[ 28.840335][ T30] audit: type=1400 audit(28.780:68): avc: denied { read write } for pid=2989 comm="sftp-server" name="null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 28.841206][ T30] audit: type=1400 audit(28.800:69): avc: denied { open } for pid=2989 comm="sftp-server" path="/dev/null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 Warning: Permanently added '[localhost]:60815' (ED25519) to the list of known hosts. [ 52.180445][ T30] audit: type=1400 audit(52.140:70): avc: denied { execute } for pid=3001 comm="sh" name="syz-executor504084646" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 52.201460][ T30] audit: type=1400 audit(52.160:71): avc: denied { execute_no_trans } for pid=3001 comm="sh" path="/syz-executor504084646" dev="vda" ino=682 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 52.673928][ T30] audit: type=1400 audit(52.630:72): avc: denied { execmem } for pid=3001 comm="syz-executor504" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 executing program [ 52.763874][ T30] audit: type=1400 audit(52.720:73): avc: denied { prog_load } for pid=3002 comm="syz-executor504" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 52.764373][ T30] audit: type=1400 audit(52.720:74): avc: denied { bpf } for pid=3002 comm="syz-executor504" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 52.765933][ T30] audit: type=1400 audit(52.720:75): avc: denied { perfmon } for pid=3002 comm="syz-executor504" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 52.793876][ T30] audit: type=1400 audit(52.750:76): avc: denied { prog_run } for pid=3002 comm="syz-executor504" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 52.805582][ T30] audit: type=1400 audit(52.760:77): avc: denied { map_create } for pid=3002 comm="syz-executor504" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 52.808693][ T30] audit: type=1400 audit(52.770:78): avc: denied { map_read map_write } for pid=3002 comm="syz-executor504" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 52.819001][ T3002] 8<--- cut here --- [ 52.819377][ T3002] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read [ 52.820514][ T3002] [00000000] *pgd=83798003, *pmd=fe6bd003 [ 52.822212][ T3002] Internal error: Oops: 207 [#1] PREEMPT SMP ARM [ 52.822926][ T3002] Modules linked in: [ 52.823598][ T3002] CPU: 1 PID: 3002 Comm: syz-executor504 Not tainted 6.9.0-rc3-syzkaller #0 [ 52.824294][ T3002] Hardware name: ARM-Versatile Express [ 52.824655][ T3002] PC is at __kmap_local_page_prot+0xc/0x74 [ 52.827523][ T3002] LR is at copy_page_to_iter+0xf8/0x184 [ 52.827813][ T3002] pc : [<80479f08>] lr : [<807e99cc>] psr: 60000013 [ 52.829087][ T3002] sp : df96dca0 ip : df96dcb0 fp : df96dcac [ 52.829416][ T3002] r10: 00000018 r9 : 8285a4e8 r8 : 00000000 [ 52.830653][ T3002] r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 8440a800 [ 52.832148][ T3002] r3 : 00c00000 r2 : 0000071f r1 : 00000000 r0 : 00000000 [ 52.833799][ T3002] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 52.834146][ T3002] Control: 30c5387d Table: 84781040 DAC: 00000000 [ 52.834394][ T3002] Register r0 information: NULL pointer [ 52.836141][ T3002] Register r1 information: NULL pointer [ 52.836505][ T3002] Register r2 information: non-paged memory [ 52.837782][ T3002] Register r3 information: non-paged memory [ 52.838013][ T3002] Register r4 information: slab kmalloc-1k start 8440a800 pointer offset 0 size 1024 [ 52.840888][ T3002] Register r5 information: NULL pointer [ 52.841258][ T3002] Register r6 information: NULL pointer [ 52.842136][ T3002] Register r7 information: NULL pointer [ 52.842829][ T3002] Register r8 information: NULL pointer [ 52.843197][ T3002] Register r9 information: non-slab/vmalloc memory [ 52.843718][ T3002] Register r10 information: non-paged memory [ 52.844275][ T3002] Register r11 information: 2-page vmalloc region starting at 0xdf96c000 allocated at kernel_clone+0xac/0x3cc [ 52.845688][ T3002] Register r12 information: 2-page vmalloc region starting at 0xdf96c000 allocated at kernel_clone+0xac/0x3cc [ 52.846566][ T3002] Process syz-executor504 (pid: 3002, stack limit = 0xdf96c000) [ 52.847833][ T3002] Stack: (0xdf96dca0 to 0xdf96e000) [ 52.848731][ T3002] dca0: df96dce4 df96dcb0 807e99cc 80479f08 df96dcd4 df96df48 8024c880 8440a800 [ 52.849616][ T3002] dcc0: 8440a800 00000000 00000000 00000000 000000d4 00000018 df96dd34 df96dce8 [ 52.850736][ T3002] dce0: 8143329c 807e98e0 00000000 582a563e 83fbb400 83fbb4d0 835fc900 83fbb4d8 [ 52.851364][ T3002] dd00: df96df48 00000000 df96dd8c 835fc900 000000d4 83fbb400 841c5400 00000000 [ 52.852362][ T3002] dd20: 00000000 00000000 df96dda4 df96dd38 81655f50 814331b8 00000000 00000000 [ 52.853045][ T3002] dd40: 00000000 00000000 00000000 00000000 835fc988 83fbb4ec 835fcb34 df96df38 [ 52.853483][ T3002] dd60: 00000000 582a563e df96dd94 821a9848 00000000 582a563e df96df38 81655e00 [ 52.853754][ T3002] dd80: df96df38 83349680 00000000 00000000 00000000 df96ddf4 df96ddc4 df96dda8 [ 52.854146][ T3002] dda0: 81654fcc 81655e0c 00000000 00000000 00000000 81654f94 df96dde4 df96ddc8 [ 52.854576][ T3002] ddc0: 813a287c 81654fa0 df96df38 83349680 200001c0 00000000 df96dea4 df96dde8 [ 52.855129][ T3002] dde0: 813a2a7c 813a2838 00000000 00000000 00000001 00000000 00000000 00000000 [ 52.856519][ T3002] de00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 52.857285][ T3002] de20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 52.858225][ T3002] de40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 52.860243][ T3002] de60: 00000000 00000000 00000000 00000000 00000000 582a563e 00000000 00000000 [ 52.862334][ T3002] de80: df96df38 200001c0 00000000 83349680 841c5400 00000129 df96df24 df96dea8 [ 52.863736][ T3002] dea0: 813a59c0 813a29f8 00000000 00000000 00000000 00000000 00000000 20000280 [ 52.863949][ T3002] dec0: 000000d4 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 52.864411][ T3002] dee0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 582a563e [ 52.865781][ T3002] df00: df96df24 83349680 00000000 200001c0 00000000 80200288 df96dfa4 df96df28 [ 52.866325][ T3002] df20: 813a613c 813a5944 00000000 00000000 00000000 fffffff7 df96ddf4 00000000 [ 52.867660][ T3002] df40: 00000000 00000000 00000000 00000000 20000280 000000d4 00000001 00000000 [ 52.867987][ T3002] df60: 00000000 00000001 00000000 00000000 00000000 00000000 00000000 00000000 [ 52.868570][ T3002] df80: df96dfa4 582a563e ffffffff 00000000 0008e070 00000129 00000000 df96dfa8 [ 52.869781][ T3002] dfa0: 80200060 813a60d4 ffffffff 00000000 00000003 200001c0 00000000 00000000 [ 52.870352][ T3002] dfc0: ffffffff 00000000 0008e070 00000129 20000080 00000000 0008a270 00000000 [ 52.871437][ T3002] dfe0: 7ee5cc70 7ee5cc60 00010a8c 0002eb90 00000010 00000003 00000000 00000000 [ 52.872204][ T3002] Call trace: [ 52.873392][ T3002] [<80479efc>] (__kmap_local_page_prot) from [<807e99cc>] (copy_page_to_iter+0xf8/0x184) [ 52.873942][ T3002] [<807e98d4>] (copy_page_to_iter) from [<8143329c>] (sk_msg_recvmsg+0xf0/0x3cc) [ 52.874336][ T3002] r10:00000018 r9:000000d4 r8:00000000 r7:00000000 r6:00000000 r5:8440a800 [ 52.875672][ T3002] r4:8440a800 [ 52.875892][ T3002] [<814331ac>] (sk_msg_recvmsg) from [<81655f50>] (unix_bpf_recvmsg+0x150/0x444) [ 52.876588][ T3002] r10:00000000 r9:00000000 r8:00000000 r7:841c5400 r6:83fbb400 r5:000000d4 [ 52.877634][ T3002] r4:835fc900 [ 52.877818][ T3002] [<81655e00>] (unix_bpf_recvmsg) from [<81654fcc>] (unix_dgram_recvmsg+0x38/0x4c) [ 52.879056][ T3002] r10:df96ddf4 r9:00000000 r8:00000000 r7:00000000 r6:83349680 r5:df96df38 [ 52.879503][ T3002] r4:81655e00 [ 52.880107][ T3002] [<81654f94>] (unix_dgram_recvmsg) from [<813a287c>] (sock_recvmsg+0x50/0x78) [ 52.881144][ T3002] r4:81654f94 [ 52.881684][ T3002] [<813a282c>] (sock_recvmsg) from [<813a2a7c>] (____sys_recvmsg+0x90/0x158) [ 52.883641][ T3002] r7:00000000 r6:200001c0 r5:83349680 r4:df96df38 [ 52.884617][ T3002] [<813a29ec>] (____sys_recvmsg) from [<813a59c0>] (___sys_recvmsg+0x88/0xbc) [ 52.886424][ T3002] r10:00000129 r9:841c5400 r8:83349680 r7:00000000 r6:200001c0 r5:df96df38 [ 52.888199][ T3002] r4:00000000 [ 52.888580][ T3002] [<813a5938>] (___sys_recvmsg) from [<813a613c>] (sys_recvmsg+0x74/0xb8) [ 52.890658][ T3002] r8:80200288 r7:00000000 r6:200001c0 r5:00000000 r4:83349680 [ 52.892222][ T3002] [<813a60c8>] (sys_recvmsg) from [<80200060>] (ret_fast_syscall+0x0/0x1c) [ 52.893538][ T3002] Exception stack(0xdf96dfa8 to 0xdf96dff0) [ 52.893875][ T3002] dfa0: ffffffff 00000000 00000003 200001c0 00000000 00000000 [ 52.894364][ T3002] dfc0: ffffffff 00000000 0008e070 00000129 20000080 00000000 0008a270 00000000 [ 52.896021][ T3002] dfe0: 7ee5cc70 7ee5cc60 00010a8c 0002eb90 [ 52.897009][ T3002] r7:00000129 r6:0008e070 r5:00000000 r4:ffffffff [ 52.898875][ T3002] Code: eaffffe8 e1a0c00d e92dd800 e24cb004 (e5901000) [ 52.905895][ T3002] ---[ end trace 0000000000000000 ]--- [ 52.907424][ T3002] Kernel panic - not syncing: Fatal exception [ 52.910428][ T3002] Rebooting in 86400 seconds.. VM DIAGNOSIS: 08:47:20 Registers: info registers vcpu 0 CPU#0 R00=00000000 R01=00000000 R02=7ee5cc04 R03=7ee5cbfc R04=00000000 R05=7ee5cbfc R06=00000000 R07=00000109 R08=00000000 R09=00000000 R10=7ee5cc84 R11=00003a97 R12=00000000 R13=df965ff8 R14=00063bb4 R15=00063bb4 PSR=60000193 -ZC- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000 info registers vcpu 1 CPU#1 R00=00000000 R01=00000000 R02=00000000 R03=841c5400 R04=df96dc50 R05=81fbbdc0 R06=00000207 R07=60000113 R08=8285a41c R09=8261ca08 R10=841c5400 R11=df96dbb4 R12=df96da88 R13=df96db80 R14=8020c738 R15=80208dac PSR=60000193 -ZC- A S svc32 s00=00000000 s01=00000000 d00=0000000000000000 s02=00000000 s03=00000000 d01=0000000000000000 s04=00000000 s05=00000000 d02=0000000000000000 s06=00000000 s07=00000000 d03=0000000000000000 s08=00000000 s09=00000000 d04=0000000000000000 s10=00000000 s11=00000000 d05=0000000000000000 s12=00000000 s13=00000000 d06=0000000000000000 s14=00000000 s15=00000000 d07=0000000000000000 s16=00000000 s17=00000000 d08=0000000000000000 s18=00000000 s19=00000000 d09=0000000000000000 s20=00000000 s21=00000000 d10=0000000000000000 s22=00000000 s23=00000000 d11=0000000000000000 s24=00000000 s25=00000000 d12=0000000000000000 s26=00000000 s27=00000000 d13=0000000000000000 s28=00000000 s29=00000000 d14=0000000000000000 s30=00000000 s31=00000000 d15=0000000000000000 s32=00000000 s33=00000000 d16=0000000000000000 s34=00000000 s35=00000000 d17=0000000000000000 s36=00000000 s37=00000000 d18=0000000000000000 s38=00000000 s39=00000000 d19=0000000000000000 s40=00000000 s41=00000000 d20=0000000000000000 s42=00000000 s43=00000000 d21=0000000000000000 s44=00000000 s45=00000000 d22=0000000000000000 s46=00000000 s47=00000000 d23=0000000000000000 s48=00000000 s49=00000000 d24=0000000000000000 s50=00000000 s51=00000000 d25=0000000000000000 s52=00000000 s53=00000000 d26=0000000000000000 s54=00000000 s55=00000000 d27=0000000000000000 s56=00000000 s57=00000000 d28=0000000000000000 s58=00000000 s59=00000000 d29=0000000000000000 s60=00000000 s61=00000000 d30=0000000000000000 s62=00000000 s63=00000000 d31=0000000000000000 FPSCR: 00000000