[ 71.831548][ T31] audit: type=1400 audit(71.770:58): avc: denied { read write } for pid=3092 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 [ 71.833592][ T31] audit: type=1400 audit(71.770:59): avc: denied { open } for pid=3092 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]:53858' (ED25519) to the list of known hosts. [ 104.950198][ T31] audit: type=1400 audit(104.880:60): avc: denied { execute } for pid=3104 comm="sh" name="syz-executor1923301978" dev="vda" ino=807 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 105.006739][ T31] audit: type=1400 audit(104.910:61): avc: denied { execute_no_trans } for pid=3104 comm="sh" path="/syz-executor1923301978" dev="vda" ino=807 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1 [ 105.499558][ T31] audit: type=1400 audit(105.440:62): avc: denied { execmem } for pid=3104 comm="syz-executor192" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 105.562232][ T31] audit: type=1400 audit(105.500:63): avc: denied { allowed } for pid=3105 comm="syz-executor192" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=io_uring permissive=1 executing program [ 105.612459][ T31] audit: type=1400 audit(105.550:64): avc: denied { create } for pid=3105 comm="syz-executor192" anonclass=[io_uring] scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 105.623804][ T31] audit: type=1400 audit(105.560:65): avc: denied { map } for pid=3105 comm="syz-executor192" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=1543 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 105.637052][ T31] audit: type=1400 audit(105.570:66): avc: denied { read write } for pid=3105 comm="syz-executor192" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=1543 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 105.646526][ T31] audit: type=1400 audit(105.590:67): avc: denied { create } for pid=3105 comm="syz-executor192" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=rds_socket permissive=1 [ 105.649743][ T3105] 8<--- cut here --- [ 105.652026][ T31] audit: type=1400 audit(105.590:68): avc: denied { read } for pid=2908 comm="syslogd" name="log" dev="vda" ino=795 scontext=system_u:system_r:syslogd_t tcontext=system_u ** replaying previous printk message ** [ 105.652026][ T31] audit: type=1400 audit(105.590:68): avc: denied { read } for pid=2908 comm="syslogd" name="log" dev="vda" ino=795 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 105.652492][ T3105] Unable to handle kernel NULL pointer dereference at virtual address 0000000e when read [ 105.652793][ T3105] [0000000e] *pgd=84797003, *pmd=df777003 [ 105.653446][ T3105] Internal error: Oops: 205 [#1] SMP ARM [ 105.655529][ T3105] Modules linked in: [ 105.656184][ T3105] CPU: 1 UID: 0 PID: 3105 Comm: syz-executor192 Not tainted 6.15.0-rc5-syzkaller #0 PREEMPT [ 105.656770][ T3105] Hardware name: ARM-Versatile Express [ 105.657075][ T3105] PC is at io_buffer_select+0x50/0x18c [ 105.658549][ T3105] LR is at xa_load+0x68/0xa4 [ 105.658735][ T3105] pc : [<80889a10>] lr : [<81a4be54>] psr: 20000013 [ 105.659245][ T3105] sp : df985e18 ip : df985dd8 fp : df985e34 [ 105.659454][ T3105] r10: 837a6c80 r9 : 00000000 r8 : 80000001 [ 105.659647][ T3105] r7 : df985e50 r6 : 00000000 r5 : 841f2900 r4 : 84799000 [ 105.659873][ T3105] r3 : 00000001 r2 : 00000000 r1 : 846eb500 r0 : 00000000 [ 105.660162][ T3105] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 105.660432][ T3105] Control: 30c5387d Table: 84731880 DAC: 00000000 [ 105.660745][ T3105] Register r0 information: NULL pointer [ 105.661220][ T3105] Register r1 information: slab kmalloc-64 start 846eb500 pointer offset 0 size 64 [ 105.661965][ T3105] Register r2 information: NULL pointer [ 105.662193][ T3105] Register r3 information: non-paged memory [ 105.662467][ T3105] Register r4 information: slab io_kiocb start 84799000 pointer offset 0 size 192 [ 105.662829][ T3105] Register r5 information: slab kmalloc-2k start 841f2800 pointer offset 256 size 2048 [ 105.663191][ T3105] Register r6 information: NULL pointer [ 105.663386][ T3105] Register r7 information: 2-page vmalloc region starting at 0xdf984000 allocated at kernel_clone+0xac/0x3e4 [ 105.663887][ T3105] Register r8 information: non-slab/vmalloc memory [ 105.664147][ T3105] Register r9 information: NULL pointer [ 105.664552][ T3105] Register r10 information: slab sock_inode_cache start 837a6c80 pointer offset 0 size 576 [ 105.665254][ T3105] Register r11 information: 2-page vmalloc region starting at 0xdf984000 allocated at kernel_clone+0xac/0x3e4 [ 105.665626][ T3105] Register r12 information: 2-page vmalloc region starting at 0xdf984000 allocated at kernel_clone+0xac/0x3e4 [ 105.665998][ T3105] Process syz-executor192 (pid: 3105, stack limit = 0xdf984000) [ 105.666444][ T3105] Stack: (0xdf985e18 to 0xdf986000) [ 105.666708][ T3105] 5e00: 84799000 8466a500 [ 105.666983][ T3105] 5e20: 00000000 00000040 df985e84 df985e38 80892d3c 808899cc 8057abbc 8030cb0c [ 105.667239][ T3105] 5e40: 84799000 00000001 01799000 00000000 00000000 c8c55b45 80886a40 84799000 [ 105.667491][ T3105] 5e60: 81cf0bd4 00000000 80000001 81cf0b5c 0000000a 8402bc00 df985ebc df985e88 [ 105.667776][ T3105] 5e80: 80886df4 80892b18 00000000 00000000 00000000 841f2800 8479906c 84799000 [ 105.668033][ T3105] 5ea0: 848c0000 00000000 00000000 8402bc00 df985f14 df985ec0 808877a8 80886b7c [ 105.668301][ T3105] 5ec0: 8088e164 81a4bdf8 8479adb8 84731888 00000001 00000001 81cf0b5c 00000001 [ 105.668573][ T3105] 5ee0: 841f2800 c8c55b45 84786240 00000000 841f2800 000027e2 84786240 00000000 [ 105.668820][ T3105] 5f00: 8402bc00 00000000 df985fa4 df985f18 80888250 808875a8 df985f74 841f2840 [ 105.669056][ T3105] 5f20: 00000000 00000000 df985fac df985f38 8022b8b8 8046ec28 df985f64 df985f48 [ 105.669305][ T3105] 5f40: 8057a6bc 84460c00 00000000 8281d1f0 00000a0f 76f4a000 df985fb0 80234108 [ 105.669550][ T3105] 5f60: 00000000 000f4240 df985fac df985f78 8023478c c8c55b45 000000c0 00000000 [ 105.669822][ T3105] 5f80: 00000000 0008e068 000001aa 8020029c 8402bc00 000001aa 00000000 df985fa8 [ 105.670084][ T3105] 5fa0: 80200060 80888124 00000000 00000000 00000003 000027e2 00000000 00000000 [ 105.670346][ T3105] 5fc0: 00000000 00000000 0008e068 000001aa 00000001 00000000 000f4240 00000000 [ 105.670587][ T3105] 5fe0: 7ef9ac70 7ef9ac60 0001088c 0002f900 40000010 00000003 00000000 00000000 [ 105.670914][ T3105] Call trace: [ 105.671179][ T3105] [<808899c0>] (io_buffer_select) from [<80892d3c>] (io_recvmsg+0x230/0x420) [ 105.671649][ T3105] r7:00000040 r6:00000000 r5:8466a500 r4:84799000 [ 105.671899][ T3105] [<80892b0c>] (io_recvmsg) from [<80886df4>] (io_issue_sqe+0x284/0x658) [ 105.672192][ T3105] r10:8402bc00 r9:0000000a r8:81cf0b5c r7:80000001 r6:00000000 r5:81cf0bd4 [ 105.672482][ T3105] r4:84799000 [ 105.672633][ T3105] [<80886b70>] (io_issue_sqe) from [<808877a8>] (io_submit_sqes+0x20c/0x938) [ 105.672923][ T3105] r10:8402bc00 r9:00000000 r8:00000000 r7:848c0000 r6:84799000 r5:8479906c [ 105.673166][ T3105] r4:841f2800 [ 105.673285][ T3105] [<8088759c>] (io_submit_sqes) from [<80888250>] (sys_io_uring_enter+0x138/0x780) [ 105.673596][ T3105] r10:00000000 r9:8402bc00 r8:00000000 r7:84786240 r6:000027e2 r5:841f2800 [ 105.673841][ T3105] r4:00000000 [ 105.673962][ T3105] [<80888118>] (sys_io_uring_enter) from [<80200060>] (ret_fast_syscall+0x0/0x1c) [ 105.674287][ T3105] Exception stack(0xdf985fa8 to 0xdf985ff0) [ 105.674698][ T3105] 5fa0: 00000000 00000000 00000003 000027e2 00000000 00000000 [ 105.675070][ T3105] 5fc0: 00000000 00000000 0008e068 000001aa 00000001 00000000 000f4240 00000000 [ 105.675453][ T3105] 5fe0: 7ef9ac70 7ef9ac60 0001088c 0002f900 [ 105.675699][ T3105] r10:000001aa r9:8402bc00 r8:8020029c r7:000001aa r6:0008e068 r5:00000000 [ 105.675934][ T3105] r4:00000000 [ 105.676216][ T3105] Code: e3130001 0a00002f e5910000 e1d120be (e1d030be) [ 105.677227][ T3105] ---[ end trace 0000000000000000 ]--- [ 105.680953][ T31] audit: type=1400 audit(105.590:69): avc: denied { search } for pid=2908 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 105.681708][ T3105] Kernel panic - not syncing: Fatal exception [ 105.684819][ T3105] Rebooting in 86400 seconds.. VM DIAGNOSIS: 14:55:25 Registers: info registers vcpu 0 CPU#0 R00=52b552f3 R01=807b7dd8 R02=00000008 R03=00000002 R04=ec505d94 R05=ec505c7c R06=846f9f08 R07=807b7dd8 R08=00000000 R09=846f9f00 R10=847863c0 R11=ec505c64 R12=ec505c68 R13=ec505c40 R14=807b82cc R15=807b62f8 PSR=60070013 -ZC- A S svc32 s00=302e3031 s01=322e322e d00=322e322e302e3031 s02=00000000 s03=00000000 d01=0000000000000000 s04=ffee00ef s05=ffee00ef d02=ffee00efffee00ef s06=00000000 s07=00000000 d03=0000000000000000 s08=c0200c02 s09=c0300c03 d04=c0300c03c0200c02 s10=08040201 s11=80402010 d05=8040201008040201 s12=08040201 s13=80402010 d06=8040201008040201 s14=08040201 s15=80402010 d07=8040201008040201 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=e71bb9a5 s33=f53f6be3 d16=f53f6be3e71bb9a5 s34=be69e914 s35=3b9f8383 d17=3b9f8383be69e914 s36=ab7077a7 s37=9e3cbd3a d18=9e3cbd3aab7077a7 s38=c19c516f s39=2a7076ed d19=2a7076edc19c516f s40=649e69ab s41=124f9166 d20=124f9166649e69ab s42=858c1fa0 s43=bb6afef5 d21=bb6afef5858c1fa0 s44=767afb38 s45=7d841c03 d22=7d841c03767afb38 s46=73db88d4 s47=e45e28e1 d23=e45e28e173db88d4 s48=00000001 s49=00000000 d24=0000000000000001 s50=00000000 s51=00000000 d25=0000000000000000 s52=8836eaaf s53=7e24616f d26=7e24616f8836eaaf s54=f3916296 s55=9990265c d27=9990265cf3916296 s56=85e8aa77 s57=bbdba90e d28=bbdba90e85e8aa77 s58=b090fd6f s59=8c79404b d29=8c79404bb090fd6f s60=103296d6 s61=b6c8c474 d30=b6c8c474103296d6 s62=00000053 s63=00000068 d31=0000006800000053 FPSCR: 00000000 info registers vcpu 1 CPU#1 R00=3fffe33c R01=bfffe33c R02=3fffe33c R03=800f0093 R04=df985b6c R05=00000037 R06=dddd83d5 R07=00000000 R08=00000000 R09=00000000 R10=8282a2b0 R11=df985b14 R12=00000000 R13=df985b00 R14=0000000c R15=802f0f0c PSR=600f0093 -ZC- A S svc32 s00=72656820 s01=2d2d2065 d00=2d2d206572656820 s02=00000000 s03=00000000 d01=0000000000000000 s04=ef0cee00 s05=ef0cee00 d02=ef0cee00ef0cee00 s06=08040200 s07=80402000 d03=8040200008040200 s08=00000c00 s09=c0200c03 d04=c0200c0300000c00 s10=08040201 s11=80402000 d05=8040200008040201 s12=08040201 s13=80402010 d06=8040201008040201 s14=08040201 s15=80402010 d07=8040201008040201 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