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.461275][ T8223] [ 144.463603][ T8223] Bytes 0-4095 of 4096 are uninitialized executing program [ 144.469226][ T8223] Memory access of size 4096 starts at ffff888121d19000 [ 144.476155][ T8223] Data copied to user address 0000000020000480 [ 144.482290][ T8223] ===================================================== [ 144.507762][ T8224] ===================================================== [ 144.514746][ T8224] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 144.522238][ T8224] CPU: 0 PID: 8224 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.532424][ T8224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.542483][ T8224] Call Trace: [ 144.545760][ T8224] dump_stack+0x24c/0x2e0 [ 144.550083][ T8224] kmsan_report+0xfb/0x1e0 [ 144.554527][ T8224] kmsan_internal_check_memory+0x48c/0x520 [ 144.560353][ T8224] kmsan_copy_to_user+0x9c/0xb0 [ 144.565235][ T8224] _copy_to_user+0x1ac/0x270 [ 144.569816][ T8224] i2cdev_read+0x23d/0x350 [ 144.574235][ T8224] ? put_i2c_dev+0x2c0/0x2c0 [ 144.578833][ T8224] vfs_read+0x533/0x15a0 [ 144.583275][ T8224] ? __fget_light+0x249/0x850 [ 144.587958][ T8224] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.593608][ T8224] ? kmsan_get_metadata+0x116/0x180 [ 144.598803][ T8224] ksys_read+0x275/0x500 [ 144.603053][ T8224] __se_sys_read+0x92/0xb0 [ 144.607487][ T8224] __x64_sys_read+0x4a/0x70 [ 144.611984][ T8224] do_syscall_64+0x9f/0x140 [ 144.616482][ T8224] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.622370][ T8224] RIP: 0033:0x444189 [ 144.626275][ 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 [ 144.645885][ T8224] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 144.654313][ T8224] RAX: ffffffffffffffda RBX: 00000000000234b3 RCX: 0000000000444189 [ 144.662504][ T8224] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 144.670480][ T8224] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 144.678484][ T8224] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 144.686456][ T8224] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 144.694535][ T8224] [ 144.696862][ T8224] Uninit was created at: [ 144.701093][ T8224] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.706815][ T8224] kmsan_slab_alloc+0x8e/0xe0 [ 144.711488][ T8224] __kmalloc+0x387/0x550 [ 144.715738][ T8224] i2cdev_read+0x128/0x350 [ 144.720165][ T8224] vfs_read+0x533/0x15a0 [ 144.724447][ T8224] ksys_read+0x275/0x500 [ 144.728687][ T8224] __se_sys_read+0x92/0xb0 [ 144.733097][ T8224] __x64_sys_read+0x4a/0x70 [ 144.737593][ T8224] do_syscall_64+0x9f/0x140 [ 144.742109][ T8224] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.748005][ T8224] [ 144.750322][ T8224] Bytes 0-4095 of 4096 are uninitialized [ 144.755976][ T8224] Memory access of size 4096 starts at ffff888121d19000 [ 144.762914][ T8224] Data copied to user address 0000000020000480 executing program [ 144.769063][ T8224] ===================================================== [ 144.793999][ T8225] ===================================================== [ 144.801002][ T8225] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 144.808492][ T8225] CPU: 1 PID: 8225 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.818663][ T8225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.828754][ T8225] Call Trace: [ 144.832027][ T8225] dump_stack+0x24c/0x2e0 [ 144.836384][ T8225] kmsan_report+0xfb/0x1e0 [ 144.840840][ T8225] kmsan_internal_check_memory+0x48c/0x520 [ 144.846667][ T8225] kmsan_copy_to_user+0x9c/0xb0 [ 144.851513][ T8225] _copy_to_user+0x1ac/0x270 [ 144.856100][ T8225] i2cdev_read+0x23d/0x350 [ 144.860508][ T8225] ? put_i2c_dev+0x2c0/0x2c0 [ 144.865087][ T8225] vfs_read+0x533/0x15a0 [ 144.869323][ T8225] ? __fget_light+0x249/0x850 [ 144.873993][ T8225] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.879642][ T8225] ? kmsan_get_metadata+0x116/0x180 [ 144.884832][ T8225] ksys_read+0x275/0x500 [ 144.891627][ T8225] __se_sys_read+0x92/0xb0 [ 144.896056][ T8225] __x64_sys_read+0x4a/0x70 [ 144.900569][ T8225] do_syscall_64+0x9f/0x140 [ 144.905084][ T8225] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 144.910988][ T8225] RIP: 0033:0x444189 [ 144.914887][ 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 [ 144.934512][ T8225] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 144.942938][ T8225] RAX: ffffffffffffffda RBX: 00000000000235d2 RCX: 0000000000444189 [ 144.951007][ T8225] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 144.958991][ T8225] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 144.966958][ T8225] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 144.974926][ T8225] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 144.982997][ T8225] [ 144.985313][ T8225] Uninit was created at: [ 144.989540][ T8225] kmsan_internal_poison_shadow+0x5c/0xf0 [ 144.995281][ T8225] kmsan_slab_alloc+0x8e/0xe0 [ 144.999954][ T8225] __kmalloc+0x387/0x550 [ 145.004209][ T8225] i2cdev_read+0x128/0x350 [ 145.008632][ T8225] vfs_read+0x533/0x15a0 [ 145.012991][ T8225] ksys_read+0x275/0x500 [ 145.017236][ T8225] __se_sys_read+0x92/0xb0 [ 145.021642][ T8225] __x64_sys_read+0x4a/0x70 [ 145.026136][ T8225] do_syscall_64+0x9f/0x140 [ 145.030627][ T8225] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.036528][ T8225] [ 145.038839][ T8225] Bytes 0-4095 of 4096 are uninitialized executing program [ 145.044465][ T8225] Memory access of size 4096 starts at ffff888127f3b000 [ 145.051387][ T8225] Data copied to user address 0000000020000480 [ 145.057540][ T8225] ===================================================== [ 145.080349][ T8226] ===================================================== [ 145.087333][ T8226] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.094881][ T8226] CPU: 0 PID: 8226 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.105058][ T8226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.115343][ T8226] Call Trace: [ 145.118760][ T8226] dump_stack+0x24c/0x2e0 [ 145.123104][ T8226] kmsan_report+0xfb/0x1e0 [ 145.127540][ T8226] kmsan_internal_check_memory+0x48c/0x520 [ 145.133344][ T8226] kmsan_copy_to_user+0x9c/0xb0 [ 145.138231][ T8226] _copy_to_user+0x1ac/0x270 [ 145.142827][ T8226] i2cdev_read+0x23d/0x350 [ 145.147251][ T8226] ? put_i2c_dev+0x2c0/0x2c0 [ 145.151837][ T8226] vfs_read+0x533/0x15a0 [ 145.156087][ T8226] ? __fget_light+0x249/0x850 [ 145.160762][ T8226] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.166402][ T8226] ? kmsan_get_metadata+0x116/0x180 [ 145.171608][ T8226] ksys_read+0x275/0x500 [ 145.175848][ T8226] __se_sys_read+0x92/0xb0 [ 145.180268][ T8226] __x64_sys_read+0x4a/0x70 [ 145.184809][ T8226] do_syscall_64+0x9f/0x140 [ 145.189311][ T8226] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.195227][ T8226] RIP: 0033:0x444189 [ 145.199123][ 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 [ 145.218744][ T8226] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 145.227178][ T8226] RAX: ffffffffffffffda RBX: 00000000000236f0 RCX: 0000000000444189 [ 145.235186][ T8226] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 145.243188][ T8226] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 145.251176][ T8226] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 145.259158][ T8226] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 145.267146][ T8226] [ 145.269470][ T8226] Uninit was created at: [ 145.273705][ T8226] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.279454][ T8226] kmsan_slab_alloc+0x8e/0xe0 [ 145.284309][ T8226] __kmalloc+0x387/0x550 [ 145.288556][ T8226] i2cdev_read+0x128/0x350 [ 145.292969][ T8226] vfs_read+0x533/0x15a0 [ 145.297246][ T8226] ksys_read+0x275/0x500 [ 145.301481][ T8226] __se_sys_read+0x92/0xb0 [ 145.306100][ T8226] __x64_sys_read+0x4a/0x70 [ 145.310743][ T8226] do_syscall_64+0x9f/0x140 [ 145.315252][ T8226] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.321151][ T8226] [ 145.323464][ T8226] Bytes 0-4095 of 4096 are uninitialized [ 145.329089][ T8226] Memory access of size 4096 starts at ffff888121d19000 [ 145.336033][ T8226] Data copied to user address 0000000020000480 executing program [ 145.342183][ T8226] ===================================================== [ 145.369029][ T8227] ===================================================== [ 145.376040][ T8227] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.383541][ T8227] CPU: 0 PID: 8227 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.393727][ T8227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.403803][ T8227] Call Trace: [ 145.407175][ T8227] dump_stack+0x24c/0x2e0 [ 145.411530][ T8227] kmsan_report+0xfb/0x1e0 [ 145.415950][ T8227] kmsan_internal_check_memory+0x48c/0x520 [ 145.421771][ T8227] kmsan_copy_to_user+0x9c/0xb0 [ 145.426622][ T8227] _copy_to_user+0x1ac/0x270 [ 145.431219][ T8227] i2cdev_read+0x23d/0x350 [ 145.435637][ T8227] ? put_i2c_dev+0x2c0/0x2c0 [ 145.440229][ T8227] vfs_read+0x533/0x15a0 [ 145.444503][ T8227] ? __fget_light+0x249/0x850 [ 145.449180][ T8227] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.454881][ T8227] ? kmsan_get_metadata+0x116/0x180 [ 145.460095][ T8227] ksys_read+0x275/0x500 [ 145.464396][ T8227] __se_sys_read+0x92/0xb0 [ 145.468822][ T8227] __x64_sys_read+0x4a/0x70 [ 145.473321][ T8227] do_syscall_64+0x9f/0x140 [ 145.477821][ T8227] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.483706][ T8227] RIP: 0033:0x444189 [ 145.487589][ 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 [ 145.507659][ T8227] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 145.516138][ T8227] RAX: ffffffffffffffda RBX: 000000000002380f RCX: 0000000000444189 [ 145.524114][ T8227] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 145.532088][ T8227] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 145.540157][ T8227] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 145.548148][ T8227] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 145.556285][ T8227] [ 145.558624][ T8227] Uninit was created at: [ 145.562842][ T8227] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.568558][ T8227] kmsan_slab_alloc+0x8e/0xe0 [ 145.573313][ T8227] __kmalloc+0x387/0x550 [ 145.577562][ T8227] i2cdev_read+0x128/0x350 [ 145.581988][ T8227] vfs_read+0x533/0x15a0 [ 145.586610][ T8227] ksys_read+0x275/0x500 [ 145.590846][ T8227] __se_sys_read+0x92/0xb0 [ 145.595366][ T8227] __x64_sys_read+0x4a/0x70 [ 145.599900][ T8227] do_syscall_64+0x9f/0x140 [ 145.604395][ T8227] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.610570][ T8227] [ 145.612878][ T8227] Bytes 0-4095 of 4096 are uninitialized executing program [ 145.618503][ T8227] Memory access of size 4096 starts at ffff888121d19000 [ 145.625452][ T8227] Data copied to user address 0000000020000480 [ 145.631604][ T8227] ===================================================== [ 145.657437][ T8228] ===================================================== [ 145.664451][ T8228] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.671950][ T8228] CPU: 0 PID: 8228 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.682138][ T8228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.692206][ T8228] Call Trace: [ 145.695572][ T8228] dump_stack+0x24c/0x2e0 [ 145.699904][ T8228] kmsan_report+0xfb/0x1e0 [ 145.704324][ T8228] kmsan_internal_check_memory+0x48c/0x520 [ 145.710146][ T8228] kmsan_copy_to_user+0x9c/0xb0 [ 145.715024][ T8228] _copy_to_user+0x1ac/0x270 [ 145.719620][ T8228] i2cdev_read+0x23d/0x350 [ 145.724217][ T8228] ? put_i2c_dev+0x2c0/0x2c0 [ 145.728841][ T8228] vfs_read+0x533/0x15a0 [ 145.733099][ T8228] ? __fget_light+0x249/0x850 [ 145.737793][ T8228] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.743430][ T8228] ? kmsan_get_metadata+0x116/0x180 [ 145.748636][ T8228] ksys_read+0x275/0x500 [ 145.752882][ T8228] __se_sys_read+0x92/0xb0 [ 145.757332][ T8228] __x64_sys_read+0x4a/0x70 [ 145.761837][ T8228] do_syscall_64+0x9f/0x140 [ 145.766619][ T8228] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.772514][ T8228] RIP: 0033:0x444189 [ 145.776527][ 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 [ 145.796566][ T8228] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 145.804982][ T8228] RAX: ffffffffffffffda RBX: 000000000002392f RCX: 0000000000444189 [ 145.812958][ T8228] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 145.820952][ T8228] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 145.828940][ T8228] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 145.836911][ T8228] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 145.844891][ T8228] [ 145.847207][ T8228] Uninit was created at: [ 145.851424][ T8228] kmsan_internal_poison_shadow+0x5c/0xf0 [ 145.857145][ T8228] kmsan_slab_alloc+0x8e/0xe0 [ 145.861816][ T8228] __kmalloc+0x387/0x550 [ 145.866071][ T8228] i2cdev_read+0x128/0x350 [ 145.870484][ T8228] vfs_read+0x533/0x15a0 [ 145.874734][ T8228] ksys_read+0x275/0x500 [ 145.878987][ T8228] __se_sys_read+0x92/0xb0 [ 145.883406][ T8228] __x64_sys_read+0x4a/0x70 [ 145.887924][ T8228] do_syscall_64+0x9f/0x140 [ 145.892425][ T8228] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 145.898313][ T8228] [ 145.900623][ T8228] Bytes 0-4095 of 4096 are uninitialized [ 145.906243][ T8228] Memory access of size 4096 starts at ffff888121d19000 [ 145.913167][ T8228] Data copied to user address 0000000020000480 executing program [ 145.919320][ T8228] ===================================================== [ 145.944753][ T8229] ===================================================== [ 145.951770][ T8229] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 145.959279][ T8229] CPU: 0 PID: 8229 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.969600][ T8229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.979670][ T8229] Call Trace: [ 145.983052][ T8229] dump_stack+0x24c/0x2e0 [ 145.987384][ T8229] kmsan_report+0xfb/0x1e0 [ 145.991811][ T8229] kmsan_internal_check_memory+0x48c/0x520 [ 145.997615][ T8229] kmsan_copy_to_user+0x9c/0xb0 [ 146.002461][ T8229] _copy_to_user+0x1ac/0x270 [ 146.007052][ T8229] i2cdev_read+0x23d/0x350 [ 146.011469][ T8229] ? put_i2c_dev+0x2c0/0x2c0 [ 146.016050][ T8229] vfs_read+0x533/0x15a0 [ 146.020290][ T8229] ? __fget_light+0x249/0x850 [ 146.025021][ T8229] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.030666][ T8229] ? kmsan_get_metadata+0x116/0x180 [ 146.035873][ T8229] ksys_read+0x275/0x500 [ 146.040127][ T8229] __se_sys_read+0x92/0xb0 [ 146.044567][ T8229] __x64_sys_read+0x4a/0x70 [ 146.049078][ T8229] do_syscall_64+0x9f/0x140 [ 146.053599][ T8229] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.059491][ T8229] RIP: 0033:0x444189 [ 146.063395][ 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 [ 146.083014][ T8229] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.091432][ T8229] RAX: ffffffffffffffda RBX: 0000000000023a50 RCX: 0000000000444189 [ 146.099421][ T8229] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.107409][ T8229] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 146.115384][ T8229] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 146.123356][ T8229] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.131363][ T8229] [ 146.133694][ T8229] Uninit was created at: [ 146.137914][ T8229] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.143636][ T8229] kmsan_slab_alloc+0x8e/0xe0 [ 146.148314][ T8229] __kmalloc+0x387/0x550 [ 146.152574][ T8229] i2cdev_read+0x128/0x350 [ 146.156988][ T8229] vfs_read+0x533/0x15a0 [ 146.161418][ T8229] ksys_read+0x275/0x500 [ 146.165673][ T8229] __se_sys_read+0x92/0xb0 [ 146.170191][ T8229] __x64_sys_read+0x4a/0x70 [ 146.174780][ T8229] do_syscall_64+0x9f/0x140 [ 146.179287][ T8229] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.185209][ T8229] [ 146.187536][ T8229] Bytes 0-4095 of 4096 are uninitialized executing program [ 146.193152][ T8229] Memory access of size 4096 starts at ffff888121d19000 [ 146.200084][ T8229] Data copied to user address 0000000020000480 [ 146.206544][ T8229] ===================================================== [ 146.231950][ T8230] ===================================================== [ 146.238967][ T8230] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 146.246467][ T8230] CPU: 0 PID: 8230 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.257016][ T8230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.267078][ T8230] Call Trace: [ 146.270383][ T8230] dump_stack+0x24c/0x2e0 [ 146.274739][ T8230] kmsan_report+0xfb/0x1e0 [ 146.279422][ T8230] kmsan_internal_check_memory+0x48c/0x520 [ 146.285248][ T8230] kmsan_copy_to_user+0x9c/0xb0 [ 146.290107][ T8230] _copy_to_user+0x1ac/0x270 [ 146.294751][ T8230] i2cdev_read+0x23d/0x350 [ 146.299192][ T8230] ? put_i2c_dev+0x2c0/0x2c0 [ 146.303781][ T8230] vfs_read+0x533/0x15a0 [ 146.308023][ T8230] ? __fget_light+0x249/0x850 [ 146.312708][ T8230] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.318518][ T8230] ? kmsan_get_metadata+0x116/0x180 [ 146.324054][ T8230] ksys_read+0x275/0x500 [ 146.328328][ T8230] __se_sys_read+0x92/0xb0 [ 146.332775][ T8230] __x64_sys_read+0x4a/0x70 [ 146.337369][ T8230] do_syscall_64+0x9f/0x140 [ 146.341875][ T8230] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.347767][ T8230] RIP: 0033:0x444189 [ 146.351676][ 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 [ 146.371281][ T8230] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.379702][ T8230] RAX: ffffffffffffffda RBX: 0000000000023b6f RCX: 0000000000444189 [ 146.387686][ T8230] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.395659][ T8230] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 146.403647][ T8230] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 146.411636][ T8230] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.419614][ T8230] [ 146.421939][ T8230] Uninit was created at: [ 146.426158][ T8230] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.431877][ T8230] kmsan_slab_alloc+0x8e/0xe0 [ 146.436550][ T8230] __kmalloc+0x387/0x550 [ 146.440785][ T8230] i2cdev_read+0x128/0x350 [ 146.445193][ T8230] vfs_read+0x533/0x15a0 [ 146.449458][ T8230] ksys_read+0x275/0x500 [ 146.453705][ T8230] __se_sys_read+0x92/0xb0 [ 146.458216][ T8230] __x64_sys_read+0x4a/0x70 [ 146.462713][ T8230] do_syscall_64+0x9f/0x140 [ 146.467219][ T8230] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.473236][ T8230] [ 146.475656][ T8230] Bytes 0-4095 of 4096 are uninitialized [ 146.481278][ T8230] Memory access of size 4096 starts at ffff888121d19000 [ 146.488199][ T8230] Data copied to user address 0000000020000480 executing program [ 146.494360][ T8230] ===================================================== [ 146.519850][ T8231] ===================================================== [ 146.526836][ T8231] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 146.534402][ T8231] CPU: 0 PID: 8231 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.544593][ T8231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.554654][ T8231] Call Trace: [ 146.557945][ T8231] dump_stack+0x24c/0x2e0 [ 146.562268][ T8231] kmsan_report+0xfb/0x1e0 [ 146.566692][ T8231] kmsan_internal_check_memory+0x48c/0x520 [ 146.572499][ T8231] kmsan_copy_to_user+0x9c/0xb0 [ 146.577354][ T8231] _copy_to_user+0x1ac/0x270 [ 146.581950][ T8231] i2cdev_read+0x23d/0x350 [ 146.586374][ T8231] ? put_i2c_dev+0x2c0/0x2c0 [ 146.590965][ T8231] vfs_read+0x533/0x15a0 [ 146.595207][ T8231] ? __fget_light+0x249/0x850 [ 146.599884][ T8231] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.605696][ T8231] ? kmsan_get_metadata+0x116/0x180 [ 146.610889][ T8231] ksys_read+0x275/0x500 [ 146.615139][ T8231] __se_sys_read+0x92/0xb0 [ 146.619545][ T8231] __x64_sys_read+0x4a/0x70 [ 146.624039][ T8231] do_syscall_64+0x9f/0x140 [ 146.628547][ T8231] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.634440][ T8231] RIP: 0033:0x444189 [ 146.638319][ 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 [ 146.657949][ T8231] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.666364][ T8231] RAX: ffffffffffffffda RBX: 0000000000023c8e RCX: 0000000000444189 [ 146.674337][ T8231] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.682311][ T8231] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 146.690300][ T8231] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 146.698283][ T8231] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.706260][ T8231] [ 146.708585][ T8231] Uninit was created at: [ 146.712819][ T8231] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.718538][ T8231] kmsan_slab_alloc+0x8e/0xe0 [ 146.723202][ T8231] __kmalloc+0x387/0x550 [ 146.727447][ T8231] i2cdev_read+0x128/0x350 [ 146.731939][ T8231] vfs_read+0x533/0x15a0 [ 146.736172][ T8231] ksys_read+0x275/0x500 [ 146.740406][ T8231] __se_sys_read+0x92/0xb0 [ 146.744900][ T8231] __x64_sys_read+0x4a/0x70 [ 146.749390][ T8231] do_syscall_64+0x9f/0x140 [ 146.753885][ T8231] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.759768][ T8231] [ 146.762078][ T8231] Bytes 0-4095 of 4096 are uninitialized executing program [ 146.767700][ T8231] Memory access of size 4096 starts at ffff888121d19000 [ 146.774613][ T8231] Data copied to user address 0000000020000480 [ 146.780748][ T8231] ===================================================== [ 146.801101][ T8232] ===================================================== [ 146.808108][ T8232] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 146.815622][ T8232] CPU: 0 PID: 8232 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.825826][ T8232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.835909][ T8232] Call Trace: [ 146.839181][ T8232] dump_stack+0x24c/0x2e0 [ 146.843509][ T8232] kmsan_report+0xfb/0x1e0 [ 146.847927][ T8232] kmsan_internal_check_memory+0x48c/0x520 [ 146.853738][ T8232] kmsan_copy_to_user+0x9c/0xb0 [ 146.858581][ T8232] _copy_to_user+0x1ac/0x270 [ 146.863162][ T8232] i2cdev_read+0x23d/0x350 [ 146.867585][ T8232] ? put_i2c_dev+0x2c0/0x2c0 [ 146.872174][ T8232] vfs_read+0x533/0x15a0 [ 146.876411][ T8232] ? __fget_light+0x249/0x850 [ 146.881077][ T8232] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.886701][ T8232] ? kmsan_get_metadata+0x116/0x180 [ 146.891892][ T8232] ksys_read+0x275/0x500 [ 146.896131][ T8232] __se_sys_read+0x92/0xb0 [ 146.900539][ T8232] __x64_sys_read+0x4a/0x70 [ 146.905036][ T8232] do_syscall_64+0x9f/0x140 [ 146.909542][ T8232] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 146.915459][ T8232] RIP: 0033:0x444189 [ 146.919367][ 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 [ 146.938989][ T8232] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 146.947402][ T8232] RAX: ffffffffffffffda RBX: 0000000000023dae RCX: 0000000000444189 [ 146.955363][ T8232] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 146.963499][ T8232] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 146.971478][ T8232] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 146.979491][ T8232] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 146.987549][ T8232] [ 146.989861][ T8232] Uninit was created at: [ 146.994076][ T8232] kmsan_internal_poison_shadow+0x5c/0xf0 [ 146.999792][ T8232] kmsan_slab_alloc+0x8e/0xe0 [ 147.004470][ T8232] __kmalloc+0x387/0x550 [ 147.008706][ T8232] i2cdev_read+0x128/0x350 [ 147.013125][ T8232] vfs_read+0x533/0x15a0 [ 147.017358][ T8232] ksys_read+0x275/0x500 executing program [ 147.021597][ T8232] __se_sys_read+0x92/0xb0 [ 147.026002][ T8232] __x64_sys_read+0x4a/0x70 [ 147.030495][ T8232] do_syscall_64+0x9f/0x140 [ 147.034991][ T8232] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.040983][ T8232] [ 147.043469][ T8232] Bytes 0-4095 of 4096 are uninitialized [ 147.049082][ T8232] Memory access of size 4096 starts at ffff888121d19000 [ 147.055998][ T8232] Data copied to user address 0000000020000480 [ 147.062183][ T8232] ===================================================== [ 147.085655][ T8233] ===================================================== [ 147.092666][ T8233] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.100153][ T8233] CPU: 1 PID: 8233 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.110319][ T8233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.120524][ T8233] Call Trace: [ 147.123790][ T8233] dump_stack+0x24c/0x2e0 [ 147.128111][ T8233] kmsan_report+0xfb/0x1e0 [ 147.132571][ T8233] kmsan_internal_check_memory+0x48c/0x520 [ 147.138367][ T8233] kmsan_copy_to_user+0x9c/0xb0 [ 147.143203][ T8233] _copy_to_user+0x1ac/0x270 [ 147.147787][ T8233] i2cdev_read+0x23d/0x350 [ 147.152193][ T8233] ? put_i2c_dev+0x2c0/0x2c0 [ 147.156780][ T8233] vfs_read+0x533/0x15a0 [ 147.161013][ T8233] ? __fget_light+0x249/0x850 [ 147.165697][ T8233] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.171340][ T8233] ? kmsan_get_metadata+0x116/0x180 [ 147.176530][ T8233] ksys_read+0x275/0x500 [ 147.180794][ T8233] __se_sys_read+0x92/0xb0 [ 147.185226][ T8233] __x64_sys_read+0x4a/0x70 [ 147.189738][ T8233] do_syscall_64+0x9f/0x140 [ 147.194266][ T8233] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.200163][ T8233] RIP: 0033:0x444189 [ 147.204042][ 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 [ 147.223639][ T8233] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 147.232045][ T8233] RAX: ffffffffffffffda RBX: 0000000000023ec7 RCX: 0000000000444189 [ 147.240008][ T8233] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 147.247971][ T8233] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 147.255941][ T8233] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 147.263898][ T8233] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 147.271860][ T8233] [ 147.274181][ T8233] Uninit was created at: [ 147.278398][ T8233] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.284113][ T8233] kmsan_slab_alloc+0x8e/0xe0 [ 147.288778][ T8233] __kmalloc+0x387/0x550 [ 147.293006][ T8233] i2cdev_read+0x128/0x350 [ 147.297417][ T8233] vfs_read+0x533/0x15a0 [ 147.301654][ T8233] ksys_read+0x275/0x500 [ 147.305923][ T8233] __se_sys_read+0x92/0xb0 [ 147.310341][ T8233] __x64_sys_read+0x4a/0x70 [ 147.314834][ T8233] do_syscall_64+0x9f/0x140 [ 147.319422][ T8233] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.325404][ T8233] [ 147.327728][ T8233] Bytes 0-4095 of 4096 are uninitialized executing program [ 147.333354][ T8233] Memory access of size 4096 starts at ffff888127f3b000 [ 147.340374][ T8233] Data copied to user address 0000000020000480 [ 147.346506][ T8233] ===================================================== [ 147.372044][ T8234] ===================================================== [ 147.379045][ T8234] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.386575][ T8234] CPU: 0 PID: 8234 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.396741][ T8234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.406782][ T8234] Call Trace: [ 147.410055][ T8234] dump_stack+0x24c/0x2e0 [ 147.414403][ T8234] kmsan_report+0xfb/0x1e0 [ 147.418806][ T8234] kmsan_internal_check_memory+0x48c/0x520 [ 147.424602][ T8234] kmsan_copy_to_user+0x9c/0xb0 [ 147.429442][ T8234] _copy_to_user+0x1ac/0x270 [ 147.434033][ T8234] i2cdev_read+0x23d/0x350 [ 147.438440][ T8234] ? put_i2c_dev+0x2c0/0x2c0 [ 147.443018][ T8234] vfs_read+0x533/0x15a0 [ 147.447286][ T8234] ? __fget_light+0x249/0x850 [ 147.451955][ T8234] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.457575][ T8234] ? kmsan_get_metadata+0x116/0x180 [ 147.462759][ T8234] ksys_read+0x275/0x500 [ 147.466993][ T8234] __se_sys_read+0x92/0xb0 [ 147.471403][ T8234] __x64_sys_read+0x4a/0x70 [ 147.475906][ T8234] do_syscall_64+0x9f/0x140 [ 147.480403][ T8234] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.486312][ T8234] RIP: 0033:0x444189 [ 147.490221][ 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 [ 147.509838][ T8234] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 147.518244][ T8234] RAX: ffffffffffffffda RBX: 0000000000023fe1 RCX: 0000000000444189 [ 147.526221][ T8234] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 147.534197][ T8234] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 147.542165][ T8234] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 147.550134][ T8234] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 147.558095][ T8234] [ 147.560401][ T8234] Uninit was created at: [ 147.564618][ T8234] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.570331][ T8234] kmsan_slab_alloc+0x8e/0xe0 [ 147.575004][ T8234] __kmalloc+0x387/0x550 [ 147.579263][ T8234] i2cdev_read+0x128/0x350 [ 147.583677][ T8234] vfs_read+0x533/0x15a0 [ 147.587909][ T8234] ksys_read+0x275/0x500 [ 147.592171][ T8234] __se_sys_read+0x92/0xb0 [ 147.596575][ T8234] __x64_sys_read+0x4a/0x70 [ 147.601067][ T8234] do_syscall_64+0x9f/0x140 [ 147.605559][ T8234] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.611477][ T8234] [ 147.613782][ T8234] Bytes 0-4095 of 4096 are uninitialized [ 147.619398][ T8234] Memory access of size 4096 starts at ffff888121d19000 [ 147.626397][ T8234] Data copied to user address 0000000020000480 executing program [ 147.632528][ T8234] ===================================================== [ 147.655335][ T8235] ===================================================== [ 147.662295][ T8235] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.669802][ T8235] CPU: 1 PID: 8235 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.679970][ T8235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.690046][ T8235] Call Trace: [ 147.693326][ T8235] dump_stack+0x24c/0x2e0 [ 147.697666][ T8235] kmsan_report+0xfb/0x1e0 [ 147.702075][ T8235] kmsan_internal_check_memory+0x48c/0x520 [ 147.707883][ T8235] kmsan_copy_to_user+0x9c/0xb0 [ 147.712734][ T8235] _copy_to_user+0x1ac/0x270 [ 147.717314][ T8235] i2cdev_read+0x23d/0x350 [ 147.721731][ T8235] ? put_i2c_dev+0x2c0/0x2c0 [ 147.726320][ T8235] vfs_read+0x533/0x15a0 [ 147.730567][ T8235] ? __fget_light+0x249/0x850 [ 147.735286][ T8235] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.740902][ T8235] ? kmsan_get_metadata+0x116/0x180 [ 147.746097][ T8235] ksys_read+0x275/0x500 [ 147.750366][ T8235] __se_sys_read+0x92/0xb0 [ 147.754782][ T8235] __x64_sys_read+0x4a/0x70 [ 147.759283][ T8235] do_syscall_64+0x9f/0x140 [ 147.763780][ T8235] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.769662][ T8235] RIP: 0033:0x444189 [ 147.773554][ 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 [ 147.793162][ T8235] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 147.801582][ T8235] RAX: ffffffffffffffda RBX: 0000000000024103 RCX: 0000000000444189 [ 147.809623][ T8235] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 147.817577][ T8235] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 147.825549][ T8235] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 147.833510][ T8235] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 147.841475][ T8235] [ 147.843806][ T8235] Uninit was created at: [ 147.848019][ T8235] kmsan_internal_poison_shadow+0x5c/0xf0 [ 147.853732][ T8235] kmsan_slab_alloc+0x8e/0xe0 [ 147.858492][ T8235] __kmalloc+0x387/0x550 [ 147.862721][ T8235] i2cdev_read+0x128/0x350 [ 147.867124][ T8235] vfs_read+0x533/0x15a0 [ 147.871554][ T8235] ksys_read+0x275/0x500 [ 147.875783][ T8235] __se_sys_read+0x92/0xb0 [ 147.880184][ T8235] __x64_sys_read+0x4a/0x70 [ 147.884690][ T8235] do_syscall_64+0x9f/0x140 executing program [ 147.889200][ T8235] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 147.895081][ T8235] [ 147.897383][ T8235] Bytes 0-4095 of 4096 are uninitialized [ 147.903002][ T8235] Memory access of size 4096 starts at ffff888127f3b000 [ 147.910013][ T8235] Data copied to user address 0000000020000480 [ 147.916141][ T8235] ===================================================== [ 147.942910][ T8236] ===================================================== [ 147.949872][ T8236] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 147.957547][ T8236] CPU: 1 PID: 8236 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.967829][ T8236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.977882][ T8236] Call Trace: [ 147.981162][ T8236] dump_stack+0x24c/0x2e0 [ 147.985501][ T8236] kmsan_report+0xfb/0x1e0 [ 147.989913][ T8236] kmsan_internal_check_memory+0x48c/0x520 [ 147.995741][ T8236] kmsan_copy_to_user+0x9c/0xb0 [ 148.000605][ T8236] _copy_to_user+0x1ac/0x270 [ 148.005200][ T8236] i2cdev_read+0x23d/0x350 [ 148.009628][ T8236] ? put_i2c_dev+0x2c0/0x2c0 [ 148.014207][ T8236] vfs_read+0x533/0x15a0 [ 148.018446][ T8236] ? __fget_light+0x249/0x850 [ 148.023112][ T8236] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.028730][ T8236] ? kmsan_get_metadata+0x116/0x180 [ 148.033938][ T8236] ksys_read+0x275/0x500 [ 148.038173][ T8236] __se_sys_read+0x92/0xb0 [ 148.042590][ T8236] __x64_sys_read+0x4a/0x70 [ 148.047092][ T8236] do_syscall_64+0x9f/0x140 [ 148.051584][ T8236] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.057476][ T8236] RIP: 0033:0x444189 [ 148.061353][ 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 [ 148.080959][ T8236] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.089359][ T8236] RAX: ffffffffffffffda RBX: 000000000002421a RCX: 0000000000444189 [ 148.097499][ T8236] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.105456][ T8236] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 148.113427][ T8236] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 148.121409][ T8236] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 148.129379][ T8236] [ 148.131694][ T8236] Uninit was created at: [ 148.135931][ T8236] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.141655][ T8236] kmsan_slab_alloc+0x8e/0xe0 [ 148.146318][ T8236] __kmalloc+0x387/0x550 [ 148.150548][ T8236] i2cdev_read+0x128/0x350 [ 148.154963][ T8236] vfs_read+0x533/0x15a0 [ 148.159198][ T8236] ksys_read+0x275/0x500 [ 148.163440][ T8236] __se_sys_read+0x92/0xb0 [ 148.167844][ T8236] __x64_sys_read+0x4a/0x70 [ 148.172333][ T8236] do_syscall_64+0x9f/0x140 [ 148.176822][ T8236] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.182702][ T8236] [ 148.185009][ T8236] Bytes 0-4095 of 4096 are uninitialized executing program [ 148.190619][ T8236] Memory access of size 4096 starts at ffff888127f3b000 [ 148.197550][ T8236] Data copied to user address 0000000020000480 [ 148.203728][ T8236] ===================================================== [ 148.228437][ T8237] ===================================================== [ 148.235394][ T8237] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.242881][ T8237] CPU: 0 PID: 8237 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.253047][ T8237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.263263][ T8237] Call Trace: [ 148.266531][ T8237] dump_stack+0x24c/0x2e0 [ 148.270855][ T8237] kmsan_report+0xfb/0x1e0 [ 148.275262][ T8237] kmsan_internal_check_memory+0x48c/0x520 [ 148.281079][ T8237] kmsan_copy_to_user+0x9c/0xb0 [ 148.285933][ T8237] _copy_to_user+0x1ac/0x270 [ 148.290615][ T8237] i2cdev_read+0x23d/0x350 [ 148.295024][ T8237] ? put_i2c_dev+0x2c0/0x2c0 [ 148.299601][ T8237] vfs_read+0x533/0x15a0 [ 148.303849][ T8237] ? __fget_light+0x249/0x850 [ 148.308536][ T8237] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.314173][ T8237] ? kmsan_get_metadata+0x116/0x180 [ 148.319706][ T8237] ksys_read+0x275/0x500 [ 148.323957][ T8237] __se_sys_read+0x92/0xb0 [ 148.328365][ T8237] __x64_sys_read+0x4a/0x70 [ 148.332883][ T8237] do_syscall_64+0x9f/0x140 [ 148.337390][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.343283][ T8237] RIP: 0033:0x444189 [ 148.347163][ 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 [ 148.366762][ T8237] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.375194][ T8237] RAX: ffffffffffffffda RBX: 000000000002433d RCX: 0000000000444189 [ 148.383154][ T8237] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.391113][ T8237] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 148.399073][ T8237] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 148.407027][ T8237] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 148.415006][ T8237] [ 148.417327][ T8237] Uninit was created at: [ 148.421546][ T8237] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.427261][ T8237] kmsan_slab_alloc+0x8e/0xe0 [ 148.431937][ T8237] __kmalloc+0x387/0x550 [ 148.436191][ T8237] i2cdev_read+0x128/0x350 [ 148.440602][ T8237] vfs_read+0x533/0x15a0 [ 148.444849][ T8237] ksys_read+0x275/0x500 [ 148.449088][ T8237] __se_sys_read+0x92/0xb0 [ 148.453580][ T8237] __x64_sys_read+0x4a/0x70 [ 148.458093][ T8237] do_syscall_64+0x9f/0x140 [ 148.462588][ T8237] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.468470][ T8237] [ 148.470772][ T8237] Bytes 0-4095 of 4096 are uninitialized [ 148.476384][ T8237] Memory access of size 4096 starts at ffff888121d19000 [ 148.483310][ T8237] Data copied to user address 0000000020000480 executing program [ 148.489459][ T8237] ===================================================== [ 148.513321][ T8238] ===================================================== [ 148.520300][ T8238] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.527816][ T8238] CPU: 1 PID: 8238 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.537986][ T8238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.548079][ T8238] Call Trace: [ 148.551349][ T8238] dump_stack+0x24c/0x2e0 [ 148.555708][ T8238] kmsan_report+0xfb/0x1e0 [ 148.560126][ T8238] kmsan_internal_check_memory+0x48c/0x520 [ 148.565919][ T8238] kmsan_copy_to_user+0x9c/0xb0 [ 148.570758][ T8238] _copy_to_user+0x1ac/0x270 [ 148.575337][ T8238] i2cdev_read+0x23d/0x350 [ 148.579756][ T8238] ? put_i2c_dev+0x2c0/0x2c0 [ 148.584399][ T8238] vfs_read+0x533/0x15a0 [ 148.588647][ T8238] ? __fget_light+0x249/0x850 [ 148.593327][ T8238] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.599119][ T8238] ? kmsan_get_metadata+0x116/0x180 [ 148.604304][ T8238] ksys_read+0x275/0x500 [ 148.608541][ T8238] __se_sys_read+0x92/0xb0 [ 148.612948][ T8238] __x64_sys_read+0x4a/0x70 [ 148.617441][ T8238] do_syscall_64+0x9f/0x140 [ 148.621949][ T8238] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.627835][ T8238] RIP: 0033:0x444189 [ 148.631728][ 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 [ 148.651340][ T8238] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.659748][ T8238] RAX: ffffffffffffffda RBX: 000000000002445b RCX: 0000000000444189 [ 148.667707][ T8238] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.675666][ T8238] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 148.683637][ T8238] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 148.691874][ T8238] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 148.699852][ T8238] [ 148.702173][ T8238] Uninit was created at: [ 148.706403][ T8238] kmsan_internal_poison_shadow+0x5c/0xf0 [ 148.712126][ T8238] kmsan_slab_alloc+0x8e/0xe0 [ 148.716804][ T8238] __kmalloc+0x387/0x550 [ 148.721050][ T8238] i2cdev_read+0x128/0x350 [ 148.725503][ T8238] vfs_read+0x533/0x15a0 [ 148.729742][ T8238] ksys_read+0x275/0x500 [ 148.733973][ T8238] __se_sys_read+0x92/0xb0 [ 148.738378][ T8238] __x64_sys_read+0x4a/0x70 executing program [ 148.742879][ T8238] do_syscall_64+0x9f/0x140 [ 148.747466][ T8238] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.753347][ T8238] [ 148.755663][ T8238] Bytes 0-4095 of 4096 are uninitialized [ 148.761275][ T8238] Memory access of size 4096 starts at ffff888127f3b000 [ 148.768205][ T8238] Data copied to user address 0000000020000480 [ 148.774338][ T8238] ===================================================== [ 148.817157][ T8239] ===================================================== [ 148.824159][ T8239] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 148.831643][ T8239] CPU: 0 PID: 8239 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.841913][ T8239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.851974][ T8239] Call Trace: [ 148.855253][ T8239] dump_stack+0x24c/0x2e0 [ 148.859578][ T8239] kmsan_report+0xfb/0x1e0 [ 148.863998][ T8239] kmsan_internal_check_memory+0x48c/0x520 [ 148.869866][ T8239] kmsan_copy_to_user+0x9c/0xb0 [ 148.874772][ T8239] _copy_to_user+0x1ac/0x270 [ 148.879399][ T8239] i2cdev_read+0x23d/0x350 [ 148.883807][ T8239] ? put_i2c_dev+0x2c0/0x2c0 [ 148.888401][ T8239] vfs_read+0x533/0x15a0 [ 148.892651][ T8239] ? __fget_light+0x249/0x850 [ 148.897333][ T8239] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.902952][ T8239] ? kmsan_get_metadata+0x116/0x180 [ 148.908138][ T8239] ksys_read+0x275/0x500 [ 148.912402][ T8239] __se_sys_read+0x92/0xb0 [ 148.916834][ T8239] __x64_sys_read+0x4a/0x70 [ 148.921331][ T8239] do_syscall_64+0x9f/0x140 [ 148.925837][ T8239] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 148.931717][ T8239] RIP: 0033:0x444189 [ 148.935595][ 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 [ 148.955205][ T8239] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 148.963717][ T8239] RAX: ffffffffffffffda RBX: 0000000000024575 RCX: 0000000000444189 [ 148.971685][ T8239] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 148.979654][ T8239] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 148.987689][ T8239] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 148.995672][ T8239] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.003776][ T8239] [ 149.006089][ T8239] Uninit was created at: [ 149.010306][ T8239] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.016029][ T8239] kmsan_slab_alloc+0x8e/0xe0 [ 149.020691][ T8239] __kmalloc+0x387/0x550 [ 149.024945][ T8239] i2cdev_read+0x128/0x350 [ 149.029372][ T8239] vfs_read+0x533/0x15a0 [ 149.033609][ T8239] ksys_read+0x275/0x500 [ 149.037845][ T8239] __se_sys_read+0x92/0xb0 [ 149.042263][ T8239] __x64_sys_read+0x4a/0x70 [ 149.046758][ T8239] do_syscall_64+0x9f/0x140 [ 149.051250][ T8239] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.057134][ T8239] [ 149.059462][ T8239] Bytes 0-4095 of 4096 are uninitialized executing program [ 149.065073][ T8239] Memory access of size 4096 starts at ffff888121d19000 [ 149.072083][ T8239] Data copied to user address 0000000020000480 [ 149.078214][ T8239] ===================================================== [ 149.100429][ T8240] ===================================================== [ 149.107408][ T8240] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.114916][ T8240] CPU: 1 PID: 8240 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.125085][ T8240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.135150][ T8240] Call Trace: [ 149.138429][ T8240] dump_stack+0x24c/0x2e0 [ 149.142770][ T8240] kmsan_report+0xfb/0x1e0 [ 149.147179][ T8240] kmsan_internal_check_memory+0x48c/0x520 [ 149.152987][ T8240] kmsan_copy_to_user+0x9c/0xb0 [ 149.157828][ T8240] _copy_to_user+0x1ac/0x270 [ 149.162408][ T8240] i2cdev_read+0x23d/0x350 [ 149.166830][ T8240] ? put_i2c_dev+0x2c0/0x2c0 [ 149.171409][ T8240] vfs_read+0x533/0x15a0 [ 149.175664][ T8240] ? __fget_light+0x249/0x850 [ 149.180437][ T8240] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.186074][ T8240] ? kmsan_get_metadata+0x116/0x180 [ 149.191275][ T8240] ksys_read+0x275/0x500 [ 149.195796][ T8240] __se_sys_read+0x92/0xb0 [ 149.200213][ T8240] __x64_sys_read+0x4a/0x70 [ 149.204763][ T8240] do_syscall_64+0x9f/0x140 [ 149.209426][ T8240] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.215353][ T8240] RIP: 0033:0x444189 [ 149.219247][ T8240] 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 [ 149.238854][ T8240] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.247259][ T8240] RAX: ffffffffffffffda RBX: 00000000000246a2 RCX: 0000000000444189 [ 149.255220][ T8240] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.263200][ T8240] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 149.271159][ T8240] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 149.279130][ T8240] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.287093][ T8240] [ 149.289402][ T8240] Uninit was created at: [ 149.293617][ T8240] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.299335][ T8240] kmsan_slab_alloc+0x8e/0xe0 [ 149.304039][ T8240] __kmalloc+0x387/0x550 [ 149.308717][ T8240] i2cdev_read+0x128/0x350 [ 149.313226][ T8240] vfs_read+0x533/0x15a0 [ 149.317471][ T8240] ksys_read+0x275/0x500 [ 149.321701][ T8240] __se_sys_read+0x92/0xb0 [ 149.326206][ T8240] __x64_sys_read+0x4a/0x70 [ 149.330697][ T8240] do_syscall_64+0x9f/0x140 [ 149.335206][ T8240] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.341086][ T8240] [ 149.343394][ T8240] Bytes 0-4095 of 4096 are uninitialized [ 149.349116][ T8240] Memory access of size 4096 starts at ffff888127f3b000 [ 149.356044][ T8240] Data copied to user address 0000000020000480 [ 149.362884][ T8240] ===================================================== executing program [ 149.388781][ T8241] ===================================================== [ 149.395753][ T8241] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.403244][ T8241] CPU: 1 PID: 8241 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.413603][ T8241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.423659][ T8241] Call Trace: [ 149.426939][ T8241] dump_stack+0x24c/0x2e0 [ 149.431264][ T8241] kmsan_report+0xfb/0x1e0 [ 149.435674][ T8241] kmsan_internal_check_memory+0x48c/0x520 [ 149.441473][ T8241] kmsan_copy_to_user+0x9c/0xb0 [ 149.446314][ T8241] _copy_to_user+0x1ac/0x270 [ 149.450898][ T8241] i2cdev_read+0x23d/0x350 [ 149.455305][ T8241] ? put_i2c_dev+0x2c0/0x2c0 [ 149.459883][ T8241] vfs_read+0x533/0x15a0 [ 149.464135][ T8241] ? __fget_light+0x249/0x850 [ 149.468817][ T8241] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.474445][ T8241] ? kmsan_get_metadata+0x116/0x180 [ 149.479635][ T8241] ksys_read+0x275/0x500 [ 149.483884][ T8241] __se_sys_read+0x92/0xb0 [ 149.488307][ T8241] __x64_sys_read+0x4a/0x70 [ 149.492801][ T8241] do_syscall_64+0x9f/0x140 [ 149.497295][ T8241] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.503263][ T8241] RIP: 0033:0x444189 [ 149.507144][ T8241] 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 [ 149.526735][ T8241] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.535150][ T8241] RAX: ffffffffffffffda RBX: 00000000000247c2 RCX: 0000000000444189 [ 149.543107][ T8241] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.551076][ T8241] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 149.559048][ T8241] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 149.567003][ T8241] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.574963][ T8241] [ 149.577269][ T8241] Uninit was created at: [ 149.581526][ T8241] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.587260][ T8241] kmsan_slab_alloc+0x8e/0xe0 [ 149.591958][ T8241] __kmalloc+0x387/0x550 [ 149.596186][ T8241] i2cdev_read+0x128/0x350 [ 149.600590][ T8241] vfs_read+0x533/0x15a0 [ 149.604820][ T8241] ksys_read+0x275/0x500 [ 149.609049][ T8241] __se_sys_read+0x92/0xb0 [ 149.613554][ T8241] __x64_sys_read+0x4a/0x70 [ 149.618060][ T8241] do_syscall_64+0x9f/0x140 [ 149.622552][ T8241] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.628433][ T8241] [ 149.630755][ T8241] Bytes 0-4095 of 4096 are uninitialized executing program [ 149.636378][ T8241] Memory access of size 4096 starts at ffff888127f3b000 [ 149.643290][ T8241] Data copied to user address 0000000020000480 [ 149.649423][ T8241] ===================================================== [ 149.674169][ T8242] ===================================================== [ 149.681147][ T8242] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.688637][ T8242] CPU: 0 PID: 8242 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.698925][ T8242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.708969][ T8242] Call Trace: [ 149.712237][ T8242] dump_stack+0x24c/0x2e0 [ 149.716563][ T8242] kmsan_report+0xfb/0x1e0 [ 149.720968][ T8242] kmsan_internal_check_memory+0x48c/0x520 [ 149.726766][ T8242] kmsan_copy_to_user+0x9c/0xb0 [ 149.731621][ T8242] _copy_to_user+0x1ac/0x270 [ 149.736201][ T8242] i2cdev_read+0x23d/0x350 [ 149.740619][ T8242] ? put_i2c_dev+0x2c0/0x2c0 [ 149.745309][ T8242] vfs_read+0x533/0x15a0 [ 149.749543][ T8242] ? __fget_light+0x249/0x850 [ 149.754213][ T8242] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.759863][ T8242] ? kmsan_get_metadata+0x116/0x180 [ 149.765093][ T8242] ksys_read+0x275/0x500 [ 149.769329][ T8242] __se_sys_read+0x92/0xb0 [ 149.773752][ T8242] __x64_sys_read+0x4a/0x70 [ 149.778259][ T8242] do_syscall_64+0x9f/0x140 [ 149.782768][ T8242] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.788650][ T8242] RIP: 0033:0x444189 [ 149.792531][ T8242] 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 [ 149.812143][ T8242] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 149.820545][ T8242] RAX: ffffffffffffffda RBX: 00000000000248e3 RCX: 0000000000444189 [ 149.828591][ T8242] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 149.836561][ T8242] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 149.844532][ T8242] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 149.852491][ T8242] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 149.860458][ T8242] [ 149.862850][ T8242] Uninit was created at: [ 149.867332][ T8242] kmsan_internal_poison_shadow+0x5c/0xf0 [ 149.873066][ T8242] kmsan_slab_alloc+0x8e/0xe0 [ 149.877730][ T8242] __kmalloc+0x387/0x550 [ 149.881965][ T8242] i2cdev_read+0x128/0x350 [ 149.886393][ T8242] vfs_read+0x533/0x15a0 [ 149.890624][ T8242] ksys_read+0x275/0x500 [ 149.894857][ T8242] __se_sys_read+0x92/0xb0 [ 149.899260][ T8242] __x64_sys_read+0x4a/0x70 [ 149.903751][ T8242] do_syscall_64+0x9f/0x140 [ 149.908257][ T8242] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 149.914156][ T8242] [ 149.916462][ T8242] Bytes 0-4095 of 4096 are uninitialized [ 149.922086][ T8242] Memory access of size 4096 starts at ffff888121d19000 [ 149.929016][ T8242] Data copied to user address 0000000020000480 executing program [ 149.935237][ T8242] ===================================================== [ 149.959574][ T8243] ===================================================== [ 149.966543][ T8243] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 149.974067][ T8243] CPU: 1 PID: 8243 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.984275][ T8243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.994458][ T8243] Call Trace: [ 149.997731][ T8243] dump_stack+0x24c/0x2e0 [ 150.002059][ T8243] kmsan_report+0xfb/0x1e0 [ 150.006466][ T8243] kmsan_internal_check_memory+0x48c/0x520 [ 150.012348][ T8243] kmsan_copy_to_user+0x9c/0xb0 [ 150.017186][ T8243] _copy_to_user+0x1ac/0x270 [ 150.021798][ T8243] i2cdev_read+0x23d/0x350 [ 150.026205][ T8243] ? put_i2c_dev+0x2c0/0x2c0 [ 150.030795][ T8243] vfs_read+0x533/0x15a0 [ 150.035043][ T8243] ? __fget_light+0x249/0x850 [ 150.039713][ T8243] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.045361][ T8243] ? kmsan_get_metadata+0x116/0x180 [ 150.050550][ T8243] ksys_read+0x275/0x500 [ 150.054784][ T8243] __se_sys_read+0x92/0xb0 [ 150.059205][ T8243] __x64_sys_read+0x4a/0x70 [ 150.063713][ T8243] do_syscall_64+0x9f/0x140 [ 150.068237][ T8243] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.074128][ T8243] RIP: 0033:0x444189 [ 150.078193][ T8243] 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 [ 150.097828][ T8243] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.106235][ T8243] RAX: ffffffffffffffda RBX: 0000000000024a01 RCX: 0000000000444189 [ 150.114203][ T8243] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.122192][ T8243] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 150.130166][ T8243] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 150.138253][ T8243] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 150.146242][ T8243] [ 150.148561][ T8243] Uninit was created at: [ 150.152777][ T8243] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.158503][ T8243] kmsan_slab_alloc+0x8e/0xe0 [ 150.163177][ T8243] __kmalloc+0x387/0x550 [ 150.167552][ T8243] i2cdev_read+0x128/0x350 [ 150.171968][ T8243] vfs_read+0x533/0x15a0 [ 150.176224][ T8243] ksys_read+0x275/0x500 [ 150.180470][ T8243] __se_sys_read+0x92/0xb0 [ 150.184874][ T8243] __x64_sys_read+0x4a/0x70 executing program [ 150.189383][ T8243] do_syscall_64+0x9f/0x140 [ 150.193878][ T8243] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.199762][ T8243] [ 150.202072][ T8243] Bytes 0-4095 of 4096 are uninitialized [ 150.207680][ T8243] Memory access of size 4096 starts at ffff888127f3b000 [ 150.214592][ T8243] Data copied to user address 0000000020000480 [ 150.220723][ T8243] ===================================================== [ 150.241937][ T8244] ===================================================== [ 150.248908][ T8244] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.256398][ T8244] CPU: 0 PID: 8244 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.266569][ T8244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.276656][ T8244] Call Trace: [ 150.279993][ T8244] dump_stack+0x24c/0x2e0 [ 150.284324][ T8244] kmsan_report+0xfb/0x1e0 [ 150.288731][ T8244] kmsan_internal_check_memory+0x48c/0x520 [ 150.294535][ T8244] kmsan_copy_to_user+0x9c/0xb0 [ 150.299377][ T8244] _copy_to_user+0x1ac/0x270 [ 150.303960][ T8244] i2cdev_read+0x23d/0x350 [ 150.308383][ T8244] ? put_i2c_dev+0x2c0/0x2c0 [ 150.312964][ T8244] vfs_read+0x533/0x15a0 [ 150.317205][ T8244] ? __fget_light+0x249/0x850 [ 150.321892][ T8244] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.327517][ T8244] ? kmsan_get_metadata+0x116/0x180 [ 150.332715][ T8244] ksys_read+0x275/0x500 [ 150.336996][ T8244] __se_sys_read+0x92/0xb0 [ 150.341449][ T8244] __x64_sys_read+0x4a/0x70 [ 150.345947][ T8244] do_syscall_64+0x9f/0x140 [ 150.350448][ T8244] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.356363][ T8244] RIP: 0033:0x444189 [ 150.360266][ T8244] 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 [ 150.379953][ T8244] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.388383][ T8244] RAX: ffffffffffffffda RBX: 0000000000024b1a RCX: 0000000000444189 [ 150.396350][ T8244] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.404336][ T8244] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 150.412316][ T8244] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 150.420278][ T8244] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 150.428244][ T8244] [ 150.430558][ T8244] Uninit was created at: [ 150.434781][ T8244] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.440498][ T8244] kmsan_slab_alloc+0x8e/0xe0 [ 150.445162][ T8244] __kmalloc+0x387/0x550 [ 150.449481][ T8244] i2cdev_read+0x128/0x350 [ 150.453934][ T8244] vfs_read+0x533/0x15a0 [ 150.458216][ T8244] ksys_read+0x275/0x500 [ 150.462474][ T8244] __se_sys_read+0x92/0xb0 [ 150.466886][ T8244] __x64_sys_read+0x4a/0x70 [ 150.471427][ T8244] do_syscall_64+0x9f/0x140 [ 150.475938][ T8244] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.481845][ T8244] [ 150.484170][ T8244] Bytes 0-4095 of 4096 are uninitialized executing program [ 150.489795][ T8244] Memory access of size 4096 starts at ffff888121d19000 [ 150.496770][ T8244] Data copied to user address 0000000020000480 [ 150.502937][ T8244] ===================================================== [ 150.527164][ T8245] ===================================================== [ 150.534116][ T8245] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.541606][ T8245] CPU: 0 PID: 8245 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.551777][ T8245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.562261][ T8245] Call Trace: [ 150.565540][ T8245] dump_stack+0x24c/0x2e0 [ 150.569866][ T8245] kmsan_report+0xfb/0x1e0 [ 150.574273][ T8245] kmsan_internal_check_memory+0x48c/0x520 [ 150.580068][ T8245] kmsan_copy_to_user+0x9c/0xb0 [ 150.585050][ T8245] _copy_to_user+0x1ac/0x270 [ 150.589661][ T8245] i2cdev_read+0x23d/0x350 [ 150.594118][ T8245] ? put_i2c_dev+0x2c0/0x2c0 [ 150.598711][ T8245] vfs_read+0x533/0x15a0 [ 150.602945][ T8245] ? __fget_light+0x249/0x850 [ 150.607626][ T8245] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.613278][ T8245] ? kmsan_get_metadata+0x116/0x180 [ 150.618464][ T8245] ksys_read+0x275/0x500 [ 150.622714][ T8245] __se_sys_read+0x92/0xb0 [ 150.627121][ T8245] __x64_sys_read+0x4a/0x70 [ 150.631612][ T8245] do_syscall_64+0x9f/0x140 [ 150.636117][ T8245] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.642002][ T8245] RIP: 0033:0x444189 [ 150.645882][ T8245] 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 [ 150.665780][ T8245] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.674188][ T8245] RAX: ffffffffffffffda RBX: 0000000000024c37 RCX: 0000000000444189 [ 150.682165][ T8245] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.690151][ T8245] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 150.698123][ T8245] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 150.706096][ T8245] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 150.714192][ T8245] [ 150.716515][ T8245] Uninit was created at: [ 150.720749][ T8245] kmsan_internal_poison_shadow+0x5c/0xf0 [ 150.726575][ T8245] kmsan_slab_alloc+0x8e/0xe0 [ 150.731346][ T8245] __kmalloc+0x387/0x550 [ 150.735660][ T8245] i2cdev_read+0x128/0x350 [ 150.740087][ T8245] vfs_read+0x533/0x15a0 [ 150.744344][ T8245] ksys_read+0x275/0x500 [ 150.748624][ T8245] __se_sys_read+0x92/0xb0 [ 150.753047][ T8245] __x64_sys_read+0x4a/0x70 [ 150.757555][ T8245] do_syscall_64+0x9f/0x140 [ 150.762045][ T8245] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.767926][ T8245] [ 150.770248][ T8245] Bytes 0-4095 of 4096 are uninitialized [ 150.775864][ T8245] Memory access of size 4096 starts at ffff888121d19000 [ 150.782924][ T8245] Data copied to user address 0000000020000480 executing program [ 150.789097][ T8245] ===================================================== [ 150.814772][ T8246] ===================================================== [ 150.821750][ T8246] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 150.829240][ T8246] CPU: 0 PID: 8246 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.839422][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.849489][ T8246] Call Trace: [ 150.852756][ T8246] dump_stack+0x24c/0x2e0 [ 150.857093][ T8246] kmsan_report+0xfb/0x1e0 [ 150.861558][ T8246] kmsan_internal_check_memory+0x48c/0x520 [ 150.867358][ T8246] kmsan_copy_to_user+0x9c/0xb0 [ 150.872216][ T8246] _copy_to_user+0x1ac/0x270 [ 150.876810][ T8246] i2cdev_read+0x23d/0x350 [ 150.881238][ T8246] ? put_i2c_dev+0x2c0/0x2c0 [ 150.885818][ T8246] vfs_read+0x533/0x15a0 [ 150.890051][ T8246] ? __fget_light+0x249/0x850 [ 150.894730][ T8246] ? kmsan_internal_set_origin+0x85/0xc0 [ 150.900349][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 150.905542][ T8246] ksys_read+0x275/0x500 [ 150.909798][ T8246] __se_sys_read+0x92/0xb0 [ 150.914206][ T8246] __x64_sys_read+0x4a/0x70 [ 150.918697][ T8246] do_syscall_64+0x9f/0x140 [ 150.923209][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 150.929104][ T8246] RIP: 0033:0x444189 [ 150.933119][ T8246] 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 [ 150.952740][ T8246] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 150.961331][ T8246] RAX: ffffffffffffffda RBX: 0000000000024d56 RCX: 0000000000444189 [ 150.969301][ T8246] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 150.977256][ T8246] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 150.985214][ T8246] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 150.993171][ T8246] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.001148][ T8246] [ 151.003455][ T8246] Uninit was created at: [ 151.007670][ T8246] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.013397][ T8246] kmsan_slab_alloc+0x8e/0xe0 [ 151.018075][ T8246] __kmalloc+0x387/0x550 [ 151.022305][ T8246] i2cdev_read+0x128/0x350 [ 151.026711][ T8246] vfs_read+0x533/0x15a0 [ 151.030957][ T8246] ksys_read+0x275/0x500 [ 151.035200][ T8246] __se_sys_read+0x92/0xb0 [ 151.039622][ T8246] __x64_sys_read+0x4a/0x70 executing program [ 151.044157][ T8246] do_syscall_64+0x9f/0x140 [ 151.048652][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.054530][ T8246] [ 151.057189][ T8246] Bytes 0-4095 of 4096 are uninitialized [ 151.062799][ T8246] Memory access of size 4096 starts at ffff888121d19000 [ 151.069902][ T8246] Data copied to user address 0000000020000480 [ 151.076032][ T8246] ===================================================== [ 151.101347][ T8247] ===================================================== [ 151.108403][ T8247] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.115906][ T8247] CPU: 1 PID: 8247 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.126072][ T8247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.136129][ T8247] Call Trace: [ 151.139399][ T8247] dump_stack+0x24c/0x2e0 [ 151.143720][ T8247] kmsan_report+0xfb/0x1e0 [ 151.148145][ T8247] kmsan_internal_check_memory+0x48c/0x520 [ 151.153939][ T8247] kmsan_copy_to_user+0x9c/0xb0 [ 151.158806][ T8247] _copy_to_user+0x1ac/0x270 [ 151.163390][ T8247] i2cdev_read+0x23d/0x350 [ 151.167811][ T8247] ? put_i2c_dev+0x2c0/0x2c0 [ 151.172586][ T8247] vfs_read+0x533/0x15a0 [ 151.176821][ T8247] ? __fget_light+0x249/0x850 [ 151.181489][ T8247] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.187128][ T8247] ? kmsan_get_metadata+0x116/0x180 [ 151.192316][ T8247] ksys_read+0x275/0x500 [ 151.196553][ T8247] __se_sys_read+0x92/0xb0 [ 151.200971][ T8247] __x64_sys_read+0x4a/0x70 [ 151.205472][ T8247] do_syscall_64+0x9f/0x140 [ 151.210053][ T8247] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.215945][ T8247] RIP: 0033:0x444189 [ 151.219822][ T8247] 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 [ 151.239438][ T8247] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 151.247866][ T8247] RAX: ffffffffffffffda RBX: 0000000000024e75 RCX: 0000000000444189 [ 151.255830][ T8247] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 151.263794][ T8247] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 151.271857][ T8247] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 151.279833][ T8247] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.287811][ T8247] [ 151.290123][ T8247] Uninit was created at: [ 151.294438][ T8247] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.300172][ T8247] kmsan_slab_alloc+0x8e/0xe0 [ 151.304942][ T8247] __kmalloc+0x387/0x550 [ 151.309191][ T8247] i2cdev_read+0x128/0x350 [ 151.313601][ T8247] vfs_read+0x533/0x15a0 [ 151.317939][ T8247] ksys_read+0x275/0x500 [ 151.322172][ T8247] __se_sys_read+0x92/0xb0 [ 151.326602][ T8247] __x64_sys_read+0x4a/0x70 [ 151.331094][ T8247] do_syscall_64+0x9f/0x140 [ 151.335588][ T8247] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.341467][ T8247] [ 151.343775][ T8247] Bytes 0-4095 of 4096 are uninitialized executing program [ 151.349395][ T8247] Memory access of size 4096 starts at ffff888127f3b000 [ 151.356305][ T8247] Data copied to user address 0000000020000480 [ 151.362441][ T8247] ===================================================== [ 151.389545][ T8248] ===================================================== [ 151.396714][ T8248] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.404206][ T8248] CPU: 0 PID: 8248 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.414414][ T8248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.424560][ T8248] Call Trace: [ 151.427834][ T8248] dump_stack+0x24c/0x2e0 [ 151.432177][ T8248] kmsan_report+0xfb/0x1e0 [ 151.436599][ T8248] kmsan_internal_check_memory+0x48c/0x520 [ 151.442395][ T8248] kmsan_copy_to_user+0x9c/0xb0 [ 151.447235][ T8248] _copy_to_user+0x1ac/0x270 [ 151.451830][ T8248] i2cdev_read+0x23d/0x350 [ 151.456252][ T8248] ? put_i2c_dev+0x2c0/0x2c0 [ 151.460845][ T8248] vfs_read+0x533/0x15a0 [ 151.465096][ T8248] ? __fget_light+0x249/0x850 [ 151.469771][ T8248] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.475429][ T8248] ? kmsan_get_metadata+0x116/0x180 [ 151.480634][ T8248] ksys_read+0x275/0x500 [ 151.484870][ T8248] __se_sys_read+0x92/0xb0 [ 151.489276][ T8248] __x64_sys_read+0x4a/0x70 [ 151.493770][ T8248] do_syscall_64+0x9f/0x140 [ 151.498264][ T8248] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.504161][ T8248] RIP: 0033:0x444189 [ 151.508040][ T8248] 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 [ 151.527723][ T8248] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 151.536126][ T8248] RAX: ffffffffffffffda RBX: 0000000000024f93 RCX: 0000000000444189 [ 151.544182][ T8248] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 151.552139][ T8248] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 151.560102][ T8248] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 151.568078][ T8248] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.576040][ T8248] [ 151.578361][ T8248] Uninit was created at: [ 151.582594][ T8248] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.588331][ T8248] kmsan_slab_alloc+0x8e/0xe0 [ 151.593094][ T8248] __kmalloc+0x387/0x550 [ 151.597324][ T8248] i2cdev_read+0x128/0x350 [ 151.601741][ T8248] vfs_read+0x533/0x15a0 [ 151.605986][ T8248] ksys_read+0x275/0x500 [ 151.610219][ T8248] __se_sys_read+0x92/0xb0 [ 151.614635][ T8248] __x64_sys_read+0x4a/0x70 [ 151.619124][ T8248] do_syscall_64+0x9f/0x140 [ 151.623707][ T8248] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.629593][ T8248] [ 151.631931][ T8248] Bytes 0-4095 of 4096 are uninitialized [ 151.637544][ T8248] Memory access of size 4096 starts at ffff888121d19000 [ 151.644474][ T8248] Data copied to user address 0000000020000480 executing program [ 151.650620][ T8248] ===================================================== [ 151.672058][ T8249] ===================================================== [ 151.679044][ T8249] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.686551][ T8249] CPU: 0 PID: 8249 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.696745][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.706932][ T8249] Call Trace: [ 151.710216][ T8249] dump_stack+0x24c/0x2e0 [ 151.714577][ T8249] kmsan_report+0xfb/0x1e0 [ 151.719069][ T8249] kmsan_internal_check_memory+0x48c/0x520 [ 151.724930][ T8249] kmsan_copy_to_user+0x9c/0xb0 [ 151.729773][ T8249] _copy_to_user+0x1ac/0x270 [ 151.734464][ T8249] i2cdev_read+0x23d/0x350 [ 151.738890][ T8249] ? put_i2c_dev+0x2c0/0x2c0 [ 151.743473][ T8249] vfs_read+0x533/0x15a0 [ 151.747799][ T8249] ? __fget_light+0x249/0x850 [ 151.752503][ T8249] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.758227][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 151.763413][ T8249] ksys_read+0x275/0x500 [ 151.767667][ T8249] __se_sys_read+0x92/0xb0 [ 151.772075][ T8249] __x64_sys_read+0x4a/0x70 [ 151.776573][ T8249] do_syscall_64+0x9f/0x140 [ 151.781101][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.787020][ T8249] RIP: 0033:0x444189 [ 151.790897][ T8249] 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 [ 151.810580][ T8249] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 151.819002][ T8249] RAX: ffffffffffffffda RBX: 00000000000250b4 RCX: 0000000000444189 [ 151.826965][ T8249] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 151.834931][ T8249] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 151.842924][ T8249] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 151.850912][ T8249] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 151.858897][ T8249] [ 151.861208][ T8249] Uninit was created at: [ 151.865440][ T8249] kmsan_internal_poison_shadow+0x5c/0xf0 [ 151.871170][ T8249] kmsan_slab_alloc+0x8e/0xe0 [ 151.875838][ T8249] __kmalloc+0x387/0x550 [ 151.880075][ T8249] i2cdev_read+0x128/0x350 [ 151.884530][ T8249] vfs_read+0x533/0x15a0 [ 151.888847][ T8249] ksys_read+0x275/0x500 [ 151.893081][ T8249] __se_sys_read+0x92/0xb0 [ 151.897501][ T8249] __x64_sys_read+0x4a/0x70 executing program [ 151.902116][ T8249] do_syscall_64+0x9f/0x140 [ 151.906611][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 151.912492][ T8249] [ 151.914809][ T8249] Bytes 0-4095 of 4096 are uninitialized [ 151.920678][ T8249] Memory access of size 4096 starts at ffff888121d19000 [ 151.927591][ T8249] Data copied to user address 0000000020000480 [ 151.933720][ T8249] ===================================================== [ 151.956178][ T8250] ===================================================== [ 151.963267][ T8250] BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x9c/0xb0 [ 151.970761][ T8250] CPU: 1 PID: 8250 Comm: syz-executor242 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 151.980939][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.991276][ T8250] Call Trace: [ 151.994544][ T8250] dump_stack+0x24c/0x2e0 [ 151.998870][ T8250] kmsan_report+0xfb/0x1e0 [ 152.003276][ T8250] kmsan_internal_check_memory+0x48c/0x520 [ 152.009199][ T8250] kmsan_copy_to_user+0x9c/0xb0 [ 152.014053][ T8250] _copy_to_user+0x1ac/0x270 [ 152.018636][ T8250] i2cdev_read+0x23d/0x350 [ 152.023066][ T8250] ? put_i2c_dev+0x2c0/0x2c0 [ 152.027928][ T8250] vfs_read+0x533/0x15a0 [ 152.032422][ T8250] ? __fget_light+0x249/0x850 [ 152.037114][ T8250] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.043015][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 152.048220][ T8250] ksys_read+0x275/0x500 [ 152.052543][ T8250] __se_sys_read+0x92/0xb0 [ 152.056951][ T8250] __x64_sys_read+0x4a/0x70 [ 152.061619][ T8250] do_syscall_64+0x9f/0x140 [ 152.066201][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.072168][ T8250] RIP: 0033:0x444189 [ 152.076050][ T8250] 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 [ 152.095732][ T8250] RSP: 002b:00007ffdc02fae58 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 152.104174][ T8250] RAX: ffffffffffffffda RBX: 00000000000251cf RCX: 0000000000444189 [ 152.112233][ T8250] RDX: 0000000000001000 RSI: 0000000020000480 RDI: 0000000000000003 [ 152.120190][ T8250] RBP: 0000000000000000 R08: 00232d6332692f76 R09: 00007ffdc02faff8 [ 152.128249][ T8250] R10: 000000000000001f R11: 0000000000000246 R12: 00007ffdc02fae6c [ 152.137423][ T8250] R13: 431bde82d7b634db R14: 00000000004b2018 R15: 00000000004004a0 [ 152.145404][ T8250] [ 152.147714][ T8250] Uninit was created at: [ 152.151930][ T8250] kmsan_internal_poison_shadow+0x5c/0xf0 [ 152.157645][ T8250] kmsan_slab_alloc+0x8e/0xe0 [ 152.162309][ T8250] __kmalloc+0x387/0x550 [ 152.166563][ T8250] i2cdev_read+0x128/0x350 [ 152.170983][ T8250] vfs_read+0x533/0x15a0 [ 152.175213][ T8250] ksys_read+0x275/0x500 [ 152.179453][ T8250] __se_sys_read+0x92/0xb0 [ 152.183867][ T8250] __x64_sys_read+0x4a/0x70 [ 152.188362][ T8250] do_syscall_64+0x9f/0x140 [ 152.192882][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 152.198781][ T8250] [ 152.201093][ T8250] Bytes 0-4095 of 4096 are uninitialized executing program