Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.972204] ------------[ cut here ]------------ [ 38.973183] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.975193] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.976682] Modules linked in: [ 38.977320] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.979321] Tainted: [W]=WARN [ 38.979886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.981369] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.982296] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 38.985490] RSP: 0018:ffff888017fcfbc0 EFLAGS: 00010286 [ 38.986484] RAX: 0000000000000000 RBX: ffffed1002ff9f78 RCX: ffffffff813a4050 [ 38.987762] RDX: ffff888013f88000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.989053] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ff9f2f [ 38.990337] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.991627] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017fcfdf8 [ 38.992920] FS: 00007f5ddff53900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.994420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.995470] CR2: 00007f5de0445580 CR3: 000000000e75e000 CR4: 0000000000350ef0 [ 38.996754] Call Trace: [ 38.997268] [ 38.997674] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.998569] ? __create_object+0x59/0x80 [ 38.999337] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.000304] __vmalloc_noprof+0x59/0x60 [ 39.001053] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.001875] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.002800] bpf_prog_alloc+0x39/0x200 [ 39.003531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.004459] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.005357] do_seccomp+0x349/0x25e0 [ 39.006083] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.006981] ? __pfx_do_seccomp+0x10/0x10 [ 39.007726] ? find_held_lock+0x2b/0x80 [ 39.008484] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.009447] ? static_key_count+0x60/0x80 [ 39.010246] prctl_set_seccomp+0x4e/0x70 [ 39.011016] __do_sys_prctl+0xe6c/0x1d70 [ 39.011751] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.012624] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.013598] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.014582] ? irqentry_exit+0xf3/0x650 [ 39.015365] do_syscall_64+0xbf/0x430 [ 39.016088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.017050] RIP: 0033:0x7f5de04455cd [ 39.017715] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.020912] RSP: 002b:00007ffc26521630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.022350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5de04455cd [ 39.023620] RDX: 000055f0fa90de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.024910] RBP: 00007ffc26521690 R08: 0000000000000000 R09: 00007ffc26520d30 [ 39.026268] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f13836dad0 [ 39.027555] R13: 00007ffc26521ac0 R14: 000055f13836ebc0 R15: 000055f13837f780 [ 39.028857] [ 39.029320] irq event stamp: 1785 [ 39.029972] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 39.031522] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 39.033046] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 39.034585] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 39.036081] ---[ end trace 0000000000000000 ]--- [ 41.847717] ------------[ cut here ]------------ [ 41.848650] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.850644] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 41.852078] Modules linked in: [ 41.852659] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.854691] Tainted: [W]=WARN [ 41.855300] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.856746] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.857708] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.860872] RSP: 0018:ffff888016aefbc0 EFLAGS: 00010286 [ 41.861875] RAX: 0000000000000000 RBX: ffffed1002d5df78 RCX: ffffffff813a4050 [ 41.863170] RDX: ffff88800f2c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.864450] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5df2f [ 41.865756] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.867052] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016aefdf8 [ 41.868324] FS: 00007f00b0053900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.869795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.870883] CR2: 00007f00b0545580 CR3: 000000001f6cf000 CR4: 0000000000350ef0 [ 41.872154] Call Trace: [ 41.872617] [ 41.873120] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.874020] ? __create_object+0x59/0x80 [ 41.874768] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.875718] __vmalloc_noprof+0x59/0x60 [ 41.876478] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.877550] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.878774] bpf_prog_alloc+0x39/0x200 [ 41.879743] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.880959] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.882150] do_seccomp+0x349/0x25e0 [ 41.883006] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.883885] ? __pfx_do_seccomp+0x10/0x10 [ 41.884698] ? find_held_lock+0x2b/0x80 [ 41.885469] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.886467] ? static_key_count+0x60/0x80 [ 41.887308] prctl_set_seccomp+0x4e/0x70 [ 41.888122] __do_sys_prctl+0xe6c/0x1d70 [ 41.888881] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.889758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.890771] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.891773] ? irqentry_exit+0xf3/0x650 [ 41.892570] do_syscall_64+0xbf/0x430 [ 41.893333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.894327] RIP: 0033:0x7f00b05455cd [ 41.895084] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 41.898292] RSP: 002b:00007ffd545827b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.899676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00b05455cd [ 41.901012] RDX: 000055da069bce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.902335] RBP: 00007ffd54582810 R08: 0000000000000000 R09: 00007ffd54581eb0 [ 41.903639] R10: 0000000000000000 R11: 0000000000000246 R12: 000055da36730ad0 [ 41.904983] R13: 00007ffd54582c40 R14: 000055da36731bc0 R15: 000055da36742780 [ 41.906438] [ 41.906860] irq event stamp: 1681 [ 41.907421] hardirqs last enabled at (1691): [] __up_console_sem+0x78/0x80 [ 41.908713] hardirqs last disabled at (1700): [] __up_console_sem+0x5d/0x80 [ 41.910017] softirqs last enabled at (1342): [] handle_softirqs+0x50c/0x770 [ 41.911331] softirqs last disabled at (1337): [] __irq_exit_rcu+0xc4/0x100 [ 41.912624] ---[ end trace 0000000000000000 ]--- [ 42.520803] ------------[ cut here ]------------ [ 42.521729] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.523723] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 42.525177] Modules linked in: [ 42.525765] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.527741] Tainted: [W]=WARN [ 42.528358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.529832] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.530751] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.533889] RSP: 0018:ffff888016167bc0 EFLAGS: 00010286 [ 42.534868] RAX: 0000000000000000 RBX: ffffed1002c2cf78 RCX: ffffffff813a4050 [ 42.536157] RDX: ffff88800f489bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.537442] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c2cf2f [ 42.538735] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.540061] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016167df8 [ 42.541392] FS: 00007fc856f2b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.542841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.543914] CR2: 00007ffd1b25def7 CR3: 000000001c7e6000 CR4: 0000000000350ef0 [ 42.545202] Call Trace: [ 42.545663] [ 42.546137] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.547033] ? __create_object+0x59/0x80 [ 42.547763] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.548731] __vmalloc_noprof+0x59/0x60 [ 42.549491] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.550407] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.551341] bpf_prog_alloc+0x39/0x200 [ 42.552075] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.553007] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.553854] do_seccomp+0x349/0x25e0 [ 42.554581] ? find_held_lock+0x2b/0x80 [ 42.555290] ? do_prlimit+0x310/0x610 [ 42.555869] ? __pfx_do_seccomp+0x10/0x10 [ 42.556518] ? do_raw_spin_unlock+0x53/0x220 [ 42.557215] ? _raw_spin_unlock+0x1e/0x40 [ 42.557818] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.558619] ? static_key_count+0x60/0x80 [ 42.559269] prctl_set_seccomp+0x4e/0x70 [ 42.559865] __do_sys_prctl+0xe6c/0x1d70 [ 42.560511] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.561230] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.562034] ? irqentry_exit+0xf3/0x650 [ 42.562635] do_syscall_64+0xbf/0x430 [ 42.563248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.564031] RIP: 0033:0x7fc85741d5cd [ 42.564572] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.567180] RSP: 002b:00007ffd1b25b7b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.568309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc85741d5cd [ 42.569365] RDX: 000055e41d80fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.570439] RBP: 00007ffd1b25b810 R08: 0000000000000000 R09: 00007ffd1b25aeb0 [ 42.571492] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e41ebffbf0 [ 42.572553] R13: 00007ffd1b25bc40 R14: 000055e41ec09380 R15: 000055e41ec14460 [ 42.573633] [ 42.574021] irq event stamp: 2065 [ 42.574532] hardirqs last enabled at (2073): [] __up_console_sem+0x78/0x80 [ 42.575775] hardirqs last disabled at (2082): [] __up_console_sem+0x5d/0x80 [ 42.577018] softirqs last enabled at (2042): [] handle_softirqs+0x50c/0x770 [ 42.578316] softirqs last disabled at (2037): [] __irq_exit_rcu+0xc4/0x100 [ 42.579565] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23092' (ECDSA) to the list of known hosts. 2025/11/18 23:51:17 fuzzer started 2025/11/18 23:51:18 dialing manager at localhost:34383 2025/11/18 23:51:18 checking machine... 2025/11/18 23:51:18 checking revisions... [ 43.311042] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:51:18 testing simple program... [ 43.400847] cgroup: Unknown subsys name 'net' [ 43.470532] cgroup: Unknown subsys name 'cpuset' [ 43.483753] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:51:17 Registers: info registers vcpu 0 RAX=00000000000c0000 RBX=ffff888016a8d340 RCX=0000000000000000 RDX=000000000002000d RSI=0000000000000000 RDI=ffffffff85f10a38 RBP=ffff888016a8dd98 RSP=ffff888017557558 R8 =0000000000080000 R9 =000000000000000d R10=0000000000000001 R11=0000000000000000 R12=ffff888016a8ddc0 R13=0000000000000000 R14=0000000000000001 R15=0000000000040000 RIP=ffffffff815270cc RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f00b0053900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f00b0032020 CR3=000000000c0ec000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020b45 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc7cf6a4d8 CR3=000000000dc1a000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=31353a333220383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3833325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303837 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000