syzkaller login: [ 38.993468] ------------[ cut here ]------------ [ 38.994399] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.996440] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.999243] Modules linked in: [ 38.999895] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.001879] Tainted: [W]=WARN [ 39.002435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.003921] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.004834] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.008054] RSP: 0018:ffff888016e7fbc0 EFLAGS: 00010286 [ 39.009055] RAX: 0000000000000000 RBX: ffffed1002dcff78 RCX: ffffffff813a4050 [ 39.010367] RDX: ffff888015bf5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.011689] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcff2f [ 39.012995] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.014309] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e7fdf8 [ 39.015612] FS: 00007f29d63a3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.017071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.018165] CR2: 00007f29d6895580 CR3: 000000000cdfc000 CR4: 0000000000350ef0 [ 39.019471] Call Trace: [ 39.019979] [ 39.020399] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.021308] ? __create_object+0x59/0x80 [ 39.022116] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.023100] __vmalloc_noprof+0x59/0x60 [ 39.023867] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.024756] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.025711] bpf_prog_alloc+0x39/0x200 [ 39.026415] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.027357] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.028270] do_seccomp+0x349/0x25e0 [ 39.029004] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.029931] ? __pfx_do_seccomp+0x10/0x10 [ 39.030737] ? find_held_lock+0x2b/0x80 [ 39.031462] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.032436] ? static_key_count+0x60/0x80 [ 39.033237] prctl_set_seccomp+0x4e/0x70 [ 39.034045] __do_sys_prctl+0xe6c/0x1d70 [ 39.034848] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.035708] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.036644] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.037640] ? irqentry_exit+0xf3/0x650 [ 39.038433] do_syscall_64+0xbf/0x430 [ 39.039187] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.040150] RIP: 0033:0x7f29d68955cd [ 39.040863] 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 [ 39.044093] RSP: 002b:00007ffc6575c340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.045480] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f29d68955cd [ 39.046798] RDX: 000055e6bf25ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.048109] RBP: 00007ffc6575c3a0 R08: 0000000000000000 R09: 00007ffc6575ba40 [ 39.049409] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6daa442b0 [ 39.050740] R13: 00007ffc6575c7d0 R14: 000055e6daa46d20 R15: 000055e6daa588d0 [ 39.052067] [ 39.052499] irq event stamp: 2049 [ 39.053154] hardirqs last enabled at (2059): [] __up_console_sem+0x78/0x80 [ 39.054715] hardirqs last disabled at (2068): [] __up_console_sem+0x5d/0x80 [ 39.056263] softirqs last enabled at (2028): [] handle_softirqs+0x50c/0x770 [ 39.057845] softirqs last disabled at (2019): [] __irq_exit_rcu+0xc4/0x100 [ 39.059203] ---[ end trace 0000000000000000 ]--- [ 41.934348] ------------[ cut here ]------------ [ 41.935345] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.937875] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 41.939353] Modules linked in: [ 41.940041] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.942398] Tainted: [W]=WARN [ 41.943139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.944876] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.945849] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.949503] RSP: 0018:ffff8880195e7bc0 EFLAGS: 00010286 [ 41.950697] RAX: 0000000000000000 RBX: ffffed10032bcf78 RCX: ffffffff813a4050 [ 41.952003] RDX: ffff88800efa0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.953378] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032bcf2f [ 41.955322] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.957043] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880195e7df8 [ 41.958576] FS: 00007f251e44e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.960390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.961504] CR2: 00007ffc9239aef7 CR3: 000000001f610000 CR4: 0000000000350ef0 [ 41.962882] Call Trace: [ 41.963346] [ 41.963807] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.964763] ? __create_object+0x59/0x80 [ 41.965508] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.966504] __vmalloc_noprof+0x59/0x60 [ 41.967258] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.968118] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.969081] bpf_prog_alloc+0x39/0x200 [ 41.969830] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.970751] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.971611] do_seccomp+0x349/0x25e0 [ 41.972307] ? find_held_lock+0x2b/0x80 [ 41.973107] ? do_prlimit+0x310/0x610 [ 41.973869] ? __pfx_do_seccomp+0x10/0x10 [ 41.974609] ? do_raw_spin_unlock+0x53/0x220 [ 41.975423] ? _raw_spin_unlock+0x1e/0x40 [ 41.976242] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.977248] ? static_key_count+0x60/0x80 [ 41.978091] prctl_set_seccomp+0x4e/0x70 [ 41.978918] __do_sys_prctl+0xe6c/0x1d70 [ 41.979728] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.980569] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.981584] ? irqentry_exit+0xf3/0x650 [ 41.982388] do_syscall_64+0xbf/0x430 [ 41.983149] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.984112] RIP: 0033:0x7f251e9405cd [ 41.984859] 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 [ 41.988271] RSP: 002b:00007ffc923988a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.989882] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f251e9405cd [ 41.990718] RDX: 000055f14e2e0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.991695] RBP: 00007ffc92398900 R08: 0000000000000000 R09: 00007ffc92397fa0 [ 41.992460] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f178178ad0 [ 41.993058] R13: 00007ffc92398d30 R14: 000055f178179bc0 R15: 000055f17818a780 [ 41.993650] [ 41.993874] irq event stamp: 1831 [ 41.994152] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 41.994848] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 41.995517] softirqs last enabled at (1828): [] handle_softirqs+0x50c/0x770 [ 41.996339] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 41.997032] ---[ end trace 0000000000000000 ]--- [ 42.687467] ------------[ cut here ]------------ [ 42.688357] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.690398] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.691829] Modules linked in: [ 42.692410] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.694587] Tainted: [W]=WARN [ 42.695179] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.696620] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.697531] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.700692] RSP: 0018:ffff888016a7fbc0 EFLAGS: 00010286 [ 42.701628] RAX: 0000000000000000 RBX: ffffed1002d4ff78 RCX: ffffffff813a4050 [ 42.702892] RDX: ffff888016d9b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.704156] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4ff2f [ 42.705418] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.706706] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a7fdf8 [ 42.707972] FS: 00007f00cb1f5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.709390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.710452] CR2: 00007f00cb6e7580 CR3: 000000001fd05000 CR4: 0000000000350ef0 [ 42.711724] Call Trace: [ 42.712179] [ 42.712584] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.713473] ? __create_object+0x59/0x80 [ 42.714253] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.715216] __vmalloc_noprof+0x59/0x60 [ 42.715969] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.716832] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.717760] bpf_prog_alloc+0x39/0x200 [ 42.718443] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.719353] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.720244] do_seccomp+0x349/0x25e0 [ 42.720948] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.721848] ? __pfx_do_seccomp+0x10/0x10 [ 42.722582] ? find_held_lock+0x2b/0x80 [ 42.723334] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.724288] ? static_key_count+0x60/0x80 [ 42.725082] prctl_set_seccomp+0x4e/0x70 [ 42.725876] __do_sys_prctl+0xe6c/0x1d70 [ 42.726611] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.727453] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.728402] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.729368] ? irqentry_exit+0xf3/0x650 [ 42.730149] do_syscall_64+0xbf/0x430 [ 42.730894] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.731853] RIP: 0033:0x7f00cb6e75cd [ 42.732504] 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 [ 42.735637] RSP: 002b:00007ffeeeaa3470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.737006] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f00cb6e75cd [ 42.738293] RDX: 0000558833e2ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.739555] RBP: 00007ffeeeaa34d0 R08: 0000000000000000 R09: 00007ffeeeaa2b70 [ 42.740811] R10: 0000000000000000 R11: 0000000000000246 R12: 00005588357a2240 [ 42.742090] R13: 00007ffeeeaa3900 R14: 00005588357a1bf0 R15: 00005588357b64d0 [ 42.743373] [ 42.743823] irq event stamp: 1779 [ 42.744431] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 42.745964] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 42.747275] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 42.748544] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 42.749810] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:53030' (ECDSA) to the list of known hosts. 2025/11/17 19:59:41 fuzzer started 2025/11/17 19:59:41 dialing manager at localhost:37895 2025/11/17 19:59:41 checking machine... 2025/11/17 19:59:41 checking revisions... [ 43.594182] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:59:41 testing simple program... [ 43.694271] cgroup: Unknown subsys name 'net' [ 43.761866] cgroup: Unknown subsys name 'cpuset' [ 43.781428] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:59:40 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff11002d14fa6 RCX=ffffffff81c2c720 RDX=ffff88800efa5340 RSI=ffffffff81c2c65e RDI=ffff8880094c2ee8 RBP=ffff8880094c2e00 RSP=ffff8880168a7d08 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880168a7d70 R13=0000000000000001 R14=000000000000c000 R15=ffff88801c8b9200 RIP=ffffffff81c2c65e RFL=00000293 [--S-A-C] 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 00007f251e44e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc92392000 CR3=000000001f685000 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=6720646572637465733a4d41503d706f 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=00000000000272cd RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc336dfaa8 CR3=000000000b9e4000 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=2030343a39353a393120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030343a39353a3931203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000