Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts. executing program [ 48.604465][ T26] audit: type=1400 audit(1644092113.498:75): avc: denied { execmem } for pid=3595 comm="syz-executor249" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 48.626021][ T26] audit: type=1400 audit(1644092113.518:76): avc: denied { read write } for pid=3595 comm="syz-executor249" name="udmabuf" dev="devtmpfs" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 48.629712][ T3595] ------------[ cut here ]------------ [ 48.650878][ T26] audit: type=1400 audit(1644092113.518:77): avc: denied { open } for pid=3595 comm="syz-executor249" path="/dev/udmabuf" dev="devtmpfs" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 48.655499][ T3595] WARNING: CPU: 1 PID: 3595 at kernel/dma/mapping.c:188 __dma_map_sg_attrs+0x181/0x1f0 [ 48.678868][ T26] audit: type=1400 audit(1644092113.518:78): avc: denied { ioctl } for pid=3595 comm="syz-executor249" path="/dev/udmabuf" dev="devtmpfs" ino=682 ioctlcmd=0x7542 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 48.688695][ T3595] Modules linked in: [ 48.717939][ T3595] CPU: 0 PID: 3595 Comm: syz-executor249 Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0 [ 48.728610][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.738856][ T3595] RIP: 0010:__dma_map_sg_attrs+0x181/0x1f0 [ 48.744769][ T3595] Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 71 4c 8b 3d c0 83 b5 0d e9 db fe ff ff e8 b6 0f 13 00 0f 0b e8 af 0f 13 00 <0f> 0b 45 31 e4 e9 54 ff ff ff e8 a0 0f 13 00 49 8d 7f 50 48 b8 00 [ 48.764675][ T3595] RSP: 0018:ffffc90002a07d68 EFLAGS: 00010293 [ 48.770742][ T3595] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 48.778797][ T3595] RDX: ffff88807e25e2c0 RSI: ffffffff81649e91 RDI: ffff88801b848408 [ 48.786905][ T3595] RBP: ffff88801b848000 R08: 0000000000000002 R09: ffff88801d86c74f [ 48.794920][ T3595] R10: ffffffff81649d72 R11: 0000000000000001 R12: 0000000000000002 [ 48.802943][ T3595] R13: ffff88801d86c680 R14: 0000000000000001 R15: 0000000000000000 [ 48.810944][ T3595] FS: 0000555556e30300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 48.819963][ T3595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.826604][ T3595] CR2: 00000000200000cc CR3: 000000001d74a000 CR4: 00000000003506e0 [ 48.834715][ T3595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.843043][ T3595] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.851033][ T3595] Call Trace: [ 48.854382][ T3595] [ 48.857338][ T3595] dma_map_sgtable+0x70/0xf0 [ 48.862032][ T3595] get_sg_table.isra.0+0xe0/0x160 [ 48.867075][ T3595] begin_cpu_udmabuf+0x130/0x1d0 [ 48.872122][ T3595] ? map_udmabuf+0xa0/0xa0 [ 48.876562][ T3595] dma_buf_begin_cpu_access+0xfd/0x1d0 [ 48.882103][ T3595] dma_buf_ioctl+0x259/0x2b0 [ 48.886711][ T3595] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 48.892481][ T3595] ? security_file_ioctl+0x5c/0xb0 [ 48.897612][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 48.903953][ T3595] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 48.909685][ T3595] __x64_sys_ioctl+0x193/0x200 [ 48.914513][ T3595] do_syscall_64+0x35/0xb0 [ 48.918965][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 48.924983][ T3595] RIP: 0033:0x7f62fcf530f9 [ 48.929397][ T3595] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.949084][ T3595] RSP: 002b:00007ffe3edab9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.957659][ T3595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62fcf530f9 [ 48.965695][ T3595] RDX: 0000000020000200 RSI: 0000000040086200 RDI: 0000000000000006 [ 48.973717][ T3595] RBP: 00007f62fcf170e0 R08: 0000000000000000 R09: 0000000000000000 [ 48.981754][ T3595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62fcf17170 [ 48.989732][ T3595] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.997782][ T3595] [ 49.000805][ T3595] Kernel panic - not syncing: panic_on_warn set ... [ 49.007410][ T3595] CPU: 1 PID: 3595 Comm: syz-executor249 Not tainted 5.17.0-rc2-syzkaller-00316-g0457e5153e0e #0 [ 49.017914][ T3595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.027963][ T3595] Call Trace: [ 49.031233][ T3595] [ 49.034160][ T3595] dump_stack_lvl+0xcd/0x134 [ 49.038758][ T3595] panic+0x2b0/0x6dd [ 49.042654][ T3595] ? __warn_printk+0xf3/0xf3 [ 49.047245][ T3595] ? __warn.cold+0x1d1/0x2cf [ 49.051923][ T3595] ? __dma_map_sg_attrs+0x181/0x1f0 [ 49.057117][ T3595] __warn.cold+0x1ec/0x2cf [ 49.061533][ T3595] ? __dma_map_sg_attrs+0x181/0x1f0 [ 49.066726][ T3595] report_bug+0x1bd/0x210 [ 49.071072][ T3595] handle_bug+0x3c/0x60 [ 49.075227][ T3595] exc_invalid_op+0x14/0x40 [ 49.079734][ T3595] asm_exc_invalid_op+0x12/0x20 [ 49.084583][ T3595] RIP: 0010:__dma_map_sg_attrs+0x181/0x1f0 [ 49.090391][ T3595] Code: 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 71 4c 8b 3d c0 83 b5 0d e9 db fe ff ff e8 b6 0f 13 00 0f 0b e8 af 0f 13 00 <0f> 0b 45 31 e4 e9 54 ff ff ff e8 a0 0f 13 00 49 8d 7f 50 48 b8 00 [ 49.109995][ T3595] RSP: 0018:ffffc90002a07d68 EFLAGS: 00010293 [ 49.116064][ T3595] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.124117][ T3595] RDX: ffff88807e25e2c0 RSI: ffffffff81649e91 RDI: ffff88801b848408 [ 49.132082][ T3595] RBP: ffff88801b848000 R08: 0000000000000002 R09: ffff88801d86c74f [ 49.140048][ T3595] R10: ffffffff81649d72 R11: 0000000000000001 R12: 0000000000000002 [ 49.148013][ T3595] R13: ffff88801d86c680 R14: 0000000000000001 R15: 0000000000000000 [ 49.155979][ T3595] ? __dma_map_sg_attrs+0x62/0x1f0 [ 49.161092][ T3595] ? __dma_map_sg_attrs+0x181/0x1f0 [ 49.166290][ T3595] ? __dma_map_sg_attrs+0x181/0x1f0 [ 49.171486][ T3595] dma_map_sgtable+0x70/0xf0 [ 49.176079][ T3595] get_sg_table.isra.0+0xe0/0x160 [ 49.181110][ T3595] begin_cpu_udmabuf+0x130/0x1d0 [ 49.186050][ T3595] ? map_udmabuf+0xa0/0xa0 [ 49.190466][ T3595] dma_buf_begin_cpu_access+0xfd/0x1d0 [ 49.196017][ T3595] dma_buf_ioctl+0x259/0x2b0 [ 49.200607][ T3595] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 49.206325][ T3595] ? security_file_ioctl+0x5c/0xb0 [ 49.211479][ T3595] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.217731][ T3595] ? dma_buf_begin_cpu_access+0x1d0/0x1d0 [ 49.223450][ T3595] __x64_sys_ioctl+0x193/0x200 [ 49.228216][ T3595] do_syscall_64+0x35/0xb0 [ 49.232632][ T3595] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.238526][ T3595] RIP: 0033:0x7f62fcf530f9 [ 49.242933][ T3595] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 49.262534][ T3595] RSP: 002b:00007ffe3edab9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.270943][ T3595] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62fcf530f9 [ 49.278907][ T3595] RDX: 0000000020000200 RSI: 0000000040086200 RDI: 0000000000000006 [ 49.286878][ T3595] RBP: 00007f62fcf170e0 R08: 0000000000000000 R09: 0000000000000000 [ 49.294844][ T3595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f62fcf17170 [ 49.302808][ T3595] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.310832][ T3595] [ 49.314243][ T3595] Kernel Offset: disabled [ 49.318633][ T3595] Rebooting in 86400 seconds..