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xiaoy1
May 15th, 2025
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  1. Warning: Permanently added '[localhost]:62498' (ED25519) to the list of known hosts.
  2. executing program
  3. syzkaller login: [ 38.193159] audit: type=1400 audit(1743723565.129:8): avc: denied { execmem } for pid=267 comm="syz-executor194" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
  4. executing program
  5. executing program
  6. executing program
  7. executing program
  8. executing program
  9. executing program
  10. executing program
  11. executing program
  12. executing program
  13. executing program
  14. executing program
  15. executing program
  16. [ 40.453539] ------------[ cut here ]------------
  17. [ 40.454887] WARNING: CPU: 1 PID: 293 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x135/0x1c0
  18. [ 40.457087] Modules linked in:
  19. [ 40.457922] CPU: 1 UID: 0 PID: 293 Comm: syz-executor194 Not tainted 6.14.0 #1
  20. [ 40.459837] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
  21. [ 40.464029] RIP: 0010:ipmr_rules_exit+0x135/0x1c0
  22. [ 40.466036] Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 60 05 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 71 67 7f 00 e8 4c 2d 8a fd 90 <0f> 0b 90 eb 93 e8 41 2d 8a fd 0f b6 2d 80 54 ea 01 31 ff 89 ee e8
  23. [ 40.471987] RSP: 0018:ffff88810cb37c58 EFLAGS: 00010293
  24. [ 40.473446] RAX: 0000000000000000 RBX: ffff88810934adc0 RCX: ffffffff83e09868
  25. [ 40.475354] RDX: ffff8881092d8000 RSI: ffffffff83e098d4 RDI: 0000000000000005
  26. [ 40.477248] RBP: ffff888100e0c000 R08: 0000000000000000 R09: ffffed10212695c9
  27. [ 40.479159] R10: 0000000000000001 R11: ffff888103f024f0 R12: 0000000000000001
  28. [ 40.481080] R13: ffff88810934b320 R14: ffff88810934adc0 R15: fffffbfff0b74058
  29. [ 40.482985] FS: 00007f990963c6c0(0000) GS:ffff88811b080000(0000) knlGS:0000000000000000
  30. [ 40.485141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  31. [ 40.486712] CR2: 00007f99096bb250 CR3: 0000000104bf4000 CR4: 0000000000350ef0
  32. [ 40.488590] Call Trace:
  33. [ 40.489328] <TASK>
  34. [ 40.489919] ? __warn+0xea/0x2d0
  35. [ 40.490890] ? ipmr_rules_exit+0x135/0x1c0
  36. [ 40.492101] ? report_bug+0x2f5/0x3f0
  37. [ 40.493205] ? ipmr_rules_exit+0x135/0x1c0
  38. [ 40.494401] ? ipmr_rules_exit+0x136/0x1c0
  39. [ 40.495589] ? handle_bug+0xe5/0x180
  40. [ 40.496659] ? exc_invalid_op+0x35/0x80
  41. [ 40.497522] ? asm_exc_invalid_op+0x1a/0x20
  42. [ 40.498455] ? ipmr_rules_exit+0xc8/0x1c0
  43. [ 40.499359] ? ipmr_rules_exit+0x134/0x1c0
  44. [ 40.500281] ? ipmr_rules_exit+0x135/0x1c0
  45. [ 40.501194] ? ipmr_rules_exit+0x134/0x1c0
  46. [ 40.502122] ipmr_net_exit_batch+0x50/0x90
  47. [ 40.502994] ? __pfx_ipmr_net_exit_batch+0x10/0x10
  48. [ 40.504066] ? __pfx_ipmr_net_exit+0x10/0x10
  49. [ 40.504974] ops_exit_list+0x10c/0x160
  50. [ 40.505823] setup_net+0x47d/0x8e0
  51. [ 40.506629] ? __pfx_setup_net+0x10/0x10
  52. [ 40.507515] ? __kasan_slab_alloc+0x30/0x70
  53. [ 40.508444] ? __pfx_down_read_killable+0x10/0x10
  54. [ 40.509496] copy_net_ns+0x25d/0x410
  55. [ 40.510325] create_new_namespaces+0x3f6/0xaf0
  56. [ 40.511328] unshare_nsproxy_namespaces+0xc3/0x180
  57. [ 40.512397] ksys_unshare+0x437/0x9a0
  58. [ 40.513248] ? __pfx_ksys_unshare+0x10/0x10
  59. [ 40.514195] ? restore_fpregs_from_fpstate+0x52/0x110
  60. [ 40.515313] __x64_sys_unshare+0x31/0x40
  61. [ 40.516190] do_syscall_64+0xa6/0x1a0
  62. [ 40.516989] entry_SYSCALL_64_after_hwframe+0x77/0x7f
  63. [ 40.517763] RIP: 0033:0x7f99096625fd
  64. [ 40.518226] Code: b3 66 2e 0f 1f 84 00 00 00 00 00 66 90 f3 0f 1e fa 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 b8 ff ff ff f7 d8 64 89 01 48
  65. [ 40.520372] RSP: 002b:00007f990963c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
  66. [ 40.521292] RAX: ffffffffffffffda RBX: 0000000000000026 RCX: 00007f99096625fd
  67. [ 40.522150] RDX: 00007f99096625fd RSI: 00007f99096625fd RDI: 0000000040000000
  68. [ 40.522978] RBP: 00007f9909715a48 R08: 0000000000000000 R09: 0000000000000000
  69. [ 40.523849] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9909715a40
  70. [ 40.524709] R13: 00007f9909715a4c R14: 0000000000000000 R15: 00007ffd8b7f6380
  71. [ 40.525578] </TASK>
  72. [ 40.525856] ---[ end trace 0000000000000000 ]---
  73. executing program
  74. executing program
  75. executing program
  76. executing program
  77. executing program
  78. executing program
  79. executing program
  80. executing program
  81. executing program
  82. executing program
  83. executing program
  84. executing program
  85. executing program
  86. executing program
  87. executing program
  88. executing program
  89. executing program
  90. executing program
  91. executing program
  92. executing program
  93. executing program
  94. executing program
  95. executing program
  96. executing program
  97. executing program
  98. executing program
  99. executing program
  100. executing program
  101. executing program
  102. executing program
  103. executing program
  104. executing program
  105. executing program
  106. executing program
  107. executing program
  108. executing program
  109. executing program
  110. executing program
  111. executing program
  112. executing program
  113. executing program
  114. executing program
  115. executing program
  116. executing program
  117. executing program
  118. executing program
  119. executing program
  120. executing program
  121. executing program
  122. executing program
  123. executing program
  124. executing program
  125. executing program
  126. executing program
  127. executing program
  128.  
  129. VM DIAGNOSIS:
  130. 07:39:27 Registers:
  131. info registers vcpu 0
  132.  
  133. CPU#0
  134. RAX=ffff88811b000000 RBX=0000000000000000 RCX=ffffffff845e1fa4 RDX=ffffed1023606a83
  135. RSI=0000000000000004 RDI=000000000001d51c RBP=dffffc0000000000 RSP=ffffffff85407e18
  136. R8 =0000000000000001 R9 =ffffed1023606a82 R10=ffff88811b035413 R11=00000000fa83b2da
  137. R12=ffffffff85cd8bd0 R13=1ffffffff0a80fc8 R14=0000000000000000 R15=0000000000000000
  138. RIP=ffffffff845e2d7e RFL=00000216 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=1
  139. ES =0000 0000000000000000 00000000 00000000
  140. CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  141. SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
  142. DS =0000 0000000000000000 00000000 00000000
  143. FS =0000 0000000000000000 00000000 00000000
  144. GS =0000 ffff88811b000000 00000000 00000000
  145. LDT=0000 fffffe0000000000 00000000 00000000
  146. TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
  147. GDT= fffffe0000001000 0000007f
  148. IDT= fffffe0000000000 00000fff
  149. CR0=80050033 CR2=00007fdb75dd30a0 CR3=0000000109142000 CR4=00350ef0
  150. DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
  151. DR6=00000000ffff0ff0 DR7=0000000000000400
  152. EFER=0000000000000d01
  153. FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
  154. FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
  155. FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
  156. FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
  157. FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
  158. YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  159. YMM01=0000000000000000 0000000000000000 172e08174f6bdf96 6449e1cdacdf7345
  160. YMM02=0000000000000000 0000000000000000 a1fcdcf819d7e1e5 00000000000b0448
  161. YMM03=0000000000000000 0000000000000000 ac8bc31478ec8511 00000000000e0ca0
  162. YMM04=0000000000000000 0000000000000000 1c47e24873e07c4f 00000000000e11d0
  163. YMM05=0000000000000000 0000000000000000 8ca0b852b1c7c8e1 00000000000b04a0
  164. YMM06=0000000000000000 0000000000000000 5837fe9dc1c91f32 00000000000b03f0
  165. YMM07=0000000000000000 0000000000000000 9fb244076675e4d0 00000000000af038
  166. YMM08=0000000000000000 0000000000000000 44495f474f4c5359 530069253d595449
  167. YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  168. YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  169. YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  170. YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  171. YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  172. YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  173. YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  174. info registers vcpu 1
  175.  
  176. CPU#1
  177. RAX=000000000000006c RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
  178. RSI=ffffffff826be205 RDI=ffffffff86f94b08 RBP=ffffffff86f94b00 RSP=ffff88810cb37530
  179. R8 =0000000000000000 R9 =ffffed102042d81e R10=000000000000006c R11=000000003a504952
  180. R12=000000000000006c R13=dffffc0000000000 R14=0000000000000010 R15=ffffffff86f94b00
  181. RIP=ffffffff826be25d RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
  182. ES =0000 0000000000000000 00000000 00000000
  183. CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  184. SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
  185. DS =0000 0000000000000000 00000000 00000000
  186. FS =0000 00007f990963c6c0 00000000 00000000
  187. GS =0000 ffff88811b080000 00000000 00000000
  188. LDT=0000 fffffe0000000000 00000000 00000000
  189. TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
  190. GDT= fffffe0000048000 0000007f
  191. IDT= fffffe0000000000 00000fff
  192. CR0=80050033 CR2=00007f99096bb250 CR3=0000000104bf4000 CR4=00350ef0
  193. DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
  194. DR6=00000000ffff0ff0 DR7=0000000000000400
  195. EFER=0000000000000d01
  196. FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
  197. FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
  198. FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
  199. FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
  200. FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
  201. YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  202. YMM01=0000000000000000 0000000000000000 6576652d7372656b 726f772d6c6c696b
  203. YMM02=0000000000000000 0000000000000000 ffffff0f0e0d0c0b 0a09080706050403
  204. YMM03=0000000000000000 0000000000000000 696e656420737365 636341002f737973
  205. YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  206. YMM05=0000000000000000 0000000000000000 000055b1af50c2b0 000055b1af506020
  207. YMM06=0000000000000000 0000000000000000 000055b1af54f7d0 00000000ffffffff
  208. YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  209. YMM08=0000000000000000 0000000000000000 0000000000000030 0000000000000600
  210. YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  211. YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  212. YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  213. YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  214. YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  215. YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  216. YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  217. info registers vcpu 2
  218.  
  219. CPU#2
  220. RAX=ffff88811b100000 RBX=0000000000000002 RCX=ffffffff845e1fa4 RDX=ffffed1023626a83
  221. RSI=0000000000000004 RDI=000000000001b4e4 RBP=dffffc0000000000 RSP=ffff888100387e68
  222. R8 =0000000000000001 R9 =ffffed1023626a82 R10=ffff88811b135413 R11=1ffff110236272e1
  223. R12=ffffffff85cd8bd0 R13=1ffff11020070fd2 R14=0000000000000000 R15=0000000000000000
  224. RIP=ffffffff845e2d7e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
  225. ES =0000 0000000000000000 00000000 00000000
  226. CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  227. SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
  228. DS =0000 0000000000000000 00000000 00000000
  229. FS =0000 0000000000000000 00000000 00000000
  230. GS =0000 ffff88811b100000 00000000 00000000
  231. LDT=0000 fffffe0000000000 00000000 00000000
  232. TR =0040 fffffe0000091000 00004087 00008b00 DPL=0 TSS64-busy
  233. GDT= fffffe000008f000 0000007f
  234. IDT= fffffe0000000000 00000fff
  235. CR0=80050033 CR2=00007fdb75db0b30 CR3=000000010d1ba000 CR4=00350ef0
  236. DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
  237. DR6=00000000ffff0ff0 DR7=0000000000000400
  238. EFER=0000000000000d01
  239. FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
  240. FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
  241. FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
  242. FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
  243. FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
  244. YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  245. YMM01=0000000000000000 0000000000000000 0000000000ffff00 00000000000000ff
  246. YMM02=0000000000000000 0000000000000000 0000000000ffff00 00000000000000ff
  247. YMM03=0000000000000000 0000000000000000 3520313420643520 3134206335203134
  248. YMM04=0000000000000000 0000000000000000 3020616520343520 3038206432203662
  249. YMM05=0000000000000000 0000000000000000 3865203339206265 203039206230203e
  250. YMM06=0000000000000000 0000000000000000 6334203865203030 2066372037362031
  251. YMM07=0000000000000000 0000000000000000 2063352031342064 3520623520303020
  252. YMM08=0000000000000000 0000000000000000 7974696c69000031 3d65766973736900
  253. YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  254. YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  255. YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  256. YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  257. YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  258. YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  259. YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  260. info registers vcpu 3
  261.  
  262. CPU#3
  263. RAX=ffff88811b180000 RBX=0000000000000003 RCX=ffffffff845e1fa4 RDX=ffffed1023636a83
  264. RSI=0000000000000004 RDI=0000000000012e8c RBP=dffffc0000000000 RSP=ffff88810038fe68
  265. R8 =0000000000000001 R9 =ffffed1023636a82 R10=ffff88811b1b5413 R11=0000000000000000
  266. R12=ffffffff85cd8bd0 R13=1ffff11020071fd2 R14=0000000000000000 R15=0000000000000000
  267. RIP=ffffffff845e2d7e RFL=00000212 [----A--] CPL=0 II=0 A20=1 SMM=0 HLT=1
  268. ES =0000 0000000000000000 00000000 00000000
  269. CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
  270. SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
  271. DS =0000 0000000000000000 00000000 00000000
  272. FS =0000 0000000000000000 00000000 00000000
  273. GS =0000 ffff88811b180000 00000000 00000000
  274. LDT=0000 fffffe0000000000 00000000 00000000
  275. TR =0040 fffffe00000d8000 00004087 00008b00 DPL=0 TSS64-busy
  276. GDT= fffffe00000d6000 0000007f
  277. IDT= fffffe0000000000 00000fff
  278. CR0=80050033 CR2=000055557db83ce8 CR3=000000010d1ba000 CR4=00350ef0
  279. DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
  280. DR6=00000000ffff0ff0 DR7=0000000000000400
  281. EFER=0000000000000d01
  282. FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
  283. FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
  284. FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
  285. FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
  286. FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
  287. YMM00=0000000000000000 0000000000000000 2037323a39333a33 3220332020727041
  288. YMM01=0000000000000000 0000000000000000 5d3633303636342e 30342020205b203a
  289. YMM02=0000000000000000 0000000000000000 3020633320303820 3330206165203163
  290. YMM03=0000000000000000 0000000000000000 2030302030302035 3020303620333820
  291. YMM04=0000000000000000 0000000000000000 3130206165203435 2030382064322036
  292. YMM05=0000000000000000 0000000000000000 2038652033392062 6520303920623020
  293. YMM06=0000000000000000 0000000000000000 2063342038652030 3020663720373620
  294. YMM07=0000000000000000 0000000000000000 3420633520313420 6435206235203030
  295. YMM08=0000000000000000 0000000000000000 6f7475636578652d 7a7973223d6d6d6f
  296. YMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  297. YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  298. YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  299. YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  300. YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  301. YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  302. YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000
  303.  
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