last executing test programs: 842.534949ms ago: executing program 2 (id=3): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$mptcp(0x0, 0xffffffffffffffff) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x38, r1, 0x1, 0x0, 0x0, {}, [@MPTCP_PM_ATTR_ADDR={0x24, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ADDR4={0x8, 0x3, @private=0xa010100}, @MPTCP_PM_ADDR_ATTR_FAMILY={0x6, 0x1, 0x2}, @MPTCP_PM_ADDR_ATTR_FLAGS={0x8, 0x6, 0x1}, @MPTCP_PM_ADDR_ATTR_ID={0x5, 0x2, 0x2}]}]}, 0x38}}, 0x0) 790.94709ms ago: executing program 2 (id=6): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipefs\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='rpc_pipefs\x00', &(0x7f0000000000)='./pipefs\x00', &(0x7f0000000100)='rpc_pipefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./pipefs/gssd/clntXX/gssd\x00', 0x2, 0x0) r0 = fsopen(&(0x7f0000000300)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000a00)='vers\x00', &(0x7f0000000b00)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000c00)='sec\x00', &(0x7f0000000d00)='krb5\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) 723.163582ms ago: executing program 2 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipefs\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='rpc_pipefs\x00', &(0x7f0000000000)='./pipefs\x00', &(0x7f0000000100)='rpc_pipefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./pipefs/gssd/clntXX/gssd\x00', 0x2, 0x0) r0 = fsopen(&(0x7f0000000300)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) 696.096912ms ago: executing program 2 (id=8): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='1', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000180)='1', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e21, @loopback}, 0x10) listen(r2, 0x5) bind$inet(r3, &(0x7f0000000240)={0x2, 0x4e22, @loopback}, 0x10) r4 = accept(r2, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e22, @local}], 0x10) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000340)=[@in={0x2, 0x4e21, @local}], 0x10) 391.54207ms ago: executing program 0 (id=1): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipefs\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='rpc_pipefs\x00', &(0x7f0000000000)='./pipefs\x00', &(0x7f0000000100)='rpc_pipefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./pipefs/gssd/clntXX/gssd\x00', 0x2, 0x0) 390.89903ms ago: executing program 1 (id=2): r0 = fsopen(&(0x7f0000000e00)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000a00)='vers\x00', &(0x7f0000000b00)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000c00)='sec\x00', &(0x7f0000000d00)='krb5\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) 390.4017ms ago: executing program 3 (id=4): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000280)=0x2, 0x4) setsockopt(r0, 0x84, 0x7a, &(0x7f00000002c0)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x7}, 0x8) connect(r0, &(0x7f0000000380)=@in={0x2, 0x4e20, @loopback}, 0x10) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x78, &(0x7f00000003c0), 0x4) 326.569371ms ago: executing program 1 (id=9): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipefs\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='rpc_pipefs\x00', &(0x7f0000000000)='./pipefs\x00', &(0x7f0000000100)='rpc_pipefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./pipefs/gssd/clntXX/gssd\x00', 0x2, 0x0) r0 = fsopen(&(0x7f0000000300)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000a00)='vers\x00', &(0x7f0000000b00)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000c00)='sec\x00', &(0x7f0000000d00)='krb5\x00', 0x0) 325.149071ms ago: executing program 3 (id=10): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./pipefs\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='rpc_pipefs\x00', &(0x7f0000000000)='./pipefs\x00', &(0x7f0000000100)='rpc_pipefs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./pipefs/gssd/clntXX/gssd\x00', 0x2, 0x0) r0 = fsopen(&(0x7f0000000300)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000a00)='vers\x00', &(0x7f0000000b00)='4.0\x00', 0x0) 291.668602ms ago: executing program 0 (id=11): socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$mptcp(&(0x7f0000000000), 0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000240)='proc\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000280)='./proc/sys/net/mptcp/add_addr_timeout\x00', 0x1, 0x0) 254.307083ms ago: executing program 1 (id=12): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ed) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./nfsd\x00', &(0x7f0000000400)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./proc\x00', 0x1ed) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./proc\x00', &(0x7f0000000400)='proc\x00', 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="1c000000100001000100000000000000030100000b00020073756e7270630000", 0x1c}], 0x1}, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0) write(r1, &(0x7f0000000900)='nfsd 127.0.0.1 2000000000 test\n', 0x1f) openat(0xffffffffffffff9c, &(0x7f0000000b00)='./proc/net/rpc/auth.unix.ip/content\x00', 0x0, 0x0) 253.273643ms ago: executing program 3 (id=13): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000280)=0x2, 0x4) setsockopt(r0, 0x84, 0x7a, &(0x7f00000002c0)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x7}, 0x8) connect(r0, &(0x7f0000000380)=@in={0x2, 0x4e20, @loopback}, 0x10) 224.999814ms ago: executing program 0 (id=14): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='1', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000180)='1', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e21, @loopback}, 0x10) listen(r2, 0x5) connect$inet(r3, &(0x7f0000000280)={0x2, 0x4e21, @loopback}, 0x10) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e22, @local}], 0x10) 192.730955ms ago: executing program 3 (id=15): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ed) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./nfsd\x00', &(0x7f0000000400)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./proc\x00', 0x1ed) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./proc\x00', &(0x7f0000000400)='proc\x00', 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="1c000000100001000100000000000000030100000b00020073756e7270630000", 0x1c}], 0x1}, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0) write(r1, &(0x7f0000000900)='nfsd 127.0.0.1 2000000000 test\n', 0x1f) read(r1, &(0x7f0000000a00)=""/4096, 0x1000) read(0xffffffffffffffff, &(0x7f0000000c00)=""/4096, 0x1000) 177.987885ms ago: executing program 4 (id=5): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ed) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='100\x00', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/times\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='1000\x00', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/fail_page_alloc/probability\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./debug/fail_page_alloc/times\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1000\x00', 0x4) socket$packet(0x11, 0x3, 0x300) r4 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r4, &(0x7f0000000300)="11223344", 0x4, 0x0, &(0x7f0000000400)={0x2, 0x1234, @loopback}, 0x10) 172.478776ms ago: executing program 1 (id=16): r0 = fsopen(&(0x7f0000000300)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000a00)='vers\x00', &(0x7f0000000b00)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000c00)='sec\x00', &(0x7f0000000d00)='krb5\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) 0s ago: executing program 3 (id=17): r0 = fsopen(&(0x7f0000000300)='nfs4\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000400)='source\x00', &(0x7f0000000500)='127.0.0.1:/\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000600)='addr\x00', &(0x7f0000000700)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r0, 0x1, &(0x7f0000000800)='clientaddr\x00', &(0x7f0000000900)='127.0.0.1\x00', 0x0) kernel console output (not intermixed with test programs): .985127][ T4315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 34.988781][ T4315] Call trace: [ 34.989295][ T4315] dump_backtrace+0x1c4/0x1f0 [ 34.990051][ T4315] show_stack+0x2c/0x3c [ 34.990723][ T4315] __dump_stack+0x30/0x40 [ 34.991458][ T4315] dump_stack_lvl+0xf4/0x15c [ 34.992136][ T4315] dump_stack+0x1c/0x5c [ 34.992759][ T4315] should_fail_ex+0x3cc/0x524 [ 34.993531][ T4315] should_fail_alloc_page+0x74/0xb8 [ 34.994338][ T4315] prepare_alloc_pages+0x1b8/0x4f0 [ 34.995212][ T4315] __alloc_pages+0x134/0x544 [ 34.996010][ T4315] alloc_pages+0x434/0x6fc [ 34.996775][ T4315] __get_free_pages+0x18/0x84 [ 34.997597][ T4315] __pollwait+0x1d0/0x370 [ 34.998403][ T4315] pipe_poll+0xd8/0x3e4 [ 34.999117][ T4315] do_select+0xc44/0x1294 [ 34.999901][ T4315] core_sys_select+0x588/0x718 [ 35.000710][ T4315] __arm64_sys_pselect6+0x4b0/0x590 [ 35.001605][ T4315] invoke_syscall+0x98/0x290 [ 35.002434][ T4315] el0_svc_common+0x13c/0x258 [ 35.003279][ T4315] do_el0_svc+0x5c/0x134 [ 35.003998][ T4315] el0_svc+0x58/0x128 [ 35.004682][ T4315] el0t_64_sync_handler+0x84/0xf0 [ 35.005526][ T4315] el0t_64_sync+0x18c/0x190 [ 35.006272][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.006640][ C0] FAULT_INJECTION: forcing a failure. [ 35.006640][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 164 [ 35.007423][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.011028][ C1] Call trace: [ 35.011503][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.012247][ C1] show_stack+0x2c/0x3c [ 35.012945][ C1] __dump_stack+0x30/0x40 [ 35.013635][ C1] dump_stack_lvl+0xf4/0x15c [ 35.014398][ C1] dump_stack+0x1c/0x5c [ 35.015091][ C1] should_fail_ex+0x3cc/0x524 [ 35.015892][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.016736][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.017531][ C1] __alloc_pages+0x134/0x544 [ 35.018285][ C1] alloc_pages+0x434/0x6fc [ 35.018994][ C1] alloc_slab_page+0x78/0x144 [ 35.019741][ C1] new_slab+0x1f4/0x2d8 [ 35.020426][ C1] ___slab_alloc+0x890/0xe90 [ 35.021196][ C1] __slab_alloc+0x74/0xd0 [ 35.021912][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.022775][ C1] __alloc_skb+0x128/0x728 [ 35.023511][ C1] ndisc_alloc_skb+0x9c/0x40c [ 35.024280][ C1] ndisc_send_rs+0x1e4/0x524 [ 35.025066][ C1] addrconf_rs_timer+0x234/0x54c [ 35.025929][ C1] call_timer_fn+0x1b8/0x96c [ 35.026702][ C1] __run_timers+0x478/0x6d8 [ 35.027416][ C1] run_timer_softirq+0x7c/0x114 [ 35.028238][ C1] handle_softirqs+0x318/0xc90 [ 35.029009][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.029750][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.030589][ C1] kthread+0x254/0x2e0 [ 35.031283][ C1] ret_from_fork+0x10/0x20 [ 35.032029][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.032362][ C1] FAULT_INJECTION: forcing a failure. [ 35.032362][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 162 [ 35.033217][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.037137][ C0] Call trace: [ 35.037726][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.038514][ C0] show_stack+0x2c/0x3c [ 35.039228][ C0] __dump_stack+0x30/0x40 [ 35.039965][ C0] dump_stack_lvl+0xf4/0x15c [ 35.040775][ C0] dump_stack+0x1c/0x5c [ 35.041464][ C0] should_fail_ex+0x3cc/0x524 [ 35.042282][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.043177][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.044061][ C0] __alloc_pages+0x134/0x544 [ 35.044865][ C0] alloc_pages+0x434/0x6fc [ 35.045634][ C0] alloc_slab_page+0x78/0x144 [ 35.046465][ C0] new_slab+0x1f4/0x2d8 [ 35.047207][ C0] ___slab_alloc+0x890/0xe90 [ 35.048015][ C0] __slab_alloc+0x74/0xd0 [ 35.048745][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.049642][ C0] __alloc_skb+0x128/0x728 [ 35.050387][ C0] wg_packet_send_keepalive+0x6c/0x248 [ 35.051325][ C0] wg_expired_send_persistent_keepalive+0x60/0x84 [ 35.052343][ C0] call_timer_fn+0x1b8/0x96c [ 35.053186][ C0] __run_timers+0x478/0x6d8 [ 35.053932][ C0] run_timer_softirq+0x7c/0x114 [ 35.054752][ C0] handle_softirqs+0x318/0xc90 [ 35.055567][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.056342][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.057130][ C0] kthread+0x254/0x2e0 [ 35.057827][ C0] ret_from_fork+0x10/0x20 [ 35.058564][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.059341][ C0] FAULT_INJECTION: forcing a failure. [ 35.059341][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 158 [ 35.059678][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.063313][ C1] Call trace: [ 35.063804][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.064613][ C1] show_stack+0x2c/0x3c [ 35.065340][ C1] __dump_stack+0x30/0x40 [ 35.066131][ C1] dump_stack_lvl+0xf4/0x15c [ 35.066898][ C1] dump_stack+0x1c/0x5c [ 35.067557][ C1] should_fail_ex+0x3cc/0x524 [ 35.068300][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.069179][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.070011][ C1] __alloc_pages+0x134/0x544 [ 35.070775][ C1] alloc_pages+0x434/0x6fc [ 35.071520][ C1] alloc_slab_page+0x78/0x144 [ 35.072326][ C1] new_slab+0x1f4/0x2d8 [ 35.073012][ C1] ___slab_alloc+0x890/0xe90 [ 35.073761][ C1] __slab_alloc+0x74/0xd0 [ 35.074541][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.075462][ C1] __alloc_skb+0x128/0x728 [ 35.076222][ C1] lapb_send_control+0x48/0x324 [ 35.077073][ C1] lapb_t1timer_expiry+0x458/0x808 [ 35.077937][ C1] call_timer_fn+0x1b8/0x96c [ 35.078715][ C1] __run_timers+0x478/0x6d8 [ 35.079492][ C1] run_timer_softirq+0x7c/0x114 [ 35.080299][ C1] handle_softirqs+0x318/0xc90 [ 35.081100][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.081864][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.082719][ C1] kthread+0x254/0x2e0 [ 35.083410][ C1] ret_from_fork+0x10/0x20 [ 35.084164][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.084296][ C1] FAULT_INJECTION: forcing a failure. [ 35.084296][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 156 [ 35.085351][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.089132][ C0] Call trace: [ 35.089602][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.090308][ C0] show_stack+0x2c/0x3c [ 35.090959][ C0] __dump_stack+0x30/0x40 [ 35.091626][ C0] dump_stack_lvl+0xf4/0x15c [ 35.092392][ C0] dump_stack+0x1c/0x5c [ 35.093003][ C0] should_fail_ex+0x3cc/0x524 [ 35.093720][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.094564][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.095453][ C0] __alloc_pages+0x134/0x544 [ 35.096264][ C0] alloc_pages+0x434/0x6fc [ 35.097040][ C0] alloc_slab_page+0x78/0x144 [ 35.097850][ C0] new_slab+0x1f4/0x2d8 [ 35.098611][ C0] ___slab_alloc+0x890/0xe90 [ 35.099390][ C0] __slab_alloc+0x74/0xd0 [ 35.100149][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.101064][ C0] __alloc_skb+0x128/0x728 [ 35.101798][ C0] wg_packet_send_keepalive+0x6c/0x248 [ 35.102722][ C0] wg_expired_send_persistent_keepalive+0x60/0x84 [ 35.103794][ C0] call_timer_fn+0x1b8/0x96c [ 35.104570][ C0] __run_timers+0x478/0x6d8 [ 35.105333][ C0] run_timer_softirq+0x7c/0x114 [ 35.106148][ C0] handle_softirqs+0x318/0xc90 [ 35.106954][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.107720][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.108555][ C0] kthread+0x254/0x2e0 [ 35.109205][ C0] ret_from_fork+0x10/0x20 [ 35.109941][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.109996][ C0] FAULT_INJECTION: forcing a failure. [ 35.109996][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 154 [ 35.111121][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.114879][ C1] Call trace: [ 35.115504][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.116404][ C1] show_stack+0x2c/0x3c [ 35.117181][ C1] __dump_stack+0x30/0x40 [ 35.118017][ C1] dump_stack_lvl+0xf4/0x15c [ 35.118920][ C1] dump_stack+0x1c/0x5c [ 35.119729][ C1] should_fail_ex+0x3cc/0x524 [ 35.120571][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.121508][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.122450][ C1] __alloc_pages+0x134/0x544 [ 35.123297][ C1] alloc_pages+0x434/0x6fc [ 35.124044][ C1] alloc_slab_page+0x78/0x144 [ 35.124820][ C1] new_slab+0x1f4/0x2d8 [ 35.125554][ C1] ___slab_alloc+0x890/0xe90 [ 35.126345][ C1] __slab_alloc+0x74/0xd0 [ 35.127074][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.127948][ C1] __alloc_skb+0x128/0x728 [ 35.128715][ C1] wg_packet_send_keepalive+0x6c/0x248 [ 35.129658][ C1] wg_expired_send_persistent_keepalive+0x60/0x84 [ 35.130735][ C1] call_timer_fn+0x1b8/0x96c [ 35.131531][ C1] __run_timers+0x478/0x6d8 [ 35.132282][ C1] run_timer_softirq+0x7c/0x114 [ 35.133091][ C1] handle_softirqs+0x318/0xc90 [ 35.133883][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.134641][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.135436][ C1] kthread+0x254/0x2e0 [ 35.136118][ C1] ret_from_fork+0x10/0x20 [ 35.136861][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.136915][ C1] FAULT_INJECTION: forcing a failure. [ 35.136915][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 152 [ 35.138053][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.141900][ C0] Call trace: [ 35.142380][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.143065][ C0] show_stack+0x2c/0x3c [ 35.143719][ C0] __dump_stack+0x30/0x40 [ 35.144450][ C0] dump_stack_lvl+0xf4/0x15c [ 35.145235][ C0] dump_stack+0x1c/0x5c [ 35.145938][ C0] should_fail_ex+0x3cc/0x524 [ 35.146760][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.147655][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.148484][ C0] __alloc_pages+0x134/0x544 [ 35.149259][ C0] alloc_pages+0x434/0x6fc [ 35.150020][ C0] alloc_slab_page+0x78/0x144 [ 35.150821][ C0] new_slab+0x1f4/0x2d8 [ 35.151517][ C0] ___slab_alloc+0x890/0xe90 [ 35.152313][ C0] __slab_alloc+0x74/0xd0 [ 35.153051][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.153937][ C0] __alloc_skb+0x128/0x728 [ 35.154666][ C0] wg_packet_send_keepalive+0x6c/0x248 [ 35.155570][ C0] wg_expired_send_persistent_keepalive+0x60/0x84 [ 35.156653][ C0] call_timer_fn+0x1b8/0x96c [ 35.157470][ C0] __run_timers+0x478/0x6d8 [ 35.158216][ C0] run_timer_softirq+0x7c/0x114 [ 35.159047][ C0] handle_softirqs+0x318/0xc90 [ 35.159856][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.160677][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.161504][ C0] kthread+0x254/0x2e0 [ 35.162202][ C0] ret_from_fork+0x10/0x20 [ 35.162937][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.163121][ C0] FAULT_INJECTION: forcing a failure. [ 35.163121][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 150 [ 35.164096][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.164108][ C1] Call trace: [ 35.168330][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.169088][ C1] show_stack+0x2c/0x3c [ 35.169790][ C1] __dump_stack+0x30/0x40 [ 35.170517][ C1] dump_stack_lvl+0xf4/0x15c [ 35.171285][ C1] dump_stack+0x1c/0x5c [ 35.171992][ C1] should_fail_ex+0x3cc/0x524 [ 35.172780][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.173628][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.174447][ C1] __alloc_pages+0x134/0x544 [ 35.175190][ C1] alloc_pages+0x434/0x6fc [ 35.175921][ C1] alloc_slab_page+0x78/0x144 [ 35.176678][ C1] new_slab+0x1f4/0x2d8 [ 35.177364][ C1] ___slab_alloc+0x890/0xe90 [ 35.178112][ C1] __slab_alloc+0x74/0xd0 [ 35.178879][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.179773][ C1] __alloc_skb+0x128/0x728 [ 35.180554][ C1] ndisc_alloc_skb+0x9c/0x40c [ 35.181344][ C1] ndisc_send_rs+0x1e4/0x524 [ 35.182144][ C1] addrconf_rs_timer+0x234/0x54c [ 35.182956][ C1] call_timer_fn+0x1b8/0x96c [ 35.183724][ C1] __run_timers+0x478/0x6d8 [ 35.184490][ C1] run_timer_softirq+0x7c/0x114 [ 35.185321][ C1] handle_softirqs+0x318/0xc90 [ 35.186110][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.186847][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.187694][ C1] kthread+0x254/0x2e0 [ 35.188385][ C1] ret_from_fork+0x10/0x20 [ 35.189136][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.189514][ C1] FAULT_INJECTION: forcing a failure. [ 35.189514][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 148 [ 35.190265][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.193833][ C0] Call trace: [ 35.194374][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.195150][ C0] show_stack+0x2c/0x3c [ 35.195845][ C0] __dump_stack+0x30/0x40 [ 35.196602][ C0] dump_stack_lvl+0xf4/0x15c [ 35.197397][ C0] dump_stack+0x1c/0x5c [ 35.198098][ C0] should_fail_ex+0x3cc/0x524 [ 35.198916][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.199796][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.200662][ C0] __alloc_pages+0x134/0x544 [ 35.201427][ C0] alloc_pages+0x434/0x6fc [ 35.202186][ C0] alloc_slab_page+0x78/0x144 [ 35.203001][ C0] new_slab+0x1f4/0x2d8 [ 35.203742][ C0] ___slab_alloc+0x890/0xe90 [ 35.204514][ C0] __slab_alloc+0x74/0xd0 [ 35.205263][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.206124][ C0] __alloc_skb+0x128/0x728 [ 35.206847][ C0] lapb_send_control+0x48/0x324 [ 35.207703][ C0] lapb_t1timer_expiry+0x458/0x808 [ 35.208547][ C0] call_timer_fn+0x1b8/0x96c [ 35.209340][ C0] __run_timers+0x478/0x6d8 [ 35.210110][ C0] run_timer_softirq+0x7c/0x114 [ 35.210949][ C0] handle_softirqs+0x318/0xc90 [ 35.211784][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.212492][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.213291][ C0] kthread+0x254/0x2e0 [ 35.213951][ C0] ret_from_fork+0x10/0x20 [ 35.214668][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.214801][ C0] FAULT_INJECTION: forcing a failure. [ 35.214801][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 146 [ 35.215766][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.219492][ C1] Call trace: [ 35.219978][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.220686][ C1] show_stack+0x2c/0x3c [ 35.221321][ C1] __dump_stack+0x30/0x40 [ 35.222000][ C1] dump_stack_lvl+0xf4/0x15c [ 35.222749][ C1] dump_stack+0x1c/0x5c [ 35.223387][ C1] should_fail_ex+0x3cc/0x524 [ 35.224111][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.224963][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.225791][ C1] __alloc_pages+0x134/0x544 [ 35.226529][ C1] alloc_pages+0x434/0x6fc [ 35.227224][ C1] alloc_slab_page+0x78/0x144 [ 35.228005][ C1] new_slab+0x1f4/0x2d8 [ 35.228698][ C1] ___slab_alloc+0x890/0xe90 [ 35.229456][ C1] __slab_alloc+0x74/0xd0 [ 35.230153][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.231080][ C1] __alloc_skb+0x128/0x728 [ 35.231817][ C1] lapb_send_control+0x48/0x324 [ 35.232631][ C1] lapb_t1timer_expiry+0x458/0x808 [ 35.233483][ C1] call_timer_fn+0x1b8/0x96c [ 35.234222][ C1] __run_timers+0x478/0x6d8 [ 35.234955][ C1] run_timer_softirq+0x7c/0x114 [ 35.235733][ C1] handle_softirqs+0x318/0xc90 [ 35.236506][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.237222][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.238024][ C1] kthread+0x254/0x2e0 [ 35.238701][ C1] ret_from_fork+0x10/0x20 [ 35.239492][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.239588][ C1] FAULT_INJECTION: forcing a failure. [ 35.239588][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 144 [ 35.240644][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.244283][ C0] Call trace: [ 35.244835][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.245619][ C0] show_stack+0x2c/0x3c [ 35.246306][ C0] __dump_stack+0x30/0x40 [ 35.247055][ C0] dump_stack_lvl+0xf4/0x15c [ 35.247849][ C0] dump_stack+0x1c/0x5c [ 35.248555][ C0] should_fail_ex+0x3cc/0x524 [ 35.249328][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.250202][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.251072][ C0] __alloc_pages+0x134/0x544 [ 35.251840][ C0] alloc_pages+0x434/0x6fc [ 35.252565][ C0] alloc_slab_page+0x78/0x144 [ 35.253399][ C0] new_slab+0x1f4/0x2d8 [ 35.254109][ C0] ___slab_alloc+0x890/0xe90 [ 35.254926][ C0] __slab_alloc+0x74/0xd0 [ 35.255659][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.256535][ C0] __alloc_skb+0x128/0x728 [ 35.257301][ C0] lapb_send_control+0x48/0x324 [ 35.258187][ C0] lapb_t1timer_expiry+0x458/0x808 [ 35.259060][ C0] call_timer_fn+0x1b8/0x96c [ 35.259829][ C0] __run_timers+0x478/0x6d8 [ 35.260567][ C0] run_timer_softirq+0x7c/0x114 [ 35.261395][ C0] handle_softirqs+0x318/0xc90 [ 35.262232][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.262981][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.263816][ C0] kthread+0x254/0x2e0 [ 35.264545][ C0] ret_from_fork+0x10/0x20 [ 35.265302][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.265423][ C0] FAULT_INJECTION: forcing a failure. [ 35.265423][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 142 [ 35.266351][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.269850][ C1] Call trace: [ 35.270359][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.271055][ C1] show_stack+0x2c/0x3c [ 35.271700][ C1] __dump_stack+0x30/0x40 [ 35.272367][ C1] dump_stack_lvl+0xf4/0x15c [ 35.273074][ C1] dump_stack+0x1c/0x5c [ 35.273699][ C1] should_fail_ex+0x3cc/0x524 [ 35.274481][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.275327][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.276183][ C1] __alloc_pages+0x134/0x544 [ 35.276939][ C1] alloc_pages+0x434/0x6fc [ 35.277666][ C1] alloc_slab_page+0x78/0x144 [ 35.278444][ C1] new_slab+0x1f4/0x2d8 [ 35.279165][ C1] ___slab_alloc+0x890/0xe90 [ 35.279954][ C1] __slab_alloc+0x74/0xd0 [ 35.280692][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.281605][ C1] __alloc_skb+0x128/0x728 [ 35.282387][ C1] ndisc_alloc_skb+0x9c/0x40c [ 35.283206][ C1] ndisc_send_rs+0x1e4/0x524 [ 35.283981][ C1] addrconf_rs_timer+0x234/0x54c [ 35.284837][ C1] call_timer_fn+0x1b8/0x96c [ 35.285646][ C1] __run_timers+0x478/0x6d8 [ 35.286443][ C1] run_timer_softirq+0x7c/0x114 [ 35.287308][ C1] handle_softirqs+0x318/0xc90 [ 35.288153][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.288944][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.289808][ C1] kthread+0x254/0x2e0 [ 35.290621][ C1] ret_from_fork+0x10/0x20 [ 35.291402][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.291454][ C1] FAULT_INJECTION: forcing a failure. [ 35.291454][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 140 [ 35.292548][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.296502][ C0] Call trace: [ 35.297056][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.297916][ C0] show_stack+0x2c/0x3c [ 35.298625][ C0] __dump_stack+0x30/0x40 [ 35.299367][ C0] dump_stack_lvl+0xf4/0x15c [ 35.300145][ C0] dump_stack+0x1c/0x5c [ 35.300816][ C0] should_fail_ex+0x3cc/0x524 [ 35.301662][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.302506][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.303345][ C0] __alloc_pages+0x134/0x544 [ 35.304090][ C0] alloc_pages+0x434/0x6fc [ 35.304787][ C0] alloc_slab_page+0x78/0x144 [ 35.305531][ C0] new_slab+0x1f4/0x2d8 [ 35.306226][ C0] ___slab_alloc+0x890/0xe90 [ 35.307011][ C0] __slab_alloc+0x74/0xd0 [ 35.307740][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.308634][ C0] __alloc_skb+0x128/0x728 [ 35.309408][ C0] wg_packet_send_keepalive+0x6c/0x248 [ 35.310318][ C0] wg_expired_send_persistent_keepalive+0x60/0x84 [ 35.311385][ C0] call_timer_fn+0x1b8/0x96c [ 35.312168][ C0] __run_timers+0x478/0x6d8 [ 35.312926][ C0] run_timer_softirq+0x7c/0x114 [ 35.313770][ C0] handle_softirqs+0x318/0xc90 [ 35.314549][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.315301][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.316094][ C0] kthread+0x254/0x2e0 [ 35.316782][ C0] ret_from_fork+0x10/0x20 [ 35.317543][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.317598][ C0] FAULT_INJECTION: forcing a failure. [ 35.317598][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 138 [ 35.318691][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.322332][ C1] Call trace: [ 35.322877][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.323640][ C1] show_stack+0x2c/0x3c [ 35.324309][ C1] __dump_stack+0x30/0x40 [ 35.325052][ C1] dump_stack_lvl+0xf4/0x15c [ 35.325823][ C1] dump_stack+0x1c/0x5c [ 35.326514][ C1] should_fail_ex+0x3cc/0x524 [ 35.327315][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.328208][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.329072][ C1] __alloc_pages+0x134/0x544 [ 35.329780][ C1] alloc_pages+0x434/0x6fc [ 35.330487][ C1] alloc_slab_page+0x78/0x144 [ 35.331248][ C1] new_slab+0x1f4/0x2d8 [ 35.331914][ C1] ___slab_alloc+0x890/0xe90 [ 35.332694][ C1] __slab_alloc+0x74/0xd0 [ 35.333433][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.334331][ C1] __alloc_skb+0x128/0x728 [ 35.335052][ C1] lapb_send_control+0x48/0x324 [ 35.335857][ C1] lapb_t1timer_expiry+0x458/0x808 [ 35.336718][ C1] call_timer_fn+0x1b8/0x96c [ 35.337485][ C1] __run_timers+0x478/0x6d8 [ 35.338226][ C1] run_timer_softirq+0x7c/0x114 [ 35.339045][ C1] handle_softirqs+0x318/0xc90 [ 35.339780][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.340539][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.341331][ C1] kthread+0x254/0x2e0 [ 35.341998][ C1] ret_from_fork+0x10/0x20 [ 35.342730][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.342827][ C1] FAULT_INJECTION: forcing a failure. [ 35.342827][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 136 [ 35.343920][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.343931][ C0] Call trace: [ 35.343937][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.343946][ C0] show_stack+0x2c/0x3c [ 35.349668][ C0] __dump_stack+0x30/0x40 [ 35.350389][ C0] dump_stack_lvl+0xf4/0x15c [ 35.351176][ C0] dump_stack+0x1c/0x5c [ 35.351857][ C0] should_fail_ex+0x3cc/0x524 [ 35.352622][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.353515][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.354384][ C0] __alloc_pages+0x134/0x544 [ 35.355175][ C0] alloc_pages+0x434/0x6fc [ 35.355876][ C0] alloc_slab_page+0x78/0x144 [ 35.356686][ C0] new_slab+0x1f4/0x2d8 [ 35.357376][ C0] ___slab_alloc+0x890/0xe90 [ 35.358118][ C0] __slab_alloc+0x74/0xd0 [ 35.358835][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.359724][ C0] __alloc_skb+0x128/0x728 [ 35.360450][ C0] ndisc_alloc_skb+0x9c/0x40c [ 35.361229][ C0] ndisc_send_rs+0x1e4/0x524 [ 35.361978][ C0] addrconf_rs_timer+0x234/0x54c [ 35.362834][ C0] call_timer_fn+0x1b8/0x96c [ 35.363614][ C0] __run_timers+0x478/0x6d8 [ 35.364353][ C0] run_timer_softirq+0x7c/0x114 [ 35.365136][ C0] handle_softirqs+0x318/0xc90 [ 35.365916][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.366653][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.367529][ C0] kthread+0x254/0x2e0 [ 35.368226][ C0] ret_from_fork+0x10/0x20 [ 35.368987][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.369204][ C0] FAULT_INJECTION: forcing a failure. [ 35.369204][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 133 [ 35.370137][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.374061][ C1] Call trace: [ 35.374594][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.375379][ C1] show_stack+0x2c/0x3c [ 35.376075][ C1] __dump_stack+0x30/0x40 [ 35.376782][ C1] dump_stack_lvl+0xf4/0x15c [ 35.377566][ C1] dump_stack+0x1c/0x5c [ 35.378250][ C1] should_fail_ex+0x3cc/0x524 [ 35.379022][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.379925][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.380799][ C1] __alloc_pages+0x134/0x544 [ 35.381561][ C1] alloc_pages+0x434/0x6fc [ 35.382300][ C1] alloc_slab_page+0x78/0x144 [ 35.383076][ C1] new_slab+0x1f4/0x2d8 [ 35.383765][ C1] ___slab_alloc+0x890/0xe90 [ 35.384490][ C1] __slab_alloc+0x74/0xd0 [ 35.385215][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.386112][ C1] __alloc_skb+0x128/0x728 [ 35.386861][ C1] __netdev_alloc_skb+0xb8/0x3c8 [ 35.387657][ C1] hsr_init_skb+0xc0/0x434 [ 35.388382][ C1] send_hsr_supervision_frame+0x110/0x8e4 [ 35.389313][ C1] hsr_announce+0x160/0x2ec [ 35.390077][ C1] call_timer_fn+0x1b8/0x96c [ 35.390839][ C1] __run_timers+0x478/0x6d8 [ 35.391612][ C1] run_timer_softirq+0x7c/0x114 [ 35.392460][ C1] handle_softirqs+0x318/0xc90 [ 35.393250][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.393993][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.394825][ C1] kthread+0x254/0x2e0 [ 35.395535][ C1] ret_from_fork+0x10/0x20 [ 35.396257][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.396288][ C1] hsr0: HSR: Could not send supervision frame [ 35.397382][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.398349][ C1] FAULT_INJECTION: forcing a failure. [ 35.398349][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 131 [ 35.399791][ C0] Call trace: [ 35.402190][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.402947][ C0] show_stack+0x2c/0x3c [ 35.403594][ C0] __dump_stack+0x30/0x40 [ 35.404282][ C0] dump_stack_lvl+0xf4/0x15c [ 35.405054][ C0] dump_stack+0x1c/0x5c [ 35.405762][ C0] should_fail_ex+0x3cc/0x524 [ 35.406540][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.407424][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.408298][ C0] __alloc_pages+0x134/0x544 [ 35.409083][ C0] alloc_pages_node+0x144/0x1d0 [ 35.409909][ C0] __napi_alloc_skb+0x314/0x4c4 [ 35.410714][ C0] napi_get_frags+0x78/0x148 [ 35.411504][ C0] gve_rx_poll_dqo+0x67c/0x1e70 [ 35.412306][ C0] gve_napi_poll_dqo+0xcc/0x1c8 [ 35.413110][ C0] __napi_poll+0xb8/0x3f4 [ 35.413869][ C0] net_rx_action+0x52c/0xb5c [ 35.414637][ C0] handle_softirqs+0x318/0xc90 [ 35.415452][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.416204][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.417030][ C0] kthread+0x254/0x2e0 [ 35.417717][ C0] ret_from_fork+0x10/0x20 [ 35.418519][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.418549][ C0] FAULT_INJECTION: forcing a failure. [ 35.418549][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 130 [ 35.419611][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.423223][ C1] Call trace: [ 35.423704][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.424470][ C1] show_stack+0x2c/0x3c [ 35.425185][ C1] __dump_stack+0x30/0x40 [ 35.425915][ C1] dump_stack_lvl+0xf4/0x15c [ 35.426689][ C1] dump_stack+0x1c/0x5c [ 35.427398][ C1] should_fail_ex+0x3cc/0x524 [ 35.428179][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.429043][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.429927][ C1] __alloc_pages+0x134/0x544 [ 35.430685][ C1] alloc_pages+0x434/0x6fc [ 35.431418][ C1] alloc_slab_page+0x78/0x144 [ 35.432180][ C1] new_slab+0x1f4/0x2d8 [ 35.432847][ C1] ___slab_alloc+0x890/0xe90 [ 35.433592][ C1] __slab_alloc+0x74/0xd0 [ 35.434335][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.435206][ C1] __alloc_skb+0x128/0x728 [ 35.435947][ C1] __netdev_alloc_skb+0xb8/0x3c8 [ 35.436816][ C1] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.437792][ C1] ieee80211_beacon_get_tim+0x70/0x44c [ 35.438760][ C1] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.439705][ C1] __iterate_interfaces+0x200/0x47c [ 35.440575][ C1] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.441775][ C1] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.442637][ C1] __hrtimer_run_queues+0x444/0xc58 [ 35.443494][ C1] hrtimer_run_softirq+0x164/0x408 [ 35.444309][ C1] handle_softirqs+0x318/0xc90 [ 35.445110][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.445864][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.446738][ C1] kthread+0x254/0x2e0 [ 35.447464][ C1] ret_from_fork+0x10/0x20 [ 35.448257][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.448317][ C1] FAULT_INJECTION: forcing a failure. [ 35.448317][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 128 [ 35.449490][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.453013][ C0] Call trace: [ 35.453531][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.454381][ C0] show_stack+0x2c/0x3c [ 35.455183][ C0] __dump_stack+0x30/0x40 [ 35.456035][ C0] dump_stack_lvl+0xf4/0x15c [ 35.456915][ C0] dump_stack+0x1c/0x5c [ 35.457621][ C0] should_fail_ex+0x3cc/0x524 [ 35.458432][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.459284][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.460101][ C0] __alloc_pages+0x134/0x544 [ 35.460869][ C0] alloc_pages_node+0x144/0x1d0 [ 35.461653][ C0] __napi_alloc_skb+0x314/0x4c4 [ 35.462470][ C0] napi_get_frags+0x78/0x148 [ 35.463275][ C0] gve_rx_poll_dqo+0x67c/0x1e70 [ 35.464081][ C0] gve_napi_poll_dqo+0xcc/0x1c8 [ 35.464892][ C0] __napi_poll+0xb8/0x3f4 [ 35.465656][ C0] net_rx_action+0x52c/0xb5c [ 35.466392][ C0] handle_softirqs+0x318/0xc90 [ 35.467135][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.467889][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.468719][ C0] kthread+0x254/0x2e0 [ 35.469402][ C0] ret_from_fork+0x10/0x20 [ 35.470140][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.470219][ C0] FAULT_INJECTION: forcing a failure. [ 35.470219][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 126 [ 35.471229][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.474917][ C1] Call trace: [ 35.475467][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.476286][ C1] show_stack+0x2c/0x3c [ 35.476987][ C1] __dump_stack+0x30/0x40 [ 35.477676][ C1] dump_stack_lvl+0xf4/0x15c [ 35.478470][ C1] dump_stack+0x1c/0x5c [ 35.479180][ C1] should_fail_ex+0x3cc/0x524 [ 35.479965][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.480821][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.481672][ C1] __alloc_pages+0x134/0x544 [ 35.482398][ C1] alloc_pages+0x434/0x6fc [ 35.483121][ C1] alloc_slab_page+0x78/0x144 [ 35.483954][ C1] new_slab+0x1f4/0x2d8 [ 35.484688][ C1] ___slab_alloc+0x890/0xe90 [ 35.485483][ C1] __slab_alloc+0x74/0xd0 [ 35.486208][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.487060][ C1] __alloc_skb+0x128/0x728 [ 35.487789][ C1] __netdev_alloc_skb+0xb8/0x3c8 [ 35.488584][ C1] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.489514][ C1] ieee80211_beacon_get_tim+0x70/0x44c [ 35.490427][ C1] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.491338][ C1] __iterate_interfaces+0x200/0x47c [ 35.492214][ C1] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.493390][ C1] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.494261][ C1] __hrtimer_run_queues+0x444/0xc58 [ 35.495118][ C1] hrtimer_run_softirq+0x164/0x408 [ 35.496038][ C1] handle_softirqs+0x318/0xc90 [ 35.496886][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.497653][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.498507][ C1] kthread+0x254/0x2e0 [ 35.499227][ C1] ret_from_fork+0x10/0x20 [ 35.500000][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.500063][ C1] FAULT_INJECTION: forcing a failure. [ 35.500063][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 124 [ 35.501189][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.504962][ C0] Call trace: [ 35.505507][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.506283][ C0] show_stack+0x2c/0x3c [ 35.506968][ C0] __dump_stack+0x30/0x40 [ 35.507707][ C0] dump_stack_lvl+0xf4/0x15c [ 35.508506][ C0] dump_stack+0x1c/0x5c [ 35.509218][ C0] should_fail_ex+0x3cc/0x524 [ 35.510035][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.510924][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.511803][ C0] __alloc_pages+0x134/0x544 [ 35.512598][ C0] alloc_pages+0x434/0x6fc [ 35.513379][ C0] alloc_slab_page+0x78/0x144 [ 35.514177][ C0] new_slab+0x1f4/0x2d8 [ 35.514893][ C0] ___slab_alloc+0x890/0xe90 [ 35.515647][ C0] __slab_alloc+0x74/0xd0 [ 35.516410][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.517262][ C0] __alloc_skb+0x128/0x728 [ 35.518028][ C0] __netdev_alloc_skb+0xb8/0x3c8 [ 35.518836][ C0] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.519737][ C0] ieee80211_beacon_get_tim+0x70/0x44c [ 35.520663][ C0] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.521605][ C0] __iterate_interfaces+0x200/0x47c [ 35.522533][ C0] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.523677][ C0] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.524513][ C0] __hrtimer_run_queues+0x444/0xc58 [ 35.525421][ C0] hrtimer_run_softirq+0x164/0x408 [ 35.526286][ C0] handle_softirqs+0x318/0xc90 [ 35.527070][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.527825][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.528677][ C0] kthread+0x254/0x2e0 [ 35.529376][ C0] ret_from_fork+0x10/0x20 [ 35.530093][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.530153][ C0] FAULT_INJECTION: forcing a failure. [ 35.530153][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 122 [ 35.531264][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.535014][ C1] Call trace: [ 35.535602][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.536405][ C1] show_stack+0x2c/0x3c [ 35.537154][ C1] __dump_stack+0x30/0x40 [ 35.537898][ C1] dump_stack_lvl+0xf4/0x15c [ 35.538686][ C1] dump_stack+0x1c/0x5c [ 35.539432][ C1] should_fail_ex+0x3cc/0x524 [ 35.540254][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.541163][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.542055][ C1] __alloc_pages+0x134/0x544 [ 35.542812][ C1] alloc_pages+0x434/0x6fc [ 35.543571][ C1] alloc_slab_page+0x78/0x144 [ 35.544395][ C1] new_slab+0x1f4/0x2d8 [ 35.545099][ C1] ___slab_alloc+0x890/0xe90 [ 35.545924][ C1] __slab_alloc+0x74/0xd0 [ 35.546662][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.547528][ C1] __alloc_skb+0x128/0x728 [ 35.548271][ C1] __netdev_alloc_skb+0xb8/0x3c8 [ 35.549081][ C1] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.550008][ C1] ieee80211_beacon_get_tim+0x70/0x44c [ 35.550887][ C1] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.551791][ C1] __iterate_interfaces+0x200/0x47c [ 35.552621][ C1] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.553834][ C1] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.554685][ C1] __hrtimer_run_queues+0x444/0xc58 [ 35.555567][ C1] hrtimer_run_softirq+0x164/0x408 [ 35.556439][ C1] handle_softirqs+0x318/0xc90 [ 35.557258][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.558016][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.558851][ C1] kthread+0x254/0x2e0 [ 35.559538][ C1] ret_from_fork+0x10/0x20 [ 35.560285][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.560343][ C1] FAULT_INJECTION: forcing a failure. [ 35.560343][ C1] name fail_page_alloc, interval 1, probability 100, space 0, times 120 [ 35.561503][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.565242][ C0] Call trace: [ 35.565820][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.566599][ C0] show_stack+0x2c/0x3c [ 35.567309][ C0] __dump_stack+0x30/0x40 [ 35.568049][ C0] dump_stack_lvl+0xf4/0x15c [ 35.568891][ C0] dump_stack+0x1c/0x5c [ 35.569590][ C0] should_fail_ex+0x3cc/0x524 [ 35.570414][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.571276][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.572172][ C0] __alloc_pages+0x134/0x544 [ 35.572964][ C0] alloc_pages+0x434/0x6fc [ 35.573697][ C0] alloc_slab_page+0x78/0x144 [ 35.574529][ C0] new_slab+0x1f4/0x2d8 [ 35.575256][ C0] ___slab_alloc+0x890/0xe90 [ 35.576015][ C0] __slab_alloc+0x74/0xd0 [ 35.576744][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.577620][ C0] __alloc_skb+0x128/0x728 [ 35.578353][ C0] __netdev_alloc_skb+0xb8/0x3c8 [ 35.579242][ C0] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.580211][ C0] ieee80211_beacon_get_tim+0x70/0x44c [ 35.581159][ C0] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.582128][ C0] __iterate_interfaces+0x200/0x47c [ 35.583030][ C0] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.584250][ C0] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.585173][ C0] __hrtimer_run_queues+0x444/0xc58 [ 35.586044][ C0] hrtimer_run_softirq+0x164/0x408 [ 35.586943][ C0] handle_softirqs+0x318/0xc90 [ 35.587703][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.588466][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.589328][ C0] kthread+0x254/0x2e0 [ 35.590038][ C0] ret_from_fork+0x10/0x20 [ 35.590807][ C1] CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted syzkaller #0 [ 35.590855][ C0] FAULT_INJECTION: forcing a failure. [ 35.590855][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 118 [ 35.591957][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.595861][ C1] Call trace: [ 35.596441][ C1] dump_backtrace+0x1c4/0x1f0 [ 35.597262][ C1] show_stack+0x2c/0x3c [ 35.597998][ C1] __dump_stack+0x30/0x40 [ 35.598738][ C1] dump_stack_lvl+0xf4/0x15c [ 35.599506][ C1] dump_stack+0x1c/0x5c [ 35.600232][ C1] should_fail_ex+0x3cc/0x524 [ 35.601034][ C1] should_fail_alloc_page+0x74/0xb8 [ 35.601927][ C1] prepare_alloc_pages+0x1b8/0x4f0 [ 35.602781][ C1] __alloc_pages+0x134/0x544 [ 35.603542][ C1] alloc_pages+0x434/0x6fc [ 35.604306][ C1] alloc_slab_page+0x78/0x144 [ 35.605095][ C1] new_slab+0x1f4/0x2d8 [ 35.605767][ C1] ___slab_alloc+0x890/0xe90 [ 35.606524][ C1] __slab_alloc+0x74/0xd0 [ 35.607245][ C1] kmem_cache_alloc_node+0x2c4/0x344 [ 35.608096][ C1] __alloc_skb+0x128/0x728 [ 35.608844][ C1] __netdev_alloc_skb+0xb8/0x3c8 [ 35.609663][ C1] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.610602][ C1] ieee80211_beacon_get_tim+0x70/0x44c [ 35.611506][ C1] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.612443][ C1] __iterate_interfaces+0x200/0x47c [ 35.613358][ C1] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.614514][ C1] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.615344][ C1] __hrtimer_run_queues+0x444/0xc58 [ 35.616186][ C1] hrtimer_run_softirq+0x164/0x408 [ 35.617024][ C1] handle_softirqs+0x318/0xc90 [ 35.617813][ C1] run_ksoftirqd+0x7c/0x2ac [ 35.618576][ C1] smpboot_thread_fn+0x4e8/0x960 [ 35.619388][ C1] kthread+0x254/0x2e0 [ 35.620065][ C1] ret_from_fork+0x10/0x20 [ 35.620792][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.621007][ T4345] Bluetooth: hci2: command 0x041b tx timeout [ 35.621907][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.622798][ T4345] Bluetooth: hci3: command 0x041b tx timeout [ 35.624366][ C0] Call trace: [ 35.624372][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.625310][ T4345] Bluetooth: hci4: command 0x041b tx timeout [ 35.625832][ C0] show_stack+0x2c/0x3c [ 35.626566][ T4345] Bluetooth: hci1: command 0x041b tx timeout [ 35.627593][ C0] __dump_stack+0x30/0x40 [ 35.628253][ T4345] FAULT_INJECTION: forcing a failure. [ 35.628253][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 115 [ 35.629202][ C0] dump_stack_lvl+0xf4/0x15c [ 35.632968][ C0] dump_stack+0x1c/0x5c [ 35.633678][ C0] should_fail_ex+0x3cc/0x524 [ 35.634471][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.635323][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.636179][ C0] __alloc_pages+0x134/0x544 [ 35.636936][ C0] alloc_pages+0x434/0x6fc [ 35.637669][ C0] alloc_slab_page+0x78/0x144 [ 35.638479][ C0] new_slab+0x1f4/0x2d8 [ 35.639174][ C0] ___slab_alloc+0x890/0xe90 [ 35.639935][ C0] __slab_alloc+0x74/0xd0 [ 35.640658][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.641583][ C0] __alloc_skb+0x128/0x728 [ 35.642359][ C0] __netdev_alloc_skb+0xb8/0x3c8 [ 35.643358][ C0] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.644481][ C0] ieee80211_beacon_get_tim+0x70/0x44c [ 35.645471][ C0] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.646435][ C0] __iterate_interfaces+0x200/0x47c [ 35.647320][ C0] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.648489][ C0] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.649359][ C0] __hrtimer_run_queues+0x444/0xc58 [ 35.650228][ C0] hrtimer_run_softirq+0x164/0x408 [ 35.651097][ C0] handle_softirqs+0x318/0xc90 [ 35.651949][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.652737][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.653571][ C0] kthread+0x254/0x2e0 [ 35.654241][ C0] ret_from_fork+0x10/0x20 [ 35.654941][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.655003][ C0] FAULT_INJECTION: forcing a failure. [ 35.655003][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 113 [ 35.656016][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.659530][ T4345] Workqueue: hci0 hci_cmd_work [ 35.660283][ T4345] Call trace: [ 35.660805][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.661495][ T4345] show_stack+0x2c/0x3c [ 35.662141][ T4345] __dump_stack+0x30/0x40 [ 35.662799][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.663548][ T4345] dump_stack+0x1c/0x5c [ 35.664242][ T4345] should_fail_ex+0x3cc/0x524 [ 35.665044][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.665954][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.666850][ T4345] __alloc_pages+0x134/0x544 [ 35.667659][ T4345] alloc_pages+0x434/0x6fc [ 35.668404][ T4345] alloc_slab_page+0x78/0x144 [ 35.669199][ T4345] new_slab+0x1f4/0x2d8 [ 35.669964][ T4345] ___slab_alloc+0x890/0xe90 [ 35.670764][ T4345] __slab_alloc+0x74/0xd0 [ 35.671505][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.672357][ T4345] skb_clone+0x194/0x308 [ 35.673109][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.673859][ T4345] process_one_work+0x7e4/0x13bc [ 35.674732][ T4345] worker_thread+0x8cc/0xfe8 [ 35.675492][ T4345] kthread+0x254/0x2e0 [ 35.676147][ T4345] ret_from_fork+0x10/0x20 [ 35.676855][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.676978][ T4345] FAULT_INJECTION: forcing a failure. [ 35.676978][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 111 [ 35.678213][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.682145][ C0] Call trace: [ 35.682760][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.683628][ C0] show_stack+0x2c/0x3c [ 35.684320][ C0] __dump_stack+0x30/0x40 [ 35.685108][ C0] dump_stack_lvl+0xf4/0x15c [ 35.685932][ C0] dump_stack+0x1c/0x5c [ 35.686684][ C0] should_fail_ex+0x3cc/0x524 [ 35.687562][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.688550][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.689423][ C0] __alloc_pages+0x134/0x544 [ 35.690163][ C0] alloc_pages+0x434/0x6fc [ 35.690901][ C0] alloc_slab_page+0x78/0x144 [ 35.691710][ C0] new_slab+0x1f4/0x2d8 [ 35.692423][ C0] ___slab_alloc+0x890/0xe90 [ 35.693228][ C0] __slab_alloc+0x74/0xd0 [ 35.693979][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.694881][ C0] __alloc_skb+0x128/0x728 [ 35.695640][ C0] __netdev_alloc_skb+0xb8/0x3c8 [ 35.696475][ C0] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.697377][ C0] ieee80211_beacon_get_tim+0x70/0x44c [ 35.698322][ C0] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.699210][ C0] __iterate_interfaces+0x200/0x47c [ 35.700097][ C0] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.701305][ C0] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.702181][ C0] __hrtimer_run_queues+0x444/0xc58 [ 35.703057][ C0] hrtimer_run_softirq+0x164/0x408 [ 35.703936][ C0] handle_softirqs+0x318/0xc90 [ 35.704733][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.705508][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.706319][ C0] kthread+0x254/0x2e0 [ 35.706997][ C0] ret_from_fork+0x10/0x20 [ 35.707751][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.707807][ C0] FAULT_INJECTION: forcing a failure. [ 35.707807][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 109 [ 35.708964][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.712645][ T4345] Workqueue: hci2 hci_cmd_work [ 35.713428][ T4345] Call trace: [ 35.713981][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.714758][ T4345] show_stack+0x2c/0x3c [ 35.715441][ T4345] __dump_stack+0x30/0x40 [ 35.716185][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.716990][ T4345] dump_stack+0x1c/0x5c [ 35.717737][ T4345] should_fail_ex+0x3cc/0x524 [ 35.718586][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.719526][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.720417][ T4345] __alloc_pages+0x134/0x544 [ 35.721246][ T4345] alloc_pages+0x434/0x6fc [ 35.721996][ T4345] alloc_slab_page+0x78/0x144 [ 35.722787][ T4345] new_slab+0x1f4/0x2d8 [ 35.723504][ T4345] ___slab_alloc+0x890/0xe90 [ 35.724329][ T4345] __slab_alloc+0x74/0xd0 [ 35.725071][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.725921][ T4345] skb_clone+0x194/0x308 [ 35.726622][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.727411][ T4345] process_one_work+0x7e4/0x13bc [ 35.728223][ T4345] worker_thread+0x8cc/0xfe8 [ 35.728967][ T4345] kthread+0x254/0x2e0 [ 35.729641][ T4345] ret_from_fork+0x10/0x20 [ 35.730406][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.730597][ T4345] FAULT_INJECTION: forcing a failure. [ 35.730597][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 107 [ 35.731595][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.735494][ C0] Call trace: [ 35.736063][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.736862][ C0] show_stack+0x2c/0x3c [ 35.737582][ C0] __dump_stack+0x30/0x40 [ 35.738342][ C0] dump_stack_lvl+0xf4/0x15c [ 35.739154][ C0] dump_stack+0x1c/0x5c [ 35.739861][ C0] should_fail_ex+0x3cc/0x524 [ 35.740635][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.741518][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.742386][ C0] __alloc_pages+0x134/0x544 [ 35.743148][ C0] alloc_pages+0x434/0x6fc [ 35.743908][ C0] alloc_slab_page+0x78/0x144 [ 35.744668][ C0] new_slab+0x1f4/0x2d8 [ 35.745361][ C0] ___slab_alloc+0x890/0xe90 [ 35.746134][ C0] __slab_alloc+0x74/0xd0 [ 35.746891][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.747754][ C0] __alloc_skb+0x128/0x728 [ 35.748523][ C0] __netdev_alloc_skb+0xb8/0x3c8 [ 35.749380][ C0] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.750322][ C0] ieee80211_beacon_get_tim+0x70/0x44c [ 35.751304][ C0] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.752313][ C0] __iterate_interfaces+0x200/0x47c [ 35.753235][ C0] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.754432][ C0] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.755318][ C0] __hrtimer_run_queues+0x444/0xc58 [ 35.756256][ C0] hrtimer_run_softirq+0x164/0x408 [ 35.757087][ C0] handle_softirqs+0x318/0xc90 [ 35.757876][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.758635][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.759474][ C0] kthread+0x254/0x2e0 [ 35.760186][ C0] ret_from_fork+0x10/0x20 [ 35.760947][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.761001][ C0] FAULT_INJECTION: forcing a failure. [ 35.761001][ C0] name fail_page_alloc, interval 1, probability 100, space 0, times 105 [ 35.762080][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.766222][ T4345] Workqueue: hci3 hci_cmd_work [ 35.767033][ T4345] Call trace: [ 35.767580][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.768376][ T4345] show_stack+0x2c/0x3c [ 35.769094][ T4345] __dump_stack+0x30/0x40 [ 35.769843][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.770589][ T4345] dump_stack+0x1c/0x5c [ 35.771322][ T4345] should_fail_ex+0x3cc/0x524 [ 35.772109][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.773013][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.773924][ T4345] __alloc_pages+0x134/0x544 [ 35.774714][ T4345] alloc_pages+0x434/0x6fc [ 35.775480][ T4345] alloc_slab_page+0x78/0x144 [ 35.776287][ T4345] new_slab+0x1f4/0x2d8 [ 35.776998][ T4345] ___slab_alloc+0x890/0xe90 [ 35.777804][ T4345] __slab_alloc+0x74/0xd0 [ 35.778566][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.779434][ T4345] skb_clone+0x194/0x308 [ 35.780134][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.780870][ T4345] process_one_work+0x7e4/0x13bc [ 35.781711][ T4345] worker_thread+0x8cc/0xfe8 [ 35.782473][ T4345] kthread+0x254/0x2e0 [ 35.783137][ T4345] ret_from_fork+0x10/0x20 [ 35.783852][ C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 [ 35.784050][ T4345] FAULT_INJECTION: forcing a failure. [ 35.784050][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 103 [ 35.785221][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.789168][ C0] Call trace: [ 35.789787][ C0] dump_backtrace+0x1c4/0x1f0 [ 35.790567][ C0] show_stack+0x2c/0x3c [ 35.791245][ C0] __dump_stack+0x30/0x40 [ 35.791977][ C0] dump_stack_lvl+0xf4/0x15c [ 35.792783][ C0] dump_stack+0x1c/0x5c [ 35.793516][ C0] should_fail_ex+0x3cc/0x524 [ 35.794289][ C0] should_fail_alloc_page+0x74/0xb8 [ 35.795124][ C0] prepare_alloc_pages+0x1b8/0x4f0 [ 35.796016][ C0] __alloc_pages+0x134/0x544 [ 35.796791][ C0] alloc_pages+0x434/0x6fc [ 35.797552][ C0] alloc_slab_page+0x78/0x144 [ 35.798362][ C0] new_slab+0x1f4/0x2d8 [ 35.799084][ C0] ___slab_alloc+0x890/0xe90 [ 35.799883][ C0] __slab_alloc+0x74/0xd0 [ 35.800612][ C0] kmem_cache_alloc_node+0x2c4/0x344 [ 35.801482][ C0] __alloc_skb+0x128/0x728 [ 35.802199][ C0] __netdev_alloc_skb+0xb8/0x3c8 [ 35.803000][ C0] __ieee80211_beacon_get+0xbf0/0x12fc [ 35.803980][ C0] ieee80211_beacon_get_tim+0x70/0x44c [ 35.804969][ C0] mac80211_hwsim_beacon_tx+0x1e4/0x8fc [ 35.805921][ C0] __iterate_interfaces+0x200/0x47c [ 35.806813][ C0] ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 [ 35.808050][ C0] mac80211_hwsim_beacon+0xc8/0x1b0 [ 35.808895][ C0] __hrtimer_run_queues+0x444/0xc58 [ 35.809767][ C0] hrtimer_run_softirq+0x164/0x408 [ 35.810606][ C0] handle_softirqs+0x318/0xc90 [ 35.811424][ C0] run_ksoftirqd+0x7c/0x2ac [ 35.812194][ C0] smpboot_thread_fn+0x4e8/0x960 [ 35.813061][ C0] kthread+0x254/0x2e0 [ 35.813750][ C0] ret_from_fork+0x10/0x20 [ 35.814509][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.814770][ T4342] FAULT_INJECTION: forcing a failure. [ 35.814770][ T4342] name fail_page_alloc, interval 1, probability 100, space 0, times 101 [ 35.815761][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.819529][ T4345] Workqueue: hci4 hci_cmd_work [ 35.820266][ T4345] Call trace: [ 35.820790][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.821511][ T4345] show_stack+0x2c/0x3c [ 35.822194][ T4345] __dump_stack+0x30/0x40 [ 35.822874][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.823611][ T4345] dump_stack+0x1c/0x5c [ 35.824326][ T4345] should_fail_ex+0x3cc/0x524 [ 35.825115][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.826016][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.826848][ T4345] __alloc_pages+0x134/0x544 [ 35.827654][ T4345] alloc_pages+0x434/0x6fc [ 35.828400][ T4345] alloc_slab_page+0x78/0x144 [ 35.829231][ T4345] new_slab+0x1f4/0x2d8 [ 35.829954][ T4345] ___slab_alloc+0x890/0xe90 [ 35.830732][ T4345] __slab_alloc+0x74/0xd0 [ 35.831457][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.832287][ T4345] skb_clone+0x194/0x308 [ 35.833041][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.833769][ T4345] process_one_work+0x7e4/0x13bc [ 35.833958][ T4448] FAULT_INJECTION: forcing a failure. [ 35.833958][ T4448] name fail_page_alloc, interval 1, probability 100, space 0, times 100 [ 35.834540][ T4345] worker_thread+0x8cc/0xfe8 [ 35.837437][ T4345] kthread+0x254/0x2e0 [ 35.838135][ T4345] ret_from_fork+0x10/0x20 [ 35.838895][ T4448] CPU: 0 PID: 4448 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 35.839034][ T4345] FAULT_INJECTION: forcing a failure. [ 35.839034][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 98 [ 35.840075][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.843792][ T4448] Workqueue: events_unbound nsim_dev_trap_report_work [ 35.844941][ T4448] Call trace: [ 35.845500][ T4448] dump_backtrace+0x1c4/0x1f0 [ 35.846294][ T4448] show_stack+0x2c/0x3c [ 35.847008][ T4448] __dump_stack+0x30/0x40 [ 35.847718][ T4448] dump_stack_lvl+0xf4/0x15c [ 35.848488][ T4448] dump_stack+0x1c/0x5c [ 35.849216][ T4448] should_fail_ex+0x3cc/0x524 [ 35.850015][ T4448] should_fail_alloc_page+0x74/0xb8 [ 35.850889][ T4448] prepare_alloc_pages+0x1b8/0x4f0 [ 35.851777][ T4448] __alloc_pages+0x134/0x544 [ 35.852566][ T4448] alloc_pages+0x434/0x6fc [ 35.853283][ T4448] alloc_slab_page+0x78/0x144 [ 35.854081][ T4448] new_slab+0x1f4/0x2d8 [ 35.854792][ T4448] ___slab_alloc+0x890/0xe90 [ 35.855575][ T4448] __slab_alloc+0x74/0xd0 [ 35.856331][ T4448] kmem_cache_alloc_node+0x2c4/0x344 [ 35.857214][ T4448] __alloc_skb+0x128/0x728 [ 35.857967][ T4448] nsim_dev_trap_report_work+0x204/0x94c [ 35.858938][ T4448] process_one_work+0x7e4/0x13bc [ 35.859789][ T4448] worker_thread+0x8cc/0xfe8 [ 35.860596][ T4448] kthread+0x254/0x2e0 [ 35.861252][ T4448] ret_from_fork+0x10/0x20 [ 35.861971][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.862004][ T4448] FAULT_INJECTION: forcing a failure. [ 35.862004][ T4448] name fail_page_alloc, interval 1, probability 100, space 0, times 96 [ 35.863225][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.867033][ T4345] Workqueue: hci0 hci_cmd_work [ 35.867804][ T4345] Call trace: [ 35.868329][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.869074][ T4345] show_stack+0x2c/0x3c [ 35.869767][ T4345] __dump_stack+0x30/0x40 [ 35.870494][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.871281][ T4345] dump_stack+0x1c/0x5c [ 35.871986][ T4345] should_fail_ex+0x3cc/0x524 [ 35.872810][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.873745][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.874671][ T4345] __alloc_pages+0x134/0x544 [ 35.875447][ T4345] alloc_pages+0x434/0x6fc [ 35.876211][ T4345] alloc_slab_page+0x78/0x144 [ 35.877017][ T4345] new_slab+0x1f4/0x2d8 [ 35.877727][ T4345] ___slab_alloc+0x890/0xe90 [ 35.878558][ T4345] __slab_alloc+0x74/0xd0 [ 35.879316][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.880076][ T4345] skb_clone+0x194/0x308 [ 35.880770][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.881577][ T4345] process_one_work+0x7e4/0x13bc [ 35.882401][ T4345] worker_thread+0x8cc/0xfe8 [ 35.883149][ T4345] kthread+0x254/0x2e0 [ 35.883844][ T4345] ret_from_fork+0x10/0x20 [ 35.884590][ T4448] CPU: 0 PID: 4448 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 35.884700][ T4345] FAULT_INJECTION: forcing a failure. [ 35.884700][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 94 [ 35.885686][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.889261][ T4448] Workqueue: events_unbound nsim_dev_trap_report_work [ 35.890268][ T4448] Call trace: [ 35.890768][ T4448] dump_backtrace+0x1c4/0x1f0 [ 35.891505][ T4448] show_stack+0x2c/0x3c [ 35.892180][ T4448] __dump_stack+0x30/0x40 [ 35.892815][ T4448] dump_stack_lvl+0xf4/0x15c [ 35.893568][ T4448] dump_stack+0x1c/0x5c [ 35.894253][ T4448] should_fail_ex+0x3cc/0x524 [ 35.895034][ T4448] should_fail_alloc_page+0x74/0xb8 [ 35.895935][ T4448] prepare_alloc_pages+0x1b8/0x4f0 [ 35.896810][ T4448] __alloc_pages+0x134/0x544 [ 35.897609][ T4448] alloc_pages+0x434/0x6fc [ 35.898396][ T4448] alloc_slab_page+0x78/0x144 [ 35.899195][ T4448] new_slab+0x1f4/0x2d8 [ 35.899905][ T4448] ___slab_alloc+0x890/0xe90 [ 35.900649][ T4448] __slab_alloc+0x74/0xd0 [ 35.901426][ T4448] kmem_cache_alloc_node+0x2c4/0x344 [ 35.902343][ T4448] __alloc_skb+0x128/0x728 [ 35.903120][ T4448] nsim_dev_trap_report_work+0x204/0x94c [ 35.904049][ T4448] process_one_work+0x7e4/0x13bc [ 35.904881][ T4448] worker_thread+0x8cc/0xfe8 [ 35.905637][ T4448] kthread+0x254/0x2e0 [ 35.906309][ T4448] ret_from_fork+0x10/0x20 [ 35.907044][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.907083][ T4448] FAULT_INJECTION: forcing a failure. [ 35.907083][ T4448] name fail_page_alloc, interval 1, probability 100, space 0, times 92 [ 35.908259][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.911812][ T4345] Workqueue: hci2 hci_cmd_work [ 35.912569][ T4345] Call trace: [ 35.913097][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.913829][ T4345] show_stack+0x2c/0x3c [ 35.914514][ T4345] __dump_stack+0x30/0x40 [ 35.915258][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.916001][ T4345] dump_stack+0x1c/0x5c [ 35.916692][ T4345] should_fail_ex+0x3cc/0x524 [ 35.917521][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.918375][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.919225][ T4345] __alloc_pages+0x134/0x544 [ 35.919978][ T4345] alloc_pages+0x434/0x6fc [ 35.920707][ T4345] alloc_slab_page+0x78/0x144 [ 35.921472][ T4345] new_slab+0x1f4/0x2d8 [ 35.922173][ T4345] ___slab_alloc+0x890/0xe90 [ 35.922972][ T4345] __slab_alloc+0x74/0xd0 [ 35.923681][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.924504][ T4345] skb_clone+0x194/0x308 [ 35.925240][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.926005][ T4345] process_one_work+0x7e4/0x13bc [ 35.926808][ T4345] worker_thread+0x8cc/0xfe8 [ 35.927554][ T4345] kthread+0x254/0x2e0 [ 35.928212][ T4345] ret_from_fork+0x10/0x20 [ 35.928933][ T4448] CPU: 0 PID: 4448 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 35.929040][ T4345] FAULT_INJECTION: forcing a failure. [ 35.929040][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 90 [ 35.930203][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.933986][ T4448] Workqueue: events_unbound nsim_dev_trap_report_work [ 35.935106][ T4448] Call trace: [ 35.935676][ T4448] dump_backtrace+0x1c4/0x1f0 [ 35.936534][ T4448] show_stack+0x2c/0x3c [ 35.937270][ T4448] __dump_stack+0x30/0x40 [ 35.938026][ T4448] dump_stack_lvl+0xf4/0x15c [ 35.938813][ T4448] dump_stack+0x1c/0x5c [ 35.939553][ T4448] should_fail_ex+0x3cc/0x524 [ 35.940337][ T4448] should_fail_alloc_page+0x74/0xb8 [ 35.941220][ T4448] prepare_alloc_pages+0x1b8/0x4f0 [ 35.942108][ T4448] __alloc_pages+0x134/0x544 [ 35.942919][ T4448] alloc_pages+0x434/0x6fc [ 35.943673][ T4448] alloc_slab_page+0x78/0x144 [ 35.944515][ T4448] new_slab+0x1f4/0x2d8 [ 35.945250][ T4448] ___slab_alloc+0x890/0xe90 [ 35.946053][ T4448] __slab_alloc+0x74/0xd0 [ 35.946836][ T4448] kmem_cache_alloc_node+0x2c4/0x344 [ 35.947749][ T4448] __alloc_skb+0x128/0x728 [ 35.948494][ T4448] nsim_dev_trap_report_work+0x204/0x94c [ 35.949468][ T4448] process_one_work+0x7e4/0x13bc [ 35.950313][ T4448] worker_thread+0x8cc/0xfe8 [ 35.951109][ T4448] kthread+0x254/0x2e0 [ 35.951844][ T4448] ret_from_fork+0x10/0x20 [ 35.952614][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.952658][ T4448] FAULT_INJECTION: forcing a failure. [ 35.952658][ T4448] name fail_page_alloc, interval 1, probability 100, space 0, times 88 [ 35.953772][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.957692][ T4345] Workqueue: hci3 hci_cmd_work [ 35.958508][ T4345] Call trace: [ 35.959024][ T4345] dump_backtrace+0x1c4/0x1f0 [ 35.959820][ T4345] show_stack+0x2c/0x3c [ 35.960536][ T4345] __dump_stack+0x30/0x40 [ 35.961280][ T4345] dump_stack_lvl+0xf4/0x15c [ 35.962062][ T4345] dump_stack+0x1c/0x5c [ 35.962783][ T4345] should_fail_ex+0x3cc/0x524 [ 35.963560][ T4345] should_fail_alloc_page+0x74/0xb8 [ 35.964486][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 35.965399][ T4345] __alloc_pages+0x134/0x544 [ 35.966224][ T4345] alloc_pages+0x434/0x6fc [ 35.966958][ T4345] alloc_slab_page+0x78/0x144 [ 35.967759][ T4345] new_slab+0x1f4/0x2d8 [ 35.968466][ T4345] ___slab_alloc+0x890/0xe90 [ 35.969218][ T4345] __slab_alloc+0x74/0xd0 [ 35.969980][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 35.970785][ T4345] skb_clone+0x194/0x308 [ 35.971504][ T4345] hci_cmd_work+0xb4/0x4e8 [ 35.972251][ T4345] process_one_work+0x7e4/0x13bc [ 35.973104][ T4345] worker_thread+0x8cc/0xfe8 [ 35.973939][ T4345] kthread+0x254/0x2e0 [ 35.974658][ T4345] ret_from_fork+0x10/0x20 [ 35.975461][ T4448] CPU: 0 PID: 4448 Comm: kworker/u4:6 Not tainted syzkaller #0 [ 35.975534][ T4345] FAULT_INJECTION: forcing a failure. [ 35.975534][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 86 [ 35.976619][ T4448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 35.980346][ T4448] Workqueue: events_unbound nsim_dev_trap_report_work [ 35.981491][ T4448] Call trace: [ 35.981966][ T4448] dump_backtrace+0x1c4/0x1f0 [ 35.982736][ T4448] show_stack+0x2c/0x3c [ 35.983373][ T4448] __dump_stack+0x30/0x40 [ 35.984077][ T4448] dump_stack_lvl+0xf4/0x15c [ 35.984888][ T4448] dump_stack+0x1c/0x5c [ 35.985617][ T4448] should_fail_ex+0x3cc/0x524 [ 35.986436][ T4448] should_fail_alloc_page+0x74/0xb8 [ 35.987341][ T4448] prepare_alloc_pages+0x1b8/0x4f0 [ 35.988201][ T4448] __alloc_pages+0x134/0x544 [ 35.988969][ T4448] alloc_pages+0x434/0x6fc [ 35.989715][ T4448] alloc_slab_page+0x78/0x144 [ 35.990502][ T4448] new_slab+0x1f4/0x2d8 [ 35.991198][ T4448] ___slab_alloc+0x890/0xe90 [ 35.991993][ T4448] __slab_alloc+0x74/0xd0 [ 35.992738][ T4448] kmem_cache_alloc_node+0x2c4/0x344 [ 35.993673][ T4448] __alloc_skb+0x128/0x728 [ 35.994436][ T4448] nsim_dev_trap_report_work+0x204/0x94c [ 35.995393][ T4448] process_one_work+0x7e4/0x13bc [ 35.996216][ T4448] worker_thread+0x8cc/0xfe8 [ 35.996989][ T4448] kthread+0x254/0x2e0 [ 35.997663][ T4448] ret_from_fork+0x10/0x20 [ 35.998379][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 35.998467][ T4337] FAULT_INJECTION: forcing a failure. [ 35.998467][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 84 [ 35.999536][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.003276][ T4345] Workqueue: hci4 hci_cmd_work [ 36.004101][ T4345] Call trace: [ 36.004728][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.005589][ T4345] show_stack+0x2c/0x3c [ 36.006291][ T4345] __dump_stack+0x30/0x40 [ 36.007017][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.007803][ T4345] dump_stack+0x1c/0x5c [ 36.008539][ T4345] should_fail_ex+0x3cc/0x524 [ 36.009372][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.010257][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.011119][ T4345] __alloc_pages+0x134/0x544 [ 36.011904][ T4345] alloc_pages+0x434/0x6fc [ 36.012617][ T4345] alloc_slab_page+0x78/0x144 [ 36.013423][ T4345] new_slab+0x1f4/0x2d8 [ 36.013965][ T4344] FAULT_INJECTION: forcing a failure. [ 36.013965][ T4344] name fail_page_alloc, interval 1, probability 100, space 0, times 83 [ 36.014129][ T4345] ___slab_alloc+0x890/0xe90 [ 36.017161][ T4345] __slab_alloc+0x74/0xd0 [ 36.017922][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.018733][ T4345] skb_clone+0x194/0x308 [ 36.019457][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.020219][ T4345] process_one_work+0x7e4/0x13bc [ 36.021042][ T4345] worker_thread+0x8cc/0xfe8 [ 36.021839][ T4345] kthread+0x254/0x2e0 [ 36.022489][ T4345] ret_from_fork+0x10/0x20 [ 36.023219][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:7 Not tainted syzkaller #0 [ 36.023317][ T4345] FAULT_INJECTION: forcing a failure. [ 36.023317][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 81 [ 36.024412][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.024428][ T4344] Workqueue: hci2 hci_cmd_work [ 36.028921][ T4344] Call trace: [ 36.029484][ T4344] dump_backtrace+0x1c4/0x1f0 [ 36.030343][ T4344] show_stack+0x2c/0x3c [ 36.031083][ T4344] __dump_stack+0x30/0x40 [ 36.031874][ T4344] dump_stack_lvl+0xf4/0x15c [ 36.032711][ T4344] dump_stack+0x1c/0x5c [ 36.033462][ T4344] should_fail_ex+0x3cc/0x524 [ 36.034290][ T4344] should_fail_alloc_page+0x74/0xb8 [ 36.035221][ T4344] prepare_alloc_pages+0x1b8/0x4f0 [ 36.036142][ T4344] __alloc_pages+0x134/0x544 [ 36.036983][ T4344] alloc_pages+0x434/0x6fc [ 36.037782][ T4344] alloc_slab_page+0x78/0x144 [ 36.038661][ T4344] new_slab+0x1f4/0x2d8 [ 36.039442][ T4344] ___slab_alloc+0x890/0xe90 [ 36.040286][ T4344] __slab_alloc+0x74/0xd0 [ 36.041090][ T4344] kmem_cache_alloc+0x2a0/0x310 [ 36.041980][ T4344] skb_clone+0x194/0x308 [ 36.042751][ T4344] hci_cmd_work+0xb4/0x4e8 [ 36.043558][ T4344] process_one_work+0x7e4/0x13bc [ 36.044469][ T4344] worker_thread+0x8cc/0xfe8 [ 36.045320][ T4344] kthread+0x254/0x2e0 [ 36.046029][ T4344] ret_from_fork+0x10/0x20 [ 36.046791][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.046987][ T4330] FAULT_INJECTION: forcing a failure. [ 36.046987][ T4330] name fail_page_alloc, interval 1, probability 100, space 0, times 80 [ 36.048047][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.051615][ T4345] Workqueue: hci3 hci_cmd_work [ 36.052322][ T4345] Call trace: [ 36.052841][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.053592][ T4345] show_stack+0x2c/0x3c [ 36.054246][ T4345] __dump_stack+0x30/0x40 [ 36.054966][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.055760][ T4345] dump_stack+0x1c/0x5c [ 36.056486][ T4345] should_fail_ex+0x3cc/0x524 [ 36.057315][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.058213][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.059096][ T4345] __alloc_pages+0x134/0x544 [ 36.059880][ T4345] alloc_pages+0x434/0x6fc [ 36.060633][ T4345] alloc_slab_page+0x78/0x144 [ 36.061453][ T4345] new_slab+0x1f4/0x2d8 [ 36.062167][ T4345] ___slab_alloc+0x890/0xe90 [ 36.062940][ T4345] __slab_alloc+0x74/0xd0 [ 36.063678][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.064503][ T4345] skb_clone+0x194/0x308 [ 36.065202][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.065945][ T4345] process_one_work+0x7e4/0x13bc [ 36.066786][ T4345] worker_thread+0x8cc/0xfe8 [ 36.067586][ T4345] kthread+0x254/0x2e0 [ 36.068311][ T4345] ret_from_fork+0x10/0x20 [ 36.069098][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.069490][ T4345] FAULT_INJECTION: forcing a failure. [ 36.069490][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 78 [ 36.070246][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.073857][ T4337] Workqueue: hci0 hci_cmd_work [ 36.074641][ T4337] Call trace: [ 36.075259][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.076047][ T4337] show_stack+0x2c/0x3c [ 36.076743][ T4337] __dump_stack+0x30/0x40 [ 36.077490][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.078282][ T4337] dump_stack+0x1c/0x5c [ 36.079006][ T4337] should_fail_ex+0x3cc/0x524 [ 36.079808][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.080716][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.081646][ T4337] __alloc_pages+0x134/0x544 [ 36.082464][ T4337] alloc_pages+0x434/0x6fc [ 36.083187][ T4337] alloc_slab_page+0x78/0x144 [ 36.084004][ T4337] new_slab+0x1f4/0x2d8 [ 36.084703][ T4337] ___slab_alloc+0x890/0xe90 [ 36.085457][ T4337] __slab_alloc+0x74/0xd0 [ 36.086204][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.087060][ T4337] skb_clone+0x194/0x308 [ 36.087788][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.088593][ T4337] process_one_work+0x7e4/0x13bc [ 36.089436][ T4337] worker_thread+0x8cc/0xfe8 [ 36.090247][ T4337] kthread+0x254/0x2e0 [ 36.090936][ T4337] ret_from_fork+0x10/0x20 [ 36.091696][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.092909][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.094577][ T4345] Workqueue: hci3 hci_cmd_work [ 36.095446][ T4345] Call trace: [ 36.096040][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.096891][ T4345] show_stack+0x2c/0x3c [ 36.097636][ T4345] __dump_stack+0x30/0x40 [ 36.098418][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.099227][ T4345] dump_stack+0x1c/0x5c [ 36.099896][ T4345] should_fail_ex+0x3cc/0x524 [ 36.100693][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.101529][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.102347][ T4345] __alloc_pages+0x134/0x544 [ 36.103118][ T4345] alloc_pages+0x434/0x6fc [ 36.103894][ T4345] alloc_slab_page+0x78/0x144 [ 36.104752][ T4345] new_slab+0x1f4/0x2d8 [ 36.105430][ T4345] ___slab_alloc+0x890/0xe90 [ 36.106173][ T4345] __slab_alloc+0x74/0xd0 [ 36.106938][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.107744][ T4345] skb_clone+0x194/0x308 [ 36.108427][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.109169][ T4345] process_one_work+0x7e4/0x13bc [ 36.110018][ T4345] worker_thread+0x8cc/0xfe8 [ 36.110800][ T4345] kthread+0x254/0x2e0 [ 36.111452][ T4345] ret_from_fork+0x10/0x20 [ 36.112171][ T4342] CPU: 0 PID: 4342 Comm: kworker/u5:6 Not tainted syzkaller #0 [ 36.113372][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.113558][ T4445] FAULT_INJECTION: forcing a failure. [ 36.113558][ T4445] name fail_page_alloc, interval 1, probability 100, space 0, times 78 [ 36.115017][ T4342] Workqueue: hci1 hci_cmd_work [ 36.115039][ T4342] Call trace: [ 36.115042][ T4342] dump_backtrace+0x1c4/0x1f0 [ 36.115049][ T4342] show_stack+0x2c/0x3c [ 36.115056][ T4342] __dump_stack+0x30/0x40 [ 36.117258][ T4345] FAULT_INJECTION: forcing a failure. [ 36.117258][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 76 [ 36.117950][ T4342] dump_stack_lvl+0xf4/0x15c [ 36.123733][ T4342] dump_stack+0x1c/0x5c [ 36.124501][ T4342] should_fail_ex+0x3cc/0x524 [ 36.125329][ T4342] should_fail_alloc_page+0x74/0xb8 [ 36.126210][ T4342] prepare_alloc_pages+0x1b8/0x4f0 [ 36.127081][ T4342] __alloc_pages+0x134/0x544 [ 36.127996][ T4342] alloc_pages+0x434/0x6fc [ 36.128819][ T4342] alloc_slab_page+0x78/0x144 [ 36.129833][ T4342] new_slab+0x1f4/0x2d8 [ 36.130732][ T4342] ___slab_alloc+0x890/0xe90 [ 36.131734][ T4342] __slab_alloc+0x74/0xd0 [ 36.132547][ T4342] kmem_cache_alloc+0x2a0/0x310 [ 36.133509][ T4342] skb_clone+0x194/0x308 [ 36.134313][ T4342] hci_cmd_work+0xb4/0x4e8 [ 36.135115][ T4342] process_one_work+0x7e4/0x13bc [ 36.136126][ T4342] worker_thread+0x8cc/0xfe8 [ 36.137072][ T4342] kthread+0x254/0x2e0 [ 36.137824][ T4342] ret_from_fork+0x10/0x20 [ 36.138640][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.139893][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.141437][ T4345] Workqueue: hci3 hci_cmd_work [ 36.142200][ T4345] Call trace: [ 36.142743][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.143483][ T4345] show_stack+0x2c/0x3c [ 36.144175][ T4345] __dump_stack+0x30/0x40 [ 36.144879][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.145629][ T4345] dump_stack+0x1c/0x5c [ 36.146317][ T4345] should_fail_ex+0x3cc/0x524 [ 36.147064][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.147920][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.148793][ T4345] __alloc_pages+0x134/0x544 [ 36.149549][ T4345] alloc_pages+0x434/0x6fc [ 36.150313][ T4345] alloc_slab_page+0x78/0x144 [ 36.151098][ T4345] new_slab+0x1f4/0x2d8 [ 36.151767][ T4345] ___slab_alloc+0x890/0xe90 [ 36.152536][ T4345] __slab_alloc+0x74/0xd0 [ 36.153260][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.154092][ T4345] skb_clone+0x194/0x308 [ 36.154218][ T4344] FAULT_INJECTION: forcing a failure. [ 36.154218][ T4344] name fail_page_alloc, interval 1, probability 100, space 0, times 74 [ 36.154783][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.157672][ T4345] process_one_work+0x7e4/0x13bc [ 36.158497][ T4345] worker_thread+0x8cc/0xfe8 [ 36.159256][ T4345] kthread+0x254/0x2e0 [ 36.159940][ T4345] ret_from_fork+0x10/0x20 [ 36.160706][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:7 Not tainted syzkaller #0 [ 36.160870][ T4345] FAULT_INJECTION: forcing a failure. [ 36.160870][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 72 [ 36.161947][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.165709][ T4344] Workqueue: hci2 hci_cmd_work [ 36.166548][ T4344] Call trace: [ 36.167153][ T4344] dump_backtrace+0x1c4/0x1f0 [ 36.167972][ T4344] show_stack+0x2c/0x3c [ 36.168734][ T4344] __dump_stack+0x30/0x40 [ 36.169524][ T4344] dump_stack_lvl+0xf4/0x15c [ 36.170350][ T4344] dump_stack+0x1c/0x5c [ 36.171099][ T4344] should_fail_ex+0x3cc/0x524 [ 36.171903][ T4344] should_fail_alloc_page+0x74/0xb8 [ 36.172799][ T4344] prepare_alloc_pages+0x1b8/0x4f0 [ 36.173659][ T4344] __alloc_pages+0x134/0x544 [ 36.174484][ T4344] alloc_pages+0x434/0x6fc [ 36.175279][ T4344] alloc_slab_page+0x78/0x144 [ 36.176098][ T4344] new_slab+0x1f4/0x2d8 [ 36.176831][ T4344] ___slab_alloc+0x890/0xe90 [ 36.177641][ T4344] __slab_alloc+0x74/0xd0 [ 36.178352][ T4344] kmem_cache_alloc+0x2a0/0x310 [ 36.179164][ T4344] skb_clone+0x194/0x308 [ 36.179916][ T4344] hci_cmd_work+0xb4/0x4e8 [ 36.180679][ T4344] process_one_work+0x7e4/0x13bc [ 36.181561][ T4344] worker_thread+0x8cc/0xfe8 [ 36.182332][ T4344] kthread+0x254/0x2e0 [ 36.183078][ T4344] ret_from_fork+0x10/0x20 [ 36.183819][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.184103][ T4337] FAULT_INJECTION: forcing a failure. [ 36.184103][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 70 [ 36.185248][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.189041][ T4345] Workqueue: hci3 hci_cmd_work [ 36.189859][ T4345] Call trace: [ 36.190456][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.191274][ T4345] show_stack+0x2c/0x3c [ 36.191998][ T4345] __dump_stack+0x30/0x40 [ 36.192747][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.193540][ T4345] dump_stack+0x1c/0x5c [ 36.194215][ T4345] should_fail_ex+0x3cc/0x524 [ 36.194966][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.195851][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.196765][ T4345] __alloc_pages+0x134/0x544 [ 36.197560][ T4345] alloc_pages+0x434/0x6fc [ 36.198345][ T4345] alloc_slab_page+0x78/0x144 [ 36.199191][ T4345] new_slab+0x1f4/0x2d8 [ 36.199945][ T4345] ___slab_alloc+0x890/0xe90 [ 36.200724][ T4345] __slab_alloc+0x74/0xd0 [ 36.201415][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.202226][ T4345] skb_clone+0x194/0x308 [ 36.202959][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.203746][ T4345] process_one_work+0x7e4/0x13bc [ 36.204564][ T4345] worker_thread+0x8cc/0xfe8 [ 36.205330][ T4345] kthread+0x254/0x2e0 [ 36.205994][ T4345] ret_from_fork+0x10/0x20 [ 36.206762][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.206886][ T4345] FAULT_INJECTION: forcing a failure. [ 36.206886][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 68 [ 36.207903][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.211415][ T4337] Workqueue: hci0 hci_cmd_work [ 36.212202][ T4337] Call trace: [ 36.212684][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.213434][ T4337] show_stack+0x2c/0x3c [ 36.214112][ T4337] __dump_stack+0x30/0x40 [ 36.214927][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.215791][ T4337] dump_stack+0x1c/0x5c [ 36.216574][ T4337] should_fail_ex+0x3cc/0x524 [ 36.217425][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.218390][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.219322][ T4337] __alloc_pages+0x134/0x544 [ 36.220131][ T4337] alloc_pages+0x434/0x6fc [ 36.220932][ T4337] alloc_slab_page+0x78/0x144 [ 36.221727][ T4337] new_slab+0x1f4/0x2d8 [ 36.222433][ T4337] ___slab_alloc+0x890/0xe90 [ 36.223258][ T4337] __slab_alloc+0x74/0xd0 [ 36.224013][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.224834][ T4337] skb_clone+0x194/0x308 [ 36.225587][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.226391][ T4337] process_one_work+0x7e4/0x13bc [ 36.227277][ T4337] worker_thread+0x8cc/0xfe8 [ 36.228120][ T4337] kthread+0x254/0x2e0 [ 36.228872][ T4337] ret_from_fork+0x10/0x20 [ 36.229598][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.229882][ T4342] FAULT_INJECTION: forcing a failure. [ 36.229882][ T4342] name fail_page_alloc, interval 1, probability 100, space 0, times 66 [ 36.230716][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.234516][ T4345] Workqueue: hci3 hci_cmd_work [ 36.235307][ T4345] Call trace: [ 36.235849][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.236569][ T4345] show_stack+0x2c/0x3c [ 36.237266][ T4345] __dump_stack+0x30/0x40 [ 36.237973][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.238718][ T4345] dump_stack+0x1c/0x5c [ 36.239413][ T4345] should_fail_ex+0x3cc/0x524 [ 36.240194][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.241113][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.241977][ T4345] __alloc_pages+0x134/0x544 [ 36.242753][ T4345] alloc_pages+0x434/0x6fc [ 36.243490][ T4345] alloc_slab_page+0x78/0x144 [ 36.244223][ T4345] new_slab+0x1f4/0x2d8 [ 36.244918][ T4345] ___slab_alloc+0x890/0xe90 [ 36.245687][ T4345] __slab_alloc+0x74/0xd0 [ 36.246417][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.247249][ T4345] skb_clone+0x194/0x308 [ 36.247990][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.248764][ T4345] process_one_work+0x7e4/0x13bc [ 36.249634][ T4345] worker_thread+0x8cc/0xfe8 [ 36.250465][ T4345] kthread+0x254/0x2e0 [ 36.251158][ T4345] ret_from_fork+0x10/0x20 [ 36.251958][ T4330] CPU: 0 PID: 4330 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 36.252094][ T4345] FAULT_INJECTION: forcing a failure. [ 36.252094][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 64 [ 36.253105][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.256917][ T4330] Workqueue: hci4 hci_cmd_work [ 36.257737][ T4330] Call trace: [ 36.258285][ T4330] dump_backtrace+0x1c4/0x1f0 [ 36.259051][ T4330] show_stack+0x2c/0x3c [ 36.259725][ T4330] __dump_stack+0x30/0x40 [ 36.260485][ T4330] dump_stack_lvl+0xf4/0x15c [ 36.261258][ T4330] dump_stack+0x1c/0x5c [ 36.261976][ T4330] should_fail_ex+0x3cc/0x524 [ 36.262787][ T4330] should_fail_alloc_page+0x74/0xb8 [ 36.263705][ T4330] prepare_alloc_pages+0x1b8/0x4f0 [ 36.264596][ T4330] __alloc_pages+0x134/0x544 [ 36.265397][ T4330] alloc_pages+0x434/0x6fc [ 36.266169][ T4330] alloc_slab_page+0x78/0x144 [ 36.267004][ T4330] new_slab+0x1f4/0x2d8 [ 36.267835][ T4330] ___slab_alloc+0x890/0xe90 [ 36.268619][ T4330] __slab_alloc+0x74/0xd0 [ 36.269354][ T4330] kmem_cache_alloc+0x2a0/0x310 [ 36.270207][ T4330] skb_clone+0x194/0x308 [ 36.270946][ T4330] hci_cmd_work+0xb4/0x4e8 [ 36.271701][ T4330] process_one_work+0x7e4/0x13bc [ 36.272517][ T4330] worker_thread+0x8cc/0xfe8 [ 36.273296][ T4330] kthread+0x254/0x2e0 [ 36.273987][ T4330] ret_from_fork+0x10/0x20 [ 36.274765][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.276012][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.277520][ T4345] Workqueue: hci3 hci_cmd_work [ 36.278249][ T4345] Call trace: [ 36.278355][ T9] FAULT_INJECTION: forcing a failure. [ 36.278355][ T9] name fail_page_alloc, interval 1, probability 100, space 0, times 63 [ 36.278756][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.281610][ T4345] show_stack+0x2c/0x3c [ 36.282223][ T4345] __dump_stack+0x30/0x40 [ 36.283006][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.283843][ T4345] dump_stack+0x1c/0x5c [ 36.283979][ T4344] FAULT_INJECTION: forcing a failure. [ 36.283979][ T4344] name fail_page_alloc, interval 1, probability 100, space 0, times 61 [ 36.284553][ T4345] should_fail_ex+0x3cc/0x524 [ 36.287443][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.288324][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.289226][ T4345] __alloc_pages+0x134/0x544 [ 36.290037][ T4345] alloc_pages+0x434/0x6fc [ 36.290767][ T4345] alloc_slab_page+0x78/0x144 [ 36.291546][ T4345] new_slab+0x1f4/0x2d8 [ 36.292260][ T4345] ___slab_alloc+0x890/0xe90 [ 36.293066][ T4345] __slab_alloc+0x74/0xd0 [ 36.293773][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.294573][ T4345] skb_clone+0x194/0x308 [ 36.295274][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.295985][ T4345] process_one_work+0x7e4/0x13bc [ 36.296786][ T4345] worker_thread+0x8cc/0xfe8 [ 36.297547][ T4345] kthread+0x254/0x2e0 [ 36.298218][ T4345] ret_from_fork+0x10/0x20 [ 36.299011][ T4342] CPU: 0 PID: 4342 Comm: kworker/u5:6 Not tainted syzkaller #0 [ 36.299135][ T4345] FAULT_INJECTION: forcing a failure. [ 36.299135][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 59 [ 36.300182][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.303874][ T4342] Workqueue: hci1 hci_cmd_work [ 36.304706][ T4342] Call trace: [ 36.305256][ T4342] dump_backtrace+0x1c4/0x1f0 [ 36.306042][ T4342] show_stack+0x2c/0x3c [ 36.306742][ T4342] __dump_stack+0x30/0x40 [ 36.307471][ T4342] dump_stack_lvl+0xf4/0x15c [ 36.308274][ T4342] dump_stack+0x1c/0x5c [ 36.309034][ T4342] should_fail_ex+0x3cc/0x524 [ 36.309845][ T4342] should_fail_alloc_page+0x74/0xb8 [ 36.310696][ T4342] prepare_alloc_pages+0x1b8/0x4f0 [ 36.311556][ T4342] __alloc_pages+0x134/0x544 [ 36.312337][ T4342] alloc_pages+0x434/0x6fc [ 36.313131][ T4342] alloc_slab_page+0x78/0x144 [ 36.313911][ T4342] new_slab+0x1f4/0x2d8 [ 36.314593][ T4342] ___slab_alloc+0x890/0xe90 [ 36.315358][ T4342] __slab_alloc+0x74/0xd0 [ 36.316081][ T4342] kmem_cache_alloc+0x2a0/0x310 [ 36.316961][ T4342] skb_clone+0x194/0x308 [ 36.317698][ T4342] hci_cmd_work+0xb4/0x4e8 [ 36.318450][ T4342] process_one_work+0x7e4/0x13bc [ 36.319267][ T4342] worker_thread+0x8cc/0xfe8 [ 36.320041][ T4342] kthread+0x254/0x2e0 [ 36.320715][ T4342] ret_from_fork+0x10/0x20 [ 36.321447][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.322573][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.324087][ T4345] Workqueue: hci3 hci_cmd_work [ 36.324899][ T4345] Call trace: [ 36.325457][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.326278][ T4345] show_stack+0x2c/0x3c [ 36.326973][ T4345] __dump_stack+0x30/0x40 [ 36.327694][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.328471][ T4345] dump_stack+0x1c/0x5c [ 36.329165][ T4345] should_fail_ex+0x3cc/0x524 [ 36.329983][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.330833][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.331689][ T4345] __alloc_pages+0x134/0x544 [ 36.332477][ T4345] alloc_pages+0x434/0x6fc [ 36.333210][ T4345] alloc_slab_page+0x78/0x144 [ 36.333944][ T4337] FAULT_INJECTION: forcing a failure. [ 36.333944][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 57 [ 36.333968][ T4345] new_slab+0x1f4/0x2d8 [ 36.336829][ T4345] ___slab_alloc+0x890/0xe90 [ 36.337584][ T4345] __slab_alloc+0x74/0xd0 [ 36.338307][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.339108][ T4345] skb_clone+0x194/0x308 [ 36.339824][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.340553][ T4345] process_one_work+0x7e4/0x13bc [ 36.341350][ T4345] worker_thread+0x8cc/0xfe8 [ 36.342073][ T4345] kthread+0x254/0x2e0 [ 36.342740][ T4345] ret_from_fork+0x10/0x20 [ 36.343434][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.343573][ T4345] FAULT_INJECTION: forcing a failure. [ 36.343573][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 55 [ 36.344638][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.344653][ T4337] Workqueue: hci0 hci_cmd_work [ 36.349146][ T4337] Call trace: [ 36.349741][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.350575][ T4337] show_stack+0x2c/0x3c [ 36.351327][ T4337] __dump_stack+0x30/0x40 [ 36.352098][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.352893][ T4337] dump_stack+0x1c/0x5c [ 36.353655][ T4337] should_fail_ex+0x3cc/0x524 [ 36.354514][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.355460][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.356414][ T4337] __alloc_pages+0x134/0x544 [ 36.357232][ T4337] alloc_pages+0x434/0x6fc [ 36.358015][ T4337] alloc_slab_page+0x78/0x144 [ 36.358811][ T4337] new_slab+0x1f4/0x2d8 [ 36.359475][ T4337] ___slab_alloc+0x890/0xe90 [ 36.360277][ T4337] __slab_alloc+0x74/0xd0 [ 36.360982][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.361771][ T4337] skb_clone+0x194/0x308 [ 36.362482][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.363187][ T4337] process_one_work+0x7e4/0x13bc [ 36.363972][ T4337] worker_thread+0x8cc/0xfe8 [ 36.364732][ T4337] kthread+0x254/0x2e0 [ 36.365422][ T4337] ret_from_fork+0x10/0x20 [ 36.366185][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.366494][ T4330] FAULT_INJECTION: forcing a failure. [ 36.366494][ T4330] name fail_page_alloc, interval 1, probability 100, space 0, times 53 [ 36.367351][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.370913][ T4345] Workqueue: hci3 hci_cmd_work [ 36.371643][ T4345] Call trace: [ 36.372163][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.372837][ T4345] show_stack+0x2c/0x3c [ 36.373505][ T4345] __dump_stack+0x30/0x40 [ 36.374179][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.374950][ T4345] dump_stack+0x1c/0x5c [ 36.375664][ T4345] should_fail_ex+0x3cc/0x524 [ 36.376446][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.377307][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.378134][ T4345] __alloc_pages+0x134/0x544 [ 36.378861][ T4345] alloc_pages+0x434/0x6fc [ 36.379629][ T4345] alloc_slab_page+0x78/0x144 [ 36.380380][ T4345] new_slab+0x1f4/0x2d8 [ 36.381016][ T4345] ___slab_alloc+0x890/0xe90 [ 36.381749][ T4345] __slab_alloc+0x74/0xd0 [ 36.382472][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.383285][ T4345] skb_clone+0x194/0x308 [ 36.384001][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.384737][ T4345] process_one_work+0x7e4/0x13bc [ 36.385558][ T4345] worker_thread+0x8cc/0xfe8 [ 36.386358][ T4345] kthread+0x254/0x2e0 [ 36.387061][ T4345] ret_from_fork+0x10/0x20 [ 36.387769][ T4330] CPU: 0 PID: 4330 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 36.388847][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.390440][ T4330] Workqueue: hci4 hci_cmd_work [ 36.391259][ T4330] Call trace: [ 36.391801][ T4330] dump_backtrace+0x1c4/0x1f0 [ 36.392590][ T4330] show_stack+0x2c/0x3c [ 36.393259][ T4330] __dump_stack+0x30/0x40 [ 36.393934][ T4330] dump_stack_lvl+0xf4/0x15c [ 36.393982][ T4345] FAULT_INJECTION: forcing a failure. [ 36.393982][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 51 [ 36.394711][ T4330] dump_stack+0x1c/0x5c [ 36.397514][ T4330] should_fail_ex+0x3cc/0x524 [ 36.398336][ T4330] should_fail_alloc_page+0x74/0xb8 [ 36.399266][ T4330] prepare_alloc_pages+0x1b8/0x4f0 [ 36.400176][ T4330] __alloc_pages+0x134/0x544 [ 36.400977][ T4330] alloc_pages+0x434/0x6fc [ 36.401749][ T4330] alloc_slab_page+0x78/0x144 [ 36.402578][ T4330] new_slab+0x1f4/0x2d8 [ 36.403297][ T4330] ___slab_alloc+0x890/0xe90 [ 36.404100][ T4330] __slab_alloc+0x74/0xd0 [ 36.404870][ T4330] kmem_cache_alloc+0x2a0/0x310 [ 36.405688][ T4330] skb_clone+0x194/0x308 [ 36.406390][ T4330] hci_cmd_work+0xb4/0x4e8 [ 36.407109][ T4330] process_one_work+0x7e4/0x13bc [ 36.407949][ T4330] worker_thread+0x8cc/0xfe8 [ 36.408726][ T4330] kthread+0x254/0x2e0 [ 36.409410][ T4330] ret_from_fork+0x10/0x20 [ 36.410155][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.411346][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.412878][ T4345] Workqueue: hci3 hci_cmd_work [ 36.413611][ T4345] Call trace: [ 36.414138][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.414890][ T4345] show_stack+0x2c/0x3c [ 36.415560][ T4345] __dump_stack+0x30/0x40 [ 36.416328][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.417127][ T4345] dump_stack+0x1c/0x5c [ 36.417790][ T4345] should_fail_ex+0x3cc/0x524 [ 36.418568][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.419414][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.420213][ T4345] __alloc_pages+0x134/0x544 [ 36.420975][ T4345] alloc_pages+0x434/0x6fc [ 36.421693][ T4345] alloc_slab_page+0x78/0x144 [ 36.422448][ T4345] new_slab+0x1f4/0x2d8 [ 36.423142][ T4345] ___slab_alloc+0x890/0xe90 [ 36.423946][ T4342] FAULT_INJECTION: forcing a failure. [ 36.423946][ T4342] name fail_page_alloc, interval 1, probability 100, space 0, times 49 [ 36.426273][ T4345] __slab_alloc+0x74/0xd0 [ 36.427062][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.427918][ T4345] skb_clone+0x194/0x308 [ 36.428681][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.429472][ T4345] process_one_work+0x7e4/0x13bc [ 36.430338][ T4345] worker_thread+0x8cc/0xfe8 [ 36.431157][ T4345] kthread+0x254/0x2e0 [ 36.431898][ T4345] ret_from_fork+0x10/0x20 [ 36.432628][ T4342] CPU: 0 PID: 4342 Comm: kworker/u5:6 Not tainted syzkaller #0 [ 36.432746][ T4345] FAULT_INJECTION: forcing a failure. [ 36.432746][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 47 [ 36.433810][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.437894][ T4342] Workqueue: hci1 hci_cmd_work [ 36.438694][ T4342] Call trace: [ 36.439244][ T4342] dump_backtrace+0x1c4/0x1f0 [ 36.440036][ T4342] show_stack+0x2c/0x3c [ 36.440731][ T4342] __dump_stack+0x30/0x40 [ 36.441486][ T4342] dump_stack_lvl+0xf4/0x15c [ 36.442259][ T4342] dump_stack+0x1c/0x5c [ 36.442969][ T4342] should_fail_ex+0x3cc/0x524 [ 36.443787][ T4342] should_fail_alloc_page+0x74/0xb8 [ 36.444720][ T4342] prepare_alloc_pages+0x1b8/0x4f0 [ 36.445604][ T4342] __alloc_pages+0x134/0x544 [ 36.446414][ T4342] alloc_pages+0x434/0x6fc [ 36.447167][ T4342] alloc_slab_page+0x78/0x144 [ 36.448038][ T4342] new_slab+0x1f4/0x2d8 [ 36.448758][ T4342] ___slab_alloc+0x890/0xe90 [ 36.449527][ T4342] __slab_alloc+0x74/0xd0 [ 36.450263][ T4342] kmem_cache_alloc+0x2a0/0x310 [ 36.451089][ T4342] skb_clone+0x194/0x308 [ 36.451861][ T4342] hci_cmd_work+0xb4/0x4e8 [ 36.452610][ T4342] process_one_work+0x7e4/0x13bc [ 36.453505][ T4342] worker_thread+0x8cc/0xfe8 [ 36.454321][ T4342] kthread+0x254/0x2e0 [ 36.455021][ T4342] ret_from_fork+0x10/0x20 [ 36.455769][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.456990][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.458597][ T4345] Workqueue: hci3 hci_cmd_work [ 36.459372][ T4345] Call trace: [ 36.459907][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.460607][ T4345] show_stack+0x2c/0x3c [ 36.461255][ T4345] __dump_stack+0x30/0x40 [ 36.461941][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.462657][ T4345] dump_stack+0x1c/0x5c [ 36.463373][ T4345] should_fail_ex+0x3cc/0x524 [ 36.463947][ T4337] FAULT_INJECTION: forcing a failure. [ 36.463947][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 45 [ 36.464227][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.467187][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.468011][ T4345] __alloc_pages+0x134/0x544 [ 36.468815][ T4345] alloc_pages+0x434/0x6fc [ 36.469532][ T4345] alloc_slab_page+0x78/0x144 [ 36.470304][ T4345] new_slab+0x1f4/0x2d8 [ 36.470994][ T4345] ___slab_alloc+0x890/0xe90 [ 36.471743][ T4345] __slab_alloc+0x74/0xd0 [ 36.472475][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.473252][ T4345] skb_clone+0x194/0x308 [ 36.473968][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.474760][ T4345] process_one_work+0x7e4/0x13bc [ 36.475617][ T4345] worker_thread+0x8cc/0xfe8 [ 36.476412][ T4345] kthread+0x254/0x2e0 [ 36.477125][ T4345] ret_from_fork+0x10/0x20 [ 36.477891][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:7 Not tainted syzkaller #0 [ 36.478024][ T4345] FAULT_INJECTION: forcing a failure. [ 36.478024][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 43 [ 36.479101][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.482654][ T4344] Workqueue: hci2 hci_cmd_work [ 36.483435][ T4344] Call trace: [ 36.483971][ T4344] dump_backtrace+0x1c4/0x1f0 [ 36.484799][ T4344] show_stack+0x2c/0x3c [ 36.485543][ T4344] __dump_stack+0x30/0x40 [ 36.486289][ T4344] dump_stack_lvl+0xf4/0x15c [ 36.487072][ T4344] dump_stack+0x1c/0x5c [ 36.487783][ T4344] should_fail_ex+0x3cc/0x524 [ 36.488609][ T4344] should_fail_alloc_page+0x74/0xb8 [ 36.489561][ T4344] prepare_alloc_pages+0x1b8/0x4f0 [ 36.490408][ T4344] __alloc_pages+0x134/0x544 [ 36.491184][ T4344] alloc_pages+0x434/0x6fc [ 36.491949][ T4344] alloc_slab_page+0x78/0x144 [ 36.492750][ T4344] new_slab+0x1f4/0x2d8 [ 36.493438][ T4344] ___slab_alloc+0x890/0xe90 [ 36.494192][ T4344] __slab_alloc+0x74/0xd0 [ 36.494949][ T4344] kmem_cache_alloc+0x2a0/0x310 [ 36.495765][ T4344] skb_clone+0x194/0x308 [ 36.496480][ T4344] hci_cmd_work+0xb4/0x4e8 [ 36.497226][ T4344] process_one_work+0x7e4/0x13bc [ 36.498067][ T4344] worker_thread+0x8cc/0xfe8 [ 36.498883][ T4344] kthread+0x254/0x2e0 [ 36.499623][ T4344] ret_from_fork+0x10/0x20 [ 36.500402][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.500477][ T4330] FAULT_INJECTION: forcing a failure. [ 36.500477][ T4330] name fail_page_alloc, interval 1, probability 100, space 0, times 41 [ 36.501539][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.505239][ T4345] Workqueue: hci3 hci_cmd_work [ 36.506029][ T4345] Call trace: [ 36.506606][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.507427][ T4345] show_stack+0x2c/0x3c [ 36.508167][ T4345] __dump_stack+0x30/0x40 [ 36.508923][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.509751][ T4345] dump_stack+0x1c/0x5c [ 36.510413][ T4345] should_fail_ex+0x3cc/0x524 [ 36.511225][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.512067][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.512910][ T4345] __alloc_pages+0x134/0x544 [ 36.513686][ T4345] alloc_pages+0x434/0x6fc [ 36.514450][ T4345] alloc_slab_page+0x78/0x144 [ 36.515238][ T4345] new_slab+0x1f4/0x2d8 [ 36.515977][ T4345] ___slab_alloc+0x890/0xe90 [ 36.516757][ T4345] __slab_alloc+0x74/0xd0 [ 36.517536][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.518413][ T4345] skb_clone+0x194/0x308 [ 36.519179][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.519991][ T4345] process_one_work+0x7e4/0x13bc [ 36.520908][ T4345] worker_thread+0x8cc/0xfe8 [ 36.521665][ T4345] kthread+0x254/0x2e0 [ 36.522349][ T4345] ret_from_fork+0x10/0x20 [ 36.523104][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.523214][ T4345] FAULT_INJECTION: forcing a failure. [ 36.523214][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 39 [ 36.524471][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.524487][ T4337] Workqueue: hci0 hci_cmd_work [ 36.529290][ T4337] Call trace: [ 36.529867][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.530801][ T4337] show_stack+0x2c/0x3c [ 36.531663][ T4337] __dump_stack+0x30/0x40 [ 36.532447][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.533299][ T4337] dump_stack+0x1c/0x5c [ 36.533993][ T4337] should_fail_ex+0x3cc/0x524 [ 36.534771][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.535695][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.536595][ T4337] __alloc_pages+0x134/0x544 [ 36.537405][ T4337] alloc_pages+0x434/0x6fc [ 36.538180][ T4337] alloc_slab_page+0x78/0x144 [ 36.538987][ T4337] new_slab+0x1f4/0x2d8 [ 36.539699][ T4337] ___slab_alloc+0x890/0xe90 [ 36.540466][ T4337] __slab_alloc+0x74/0xd0 [ 36.541197][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.542022][ T4337] skb_clone+0x194/0x308 [ 36.542764][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.543531][ T4337] process_one_work+0x7e4/0x13bc [ 36.544433][ T4337] worker_thread+0x8cc/0xfe8 [ 36.545207][ T4337] kthread+0x254/0x2e0 [ 36.545926][ T4337] ret_from_fork+0x10/0x20 [ 36.546679][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.546774][ T4342] FAULT_INJECTION: forcing a failure. [ 36.546774][ T4342] name fail_page_alloc, interval 1, probability 100, space 0, times 37 [ 36.547824][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.551390][ T4345] Workqueue: hci3 hci_cmd_work [ 36.552190][ T4345] Call trace: [ 36.552709][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.553409][ T4345] show_stack+0x2c/0x3c [ 36.554118][ T4345] __dump_stack+0x30/0x40 [ 36.554873][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.555624][ T4345] dump_stack+0x1c/0x5c [ 36.556355][ T4345] should_fail_ex+0x3cc/0x524 [ 36.557095][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.558014][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.558861][ T4345] __alloc_pages+0x134/0x544 [ 36.559655][ T4345] alloc_pages+0x434/0x6fc [ 36.560434][ T4345] alloc_slab_page+0x78/0x144 [ 36.561247][ T4345] new_slab+0x1f4/0x2d8 [ 36.561926][ T4345] ___slab_alloc+0x890/0xe90 [ 36.562696][ T4345] __slab_alloc+0x74/0xd0 [ 36.563438][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.564292][ T4345] skb_clone+0x194/0x308 [ 36.565073][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.565806][ T4345] process_one_work+0x7e4/0x13bc [ 36.566683][ T4345] worker_thread+0x8cc/0xfe8 [ 36.567475][ T4345] kthread+0x254/0x2e0 [ 36.568177][ T4345] ret_from_fork+0x10/0x20 [ 36.568922][ T4342] CPU: 0 PID: 4342 Comm: kworker/u5:6 Not tainted syzkaller #0 [ 36.569040][ T4345] FAULT_INJECTION: forcing a failure. [ 36.569040][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 35 [ 36.570089][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.573673][ T4342] Workqueue: hci1 hci_cmd_work [ 36.574456][ T4342] Call trace: [ 36.575019][ T4342] dump_backtrace+0x1c4/0x1f0 [ 36.575808][ T4342] show_stack+0x2c/0x3c [ 36.576541][ T4342] __dump_stack+0x30/0x40 [ 36.577300][ T4342] dump_stack_lvl+0xf4/0x15c [ 36.578106][ T4342] dump_stack+0x1c/0x5c [ 36.578823][ T4342] should_fail_ex+0x3cc/0x524 [ 36.579672][ T4342] should_fail_alloc_page+0x74/0xb8 [ 36.580607][ T4342] prepare_alloc_pages+0x1b8/0x4f0 [ 36.581475][ T4342] __alloc_pages+0x134/0x544 [ 36.582320][ T4342] alloc_pages+0x434/0x6fc [ 36.583077][ T4342] alloc_slab_page+0x78/0x144 [ 36.583846][ T4342] new_slab+0x1f4/0x2d8 [ 36.584549][ T4342] ___slab_alloc+0x890/0xe90 [ 36.585340][ T4342] __slab_alloc+0x74/0xd0 [ 36.586102][ T4342] kmem_cache_alloc+0x2a0/0x310 [ 36.586960][ T4342] skb_clone+0x194/0x308 [ 36.587701][ T4342] hci_cmd_work+0xb4/0x4e8 [ 36.588516][ T4342] process_one_work+0x7e4/0x13bc [ 36.589394][ T4342] worker_thread+0x8cc/0xfe8 [ 36.590208][ T4342] kthread+0x254/0x2e0 [ 36.590929][ T4342] ret_from_fork+0x10/0x20 [ 36.591705][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.592929][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.594544][ T4345] Workqueue: hci3 hci_cmd_work [ 36.595392][ T4345] Call trace: [ 36.595994][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.596792][ T4345] show_stack+0x2c/0x3c [ 36.597471][ T4345] __dump_stack+0x30/0x40 [ 36.598218][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.598982][ T4345] dump_stack+0x1c/0x5c [ 36.599683][ T4345] should_fail_ex+0x3cc/0x524 [ 36.600498][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.601421][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.602375][ T4345] __alloc_pages+0x134/0x544 [ 36.603164][ T4345] alloc_pages+0x434/0x6fc [ 36.603909][ T4345] alloc_slab_page+0x78/0x144 [ 36.603940][ T4344] FAULT_INJECTION: forcing a failure. [ 36.603940][ T4344] name fail_page_alloc, interval 1, probability 100, space 0, times 33 [ 36.604653][ T4345] new_slab+0x1f4/0x2d8 [ 36.607490][ T4345] ___slab_alloc+0x890/0xe90 [ 36.608253][ T4345] __slab_alloc+0x74/0xd0 [ 36.608986][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.609826][ T4345] skb_clone+0x194/0x308 [ 36.610540][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.611276][ T4345] process_one_work+0x7e4/0x13bc [ 36.612072][ T4345] worker_thread+0x8cc/0xfe8 [ 36.612834][ T4345] kthread+0x254/0x2e0 [ 36.613517][ T4345] ret_from_fork+0x10/0x20 [ 36.614260][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:7 Not tainted syzkaller #0 [ 36.615481][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.617061][ T4344] Workqueue: hci2 hci_cmd_work [ 36.617813][ T4344] Call trace: [ 36.618314][ T4344] dump_backtrace+0x1c4/0x1f0 [ 36.619057][ T4344] show_stack+0x2c/0x3c [ 36.619708][ T4344] __dump_stack+0x30/0x40 [ 36.620379][ T4344] dump_stack_lvl+0xf4/0x15c [ 36.621077][ T4344] dump_stack+0x1c/0x5c [ 36.621757][ T4344] should_fail_ex+0x3cc/0x524 [ 36.622482][ T4344] should_fail_alloc_page+0x74/0xb8 [ 36.623265][ T4344] prepare_alloc_pages+0x1b8/0x4f0 [ 36.624087][ T4344] __alloc_pages+0x134/0x544 [ 36.624877][ T4344] alloc_pages+0x434/0x6fc [ 36.625589][ T4344] alloc_slab_page+0x78/0x144 [ 36.626389][ T4344] new_slab+0x1f4/0x2d8 [ 36.627061][ T4344] ___slab_alloc+0x890/0xe90 [ 36.627860][ T4344] __slab_alloc+0x74/0xd0 [ 36.628607][ T4344] kmem_cache_alloc+0x2a0/0x310 [ 36.629452][ T4344] skb_clone+0x194/0x308 [ 36.630177][ T4344] hci_cmd_work+0xb4/0x4e8 [ 36.630949][ T4344] process_one_work+0x7e4/0x13bc [ 36.631775][ T4344] worker_thread+0x8cc/0xfe8 [ 36.632560][ T4344] kthread+0x254/0x2e0 [ 36.633261][ T4344] ret_from_fork+0x10/0x20 [ 36.634104][ T4445] CPU: 1 PID: 4445 Comm: syz.4.5 Not tainted syzkaller #0 [ 36.634118][ T4337] FAULT_INJECTION: forcing a failure. [ 36.634118][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 30 [ 36.635179][ T4445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.638781][ T4445] Call trace: [ 36.639297][ T4445] dump_backtrace+0x1c4/0x1f0 [ 36.640068][ T4445] show_stack+0x2c/0x3c [ 36.640745][ T4445] __dump_stack+0x30/0x40 [ 36.641460][ T4445] dump_stack_lvl+0xf4/0x15c [ 36.642208][ T4445] dump_stack+0x1c/0x5c [ 36.642923][ T4445] should_fail_ex+0x3cc/0x524 [ 36.643644][ T4445] should_fail_alloc_page+0x74/0xb8 [ 36.644521][ T4445] prepare_alloc_pages+0x1b8/0x4f0 [ 36.645365][ T4445] __alloc_pages+0x134/0x544 [ 36.646139][ T4445] alloc_pages+0x434/0x6fc [ 36.646915][ T4445] pte_alloc_one+0x2c/0x254 [ 36.647752][ T4445] handle_mm_fault+0x1c78/0x3018 [ 36.648540][ T4445] do_page_fault+0x310/0x99c [ 36.649328][ T4445] do_translation_fault+0x94/0xc8 [ 36.650214][ T4445] do_mem_abort+0x70/0x198 [ 36.650993][ T4445] el0_da+0x70/0x144 [ 36.651628][ T4445] el0t_64_sync_handler+0x90/0xf0 [ 36.652461][ T4445] el0t_64_sync+0x18c/0x190 [ 36.653176][ T4330] CPU: 0 PID: 4330 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 36.653335][ T4345] FAULT_INJECTION: forcing a failure. [ 36.653335][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 28 [ 36.654343][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.654356][ T4330] Workqueue: hci4 hci_cmd_work [ 36.658901][ T4330] Call trace: [ 36.659462][ T4330] dump_backtrace+0x1c4/0x1f0 [ 36.660275][ T4330] show_stack+0x2c/0x3c [ 36.660967][ T4330] __dump_stack+0x30/0x40 [ 36.661732][ T4330] dump_stack_lvl+0xf4/0x15c [ 36.662484][ T4330] dump_stack+0x1c/0x5c [ 36.663157][ T4330] should_fail_ex+0x3cc/0x524 [ 36.663959][ T4330] should_fail_alloc_page+0x74/0xb8 [ 36.664875][ T4330] prepare_alloc_pages+0x1b8/0x4f0 [ 36.665763][ T4330] __alloc_pages+0x134/0x544 [ 36.666579][ T4330] alloc_pages+0x434/0x6fc [ 36.667380][ T4330] alloc_slab_page+0x78/0x144 [ 36.668191][ T4330] new_slab+0x1f4/0x2d8 [ 36.668923][ T4330] ___slab_alloc+0x890/0xe90 [ 36.669731][ T4330] __slab_alloc+0x74/0xd0 [ 36.670465][ T4330] kmem_cache_alloc+0x2a0/0x310 [ 36.671319][ T4330] skb_clone+0x194/0x308 [ 36.672030][ T4330] hci_cmd_work+0xb4/0x4e8 [ 36.672819][ T4330] process_one_work+0x7e4/0x13bc [ 36.673740][ T4330] worker_thread+0x8cc/0xfe8 [ 36.674554][ T4330] kthread+0x254/0x2e0 [ 36.675270][ T4330] ret_from_fork+0x10/0x20 [ 36.676019][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.676091][ T4342] FAULT_INJECTION: forcing a failure. [ 36.676091][ T4342] name fail_page_alloc, interval 1, probability 100, space 0, times 26 [ 36.677220][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.680865][ T4345] Workqueue: hci3 hci_cmd_work [ 36.681603][ T4345] Call trace: [ 36.682143][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.682925][ T4345] show_stack+0x2c/0x3c [ 36.683611][ T4345] __dump_stack+0x30/0x40 [ 36.684363][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.685121][ T4345] dump_stack+0x1c/0x5c [ 36.685834][ T4345] should_fail_ex+0x3cc/0x524 [ 36.686600][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.687472][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.688311][ T4345] __alloc_pages+0x134/0x544 [ 36.689121][ T4345] alloc_pages+0x434/0x6fc [ 36.689852][ T4345] alloc_slab_page+0x78/0x144 [ 36.690624][ T4345] new_slab+0x1f4/0x2d8 [ 36.691314][ T4345] ___slab_alloc+0x890/0xe90 [ 36.692101][ T4345] __slab_alloc+0x74/0xd0 [ 36.692817][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.693589][ T4345] skb_clone+0x194/0x308 [ 36.694361][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.695047][ T4345] process_one_work+0x7e4/0x13bc [ 36.695825][ T4345] worker_thread+0x8cc/0xfe8 [ 36.696599][ T4345] kthread+0x254/0x2e0 [ 36.697294][ T4345] ret_from_fork+0x10/0x20 [ 36.698011][ T4342] CPU: 0 PID: 4342 Comm: kworker/u5:6 Not tainted syzkaller #0 [ 36.698125][ T4345] FAULT_INJECTION: forcing a failure. [ 36.698125][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 24 [ 36.699154][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.702767][ T4342] Workqueue: hci1 hci_cmd_work [ 36.703564][ T4342] Call trace: [ 36.704053][ T4342] dump_backtrace+0x1c4/0x1f0 [ 36.704839][ T4342] show_stack+0x2c/0x3c [ 36.705538][ T4342] __dump_stack+0x30/0x40 [ 36.706293][ T4342] dump_stack_lvl+0xf4/0x15c [ 36.707113][ T4342] dump_stack+0x1c/0x5c [ 36.707857][ T4342] should_fail_ex+0x3cc/0x524 [ 36.708661][ T4342] should_fail_alloc_page+0x74/0xb8 [ 36.709603][ T4342] prepare_alloc_pages+0x1b8/0x4f0 [ 36.710550][ T4342] __alloc_pages+0x134/0x544 [ 36.711415][ T4342] alloc_pages+0x434/0x6fc [ 36.712194][ T4342] alloc_slab_page+0x78/0x144 [ 36.713001][ T4342] new_slab+0x1f4/0x2d8 [ 36.713724][ T4342] ___slab_alloc+0x890/0xe90 [ 36.714539][ T4342] __slab_alloc+0x74/0xd0 [ 36.715233][ T4342] kmem_cache_alloc+0x2a0/0x310 [ 36.716062][ T4342] skb_clone+0x194/0x308 [ 36.716799][ T4342] hci_cmd_work+0xb4/0x4e8 [ 36.717557][ T4342] process_one_work+0x7e4/0x13bc [ 36.718413][ T4342] worker_thread+0x8cc/0xfe8 [ 36.719202][ T4342] kthread+0x254/0x2e0 [ 36.719923][ T4342] ret_from_fork+0x10/0x20 [ 36.720660][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.721057][ T4344] FAULT_INJECTION: forcing a failure. [ 36.721057][ T4344] name fail_page_alloc, interval 1, probability 100, space 0, times 22 [ 36.721708][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.725729][ T4345] Workqueue: hci3 hci_cmd_work [ 36.726597][ T4345] Call trace: [ 36.727147][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.727953][ T4345] show_stack+0x2c/0x3c [ 36.728671][ T4345] __dump_stack+0x30/0x40 [ 36.729408][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.730183][ T4345] dump_stack+0x1c/0x5c [ 36.730930][ T4345] should_fail_ex+0x3cc/0x524 [ 36.731690][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.732531][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.733468][ T4345] __alloc_pages+0x134/0x544 [ 36.734286][ T4345] alloc_pages+0x434/0x6fc [ 36.735035][ T4345] alloc_slab_page+0x78/0x144 [ 36.735867][ T4345] new_slab+0x1f4/0x2d8 [ 36.736576][ T4345] ___slab_alloc+0x890/0xe90 [ 36.737352][ T4345] __slab_alloc+0x74/0xd0 [ 36.738056][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.738912][ T4345] skb_clone+0x194/0x308 [ 36.739674][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.740415][ T4345] process_one_work+0x7e4/0x13bc [ 36.741244][ T4345] worker_thread+0x8cc/0xfe8 [ 36.742021][ T4345] kthread+0x254/0x2e0 [ 36.742716][ T4345] ret_from_fork+0x10/0x20 [ 36.743457][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.743570][ T4345] FAULT_INJECTION: forcing a failure. [ 36.743570][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 20 [ 36.744669][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.744686][ T4337] Workqueue: hci0 hci_cmd_work [ 36.749085][ T4337] Call trace: [ 36.749614][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.750390][ T4337] show_stack+0x2c/0x3c [ 36.751083][ T4337] __dump_stack+0x30/0x40 [ 36.751820][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.752609][ T4337] dump_stack+0x1c/0x5c [ 36.753329][ T4337] should_fail_ex+0x3cc/0x524 [ 36.754129][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.755032][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.755860][ T4337] __alloc_pages+0x134/0x544 [ 36.756611][ T4337] alloc_pages+0x434/0x6fc [ 36.757335][ T4337] alloc_slab_page+0x78/0x144 [ 36.758130][ T4337] new_slab+0x1f4/0x2d8 [ 36.758861][ T4337] ___slab_alloc+0x890/0xe90 [ 36.759665][ T4337] __slab_alloc+0x74/0xd0 [ 36.760432][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.761288][ T4337] skb_clone+0x194/0x308 [ 36.762029][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.762785][ T4337] process_one_work+0x7e4/0x13bc [ 36.763643][ T4337] worker_thread+0x8cc/0xfe8 [ 36.764458][ T4337] kthread+0x254/0x2e0 [ 36.765169][ T4337] ret_from_fork+0x10/0x20 [ 36.765938][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.767108][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.768698][ T4345] Workqueue: hci3 hci_cmd_work [ 36.769503][ T4345] Call trace: [ 36.770018][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.770805][ T4345] show_stack+0x2c/0x3c [ 36.771436][ T4345] __dump_stack+0x30/0x40 [ 36.772124][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.772889][ T4345] dump_stack+0x1c/0x5c [ 36.773555][ T4345] should_fail_ex+0x3cc/0x524 [ 36.773996][ T4330] FAULT_INJECTION: forcing a failure. [ 36.773996][ T4330] name fail_page_alloc, interval 1, probability 100, space 0, times 18 [ 36.774314][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.777273][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.778162][ T4345] __alloc_pages+0x134/0x544 [ 36.778913][ T4345] alloc_pages+0x434/0x6fc [ 36.779678][ T4345] alloc_slab_page+0x78/0x144 [ 36.780466][ T4345] new_slab+0x1f4/0x2d8 [ 36.781173][ T4345] ___slab_alloc+0x890/0xe90 [ 36.781970][ T4345] __slab_alloc+0x74/0xd0 [ 36.782727][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.783536][ T4345] skb_clone+0x194/0x308 [ 36.784232][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.784982][ T4345] process_one_work+0x7e4/0x13bc [ 36.785809][ T4345] worker_thread+0x8cc/0xfe8 [ 36.786589][ T4345] kthread+0x254/0x2e0 [ 36.787282][ T4345] ret_from_fork+0x10/0x20 [ 36.788038][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:7 Not tainted syzkaller #0 [ 36.788174][ T4345] FAULT_INJECTION: forcing a failure. [ 36.788174][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 16 [ 36.789230][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.792963][ T4344] Workqueue: hci2 hci_cmd_work [ 36.793764][ T4344] Call trace: [ 36.794309][ T4344] dump_backtrace+0x1c4/0x1f0 [ 36.795139][ T4344] show_stack+0x2c/0x3c [ 36.795857][ T4344] __dump_stack+0x30/0x40 [ 36.796653][ T4344] dump_stack_lvl+0xf4/0x15c [ 36.797480][ T4344] dump_stack+0x1c/0x5c [ 36.798244][ T4344] should_fail_ex+0x3cc/0x524 [ 36.799119][ T4344] should_fail_alloc_page+0x74/0xb8 [ 36.799999][ T4344] prepare_alloc_pages+0x1b8/0x4f0 [ 36.800852][ T4344] __alloc_pages+0x134/0x544 [ 36.801664][ T4344] alloc_pages+0x434/0x6fc [ 36.802435][ T4344] alloc_slab_page+0x78/0x144 [ 36.803251][ T4344] new_slab+0x1f4/0x2d8 [ 36.803955][ T4344] ___slab_alloc+0x890/0xe90 [ 36.804768][ T4344] __slab_alloc+0x74/0xd0 [ 36.805513][ T4344] kmem_cache_alloc+0x2a0/0x310 [ 36.806364][ T4344] skb_clone+0x194/0x308 [ 36.807103][ T4344] hci_cmd_work+0xb4/0x4e8 [ 36.807855][ T4344] process_one_work+0x7e4/0x13bc [ 36.808723][ T4344] worker_thread+0x8cc/0xfe8 [ 36.809495][ T4344] kthread+0x254/0x2e0 [ 36.810144][ T4344] ret_from_fork+0x10/0x20 [ 36.810871][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.812019][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.813582][ T4345] Workqueue: hci3 hci_cmd_work [ 36.814413][ T4345] Call trace: [ 36.815015][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.815833][ T4345] show_stack+0x2c/0x3c [ 36.816588][ T4345] __dump_stack+0x30/0x40 [ 36.817361][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.818208][ T4345] dump_stack+0x1c/0x5c [ 36.818936][ T4345] should_fail_ex+0x3cc/0x524 [ 36.819748][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.820635][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.821542][ T4345] __alloc_pages+0x134/0x544 [ 36.822359][ T4345] alloc_pages+0x434/0x6fc [ 36.823152][ T4345] alloc_slab_page+0x78/0x144 [ 36.823944][ T4342] FAULT_INJECTION: forcing a failure. [ 36.823944][ T4342] name fail_page_alloc, interval 1, probability 100, space 0, times 14 [ 36.823952][ T4345] new_slab+0x1f4/0x2d8 [ 36.826933][ T4345] ___slab_alloc+0x890/0xe90 [ 36.827735][ T4345] __slab_alloc+0x74/0xd0 [ 36.828486][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.829307][ T4345] skb_clone+0x194/0x308 [ 36.830078][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.830888][ T4345] process_one_work+0x7e4/0x13bc [ 36.831758][ T4345] worker_thread+0x8cc/0xfe8 [ 36.832543][ T4345] kthread+0x254/0x2e0 [ 36.833223][ T4345] ret_from_fork+0x10/0x20 [ 36.833953][ T4337] FAULT_INJECTION: forcing a failure. [ 36.833953][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 12 [ 36.834108][ T4345] FAULT_INJECTION: forcing a failure. [ 36.834108][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 10 [ 36.836060][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.839283][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.840821][ T4337] Workqueue: hci0 hci_cmd_work [ 36.841582][ T4337] Call trace: [ 36.842091][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.842850][ T4337] show_stack+0x2c/0x3c [ 36.843504][ T4337] __dump_stack+0x30/0x40 [ 36.844249][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.845083][ T4337] dump_stack+0x1c/0x5c [ 36.845788][ T4337] should_fail_ex+0x3cc/0x524 [ 36.846604][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.847540][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.848409][ T4337] __alloc_pages+0x134/0x544 [ 36.849204][ T4337] alloc_pages+0x434/0x6fc [ 36.849932][ T4337] alloc_slab_page+0x78/0x144 [ 36.850675][ T4337] new_slab+0x1f4/0x2d8 [ 36.851332][ T4337] ___slab_alloc+0x890/0xe90 [ 36.852087][ T4337] __slab_alloc+0x74/0xd0 [ 36.852787][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.853602][ T4337] skb_clone+0x194/0x308 [ 36.854359][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.855080][ T4337] process_one_work+0x7e4/0x13bc [ 36.855885][ T4337] worker_thread+0x8cc/0xfe8 [ 36.856644][ T4337] kthread+0x254/0x2e0 [ 36.857327][ T4337] ret_from_fork+0x10/0x20 [ 36.858073][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.859160][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.860692][ T4345] Workqueue: hci3 hci_cmd_work [ 36.861452][ T4345] Call trace: [ 36.861980][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.862699][ T4345] show_stack+0x2c/0x3c [ 36.863339][ T4345] __dump_stack+0x30/0x40 [ 36.864043][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.864873][ T4345] dump_stack+0x1c/0x5c [ 36.865568][ T4345] should_fail_ex+0x3cc/0x524 [ 36.866349][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.867268][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.868113][ T4345] __alloc_pages+0x134/0x544 [ 36.868910][ T4345] alloc_pages+0x434/0x6fc [ 36.869678][ T4345] alloc_slab_page+0x78/0x144 [ 36.870465][ T4345] new_slab+0x1f4/0x2d8 [ 36.871185][ T4345] ___slab_alloc+0x890/0xe90 [ 36.871967][ T4345] __slab_alloc+0x74/0xd0 [ 36.872720][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.873532][ T4345] skb_clone+0x194/0x308 [ 36.874227][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.874967][ T4345] process_one_work+0x7e4/0x13bc [ 36.875817][ T4345] worker_thread+0x8cc/0xfe8 [ 36.876557][ T4345] kthread+0x254/0x2e0 [ 36.877218][ T4345] ret_from_fork+0x10/0x20 [ 36.877960][ T4330] CPU: 0 PID: 4330 Comm: kworker/u5:1 Not tainted syzkaller #0 [ 36.878076][ T4345] FAULT_INJECTION: forcing a failure. [ 36.878076][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 8 [ 36.879137][ T4330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.882606][ T4330] Workqueue: hci4 hci_cmd_work [ 36.883339][ T4330] Call trace: [ 36.883820][ T4330] dump_backtrace+0x1c4/0x1f0 [ 36.884612][ T4330] show_stack+0x2c/0x3c [ 36.885300][ T4330] __dump_stack+0x30/0x40 [ 36.886033][ T4330] dump_stack_lvl+0xf4/0x15c [ 36.886825][ T4330] dump_stack+0x1c/0x5c [ 36.887551][ T4330] should_fail_ex+0x3cc/0x524 [ 36.888368][ T4330] should_fail_alloc_page+0x74/0xb8 [ 36.889300][ T4330] prepare_alloc_pages+0x1b8/0x4f0 [ 36.890166][ T4330] __alloc_pages+0x134/0x544 [ 36.890937][ T4330] alloc_pages+0x434/0x6fc [ 36.891706][ T4330] alloc_slab_page+0x78/0x144 [ 36.892534][ T4330] new_slab+0x1f4/0x2d8 [ 36.893227][ T4330] ___slab_alloc+0x890/0xe90 [ 36.894016][ T4330] __slab_alloc+0x74/0xd0 [ 36.894753][ T4330] kmem_cache_alloc+0x2a0/0x310 [ 36.895604][ T4330] skb_clone+0x194/0x308 [ 36.896365][ T4330] hci_cmd_work+0xb4/0x4e8 [ 36.897100][ T4330] process_one_work+0x7e4/0x13bc [ 36.897927][ T4330] worker_thread+0x8cc/0xfe8 [ 36.898691][ T4330] kthread+0x254/0x2e0 [ 36.899363][ T4330] ret_from_fork+0x10/0x20 [ 36.900120][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.900221][ T4344] FAULT_INJECTION: forcing a failure. [ 36.900221][ T4344] name fail_page_alloc, interval 1, probability 100, space 0, times 6 [ 36.901330][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.905257][ T4345] Workqueue: hci3 hci_cmd_work [ 36.906054][ T4345] Call trace: [ 36.906605][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.907426][ T4345] show_stack+0x2c/0x3c [ 36.908115][ T4345] __dump_stack+0x30/0x40 [ 36.908850][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.909659][ T4345] dump_stack+0x1c/0x5c [ 36.910385][ T4345] should_fail_ex+0x3cc/0x524 [ 36.911221][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.912093][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.912949][ T4345] __alloc_pages+0x134/0x544 [ 36.913710][ T4345] alloc_pages+0x434/0x6fc [ 36.914467][ T4345] alloc_slab_page+0x78/0x144 [ 36.915273][ T4345] new_slab+0x1f4/0x2d8 [ 36.915955][ T4345] ___slab_alloc+0x890/0xe90 [ 36.916741][ T4345] __slab_alloc+0x74/0xd0 [ 36.917502][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.918323][ T4345] skb_clone+0x194/0x308 [ 36.918996][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.919742][ T4345] process_one_work+0x7e4/0x13bc [ 36.920567][ T4345] worker_thread+0x8cc/0xfe8 [ 36.921319][ T4345] kthread+0x254/0x2e0 [ 36.921994][ T4345] ret_from_fork+0x10/0x20 [ 36.922798][ T4342] CPU: 0 PID: 4342 Comm: kworker/u5:6 Not tainted syzkaller #0 [ 36.922922][ T4345] FAULT_INJECTION: forcing a failure. [ 36.922922][ T4345] name fail_page_alloc, interval 1, probability 100, space 0, times 4 [ 36.924057][ T4342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.924070][ T4342] Workqueue: hci1 hci_cmd_work [ 36.928750][ T4342] Call trace: [ 36.929297][ T4342] dump_backtrace+0x1c4/0x1f0 [ 36.930129][ T4342] show_stack+0x2c/0x3c [ 36.930828][ T4342] __dump_stack+0x30/0x40 [ 36.931562][ T4342] dump_stack_lvl+0xf4/0x15c [ 36.932326][ T4342] dump_stack+0x1c/0x5c [ 36.933048][ T4342] should_fail_ex+0x3cc/0x524 [ 36.933813][ T4342] should_fail_alloc_page+0x74/0xb8 [ 36.934724][ T4342] prepare_alloc_pages+0x1b8/0x4f0 [ 36.935559][ T4342] __alloc_pages+0x134/0x544 [ 36.936339][ T4342] alloc_pages+0x434/0x6fc [ 36.937076][ T4342] alloc_slab_page+0x78/0x144 [ 36.937861][ T4342] new_slab+0x1f4/0x2d8 [ 36.938563][ T4342] ___slab_alloc+0x890/0xe90 [ 36.939352][ T4342] __slab_alloc+0x74/0xd0 [ 36.940069][ T4342] kmem_cache_alloc+0x2a0/0x310 [ 36.940874][ T4342] skb_clone+0x194/0x308 [ 36.941583][ T4342] hci_cmd_work+0xb4/0x4e8 [ 36.942313][ T4342] process_one_work+0x7e4/0x13bc [ 36.943168][ T4342] worker_thread+0x8cc/0xfe8 [ 36.943972][ T4342] kthread+0x254/0x2e0 [ 36.944678][ T4342] ret_from_fork+0x10/0x20 [ 36.945434][ T4345] CPU: 1 PID: 4345 Comm: kworker/u5:8 Not tainted syzkaller #0 [ 36.945538][ T4337] FAULT_INJECTION: forcing a failure. [ 36.945538][ T4337] name fail_page_alloc, interval 1, probability 100, space 0, times 2 [ 36.946586][ T4345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.946599][ T4345] Workqueue: hci3 hci_cmd_work [ 36.951009][ T4345] Call trace: [ 36.951565][ T4345] dump_backtrace+0x1c4/0x1f0 [ 36.952288][ T4345] show_stack+0x2c/0x3c [ 36.952905][ T4345] __dump_stack+0x30/0x40 [ 36.953588][ T4345] dump_stack_lvl+0xf4/0x15c [ 36.954360][ T4345] dump_stack+0x1c/0x5c [ 36.955091][ T4345] should_fail_ex+0x3cc/0x524 [ 36.955921][ T4345] should_fail_alloc_page+0x74/0xb8 [ 36.956839][ T4345] prepare_alloc_pages+0x1b8/0x4f0 [ 36.957694][ T4345] __alloc_pages+0x134/0x544 [ 36.958465][ T4345] alloc_pages+0x434/0x6fc [ 36.959160][ T4345] alloc_slab_page+0x78/0x144 [ 36.959926][ T4345] new_slab+0x1f4/0x2d8 [ 36.960615][ T4345] ___slab_alloc+0x890/0xe90 [ 36.961368][ T4345] __slab_alloc+0x74/0xd0 [ 36.962092][ T4345] kmem_cache_alloc+0x2a0/0x310 [ 36.962850][ T4345] skb_clone+0x194/0x308 [ 36.963551][ T4345] hci_cmd_work+0xb4/0x4e8 [ 36.964253][ T4345] process_one_work+0x7e4/0x13bc [ 36.965095][ T4345] worker_thread+0x8cc/0xfe8 [ 36.965914][ T4345] kthread+0x254/0x2e0 [ 36.966636][ T4345] ret_from_fork+0x10/0x20 [ 36.967438][ T4337] CPU: 0 PID: 4337 Comm: kworker/u5:4 Not tainted syzkaller #0 [ 36.968550][ T4337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 36.970092][ T4337] Workqueue: hci0 hci_cmd_work [ 36.970859][ T4337] Call trace: [ 36.971382][ T4337] dump_backtrace+0x1c4/0x1f0 [ 36.972108][ T4337] show_stack+0x2c/0x3c [ 36.972798][ T4337] __dump_stack+0x30/0x40 [ 36.973465][ T4337] dump_stack_lvl+0xf4/0x15c [ 36.974211][ T4337] dump_stack+0x1c/0x5c [ 36.974938][ T4337] should_fail_ex+0x3cc/0x524 [ 36.975704][ T4337] should_fail_alloc_page+0x74/0xb8 [ 36.976573][ T4337] prepare_alloc_pages+0x1b8/0x4f0 [ 36.977419][ T4337] __alloc_pages+0x134/0x544 [ 36.978228][ T4337] alloc_pages+0x434/0x6fc [ 36.978999][ T4337] alloc_slab_page+0x78/0x144 [ 36.979805][ T4337] new_slab+0x1f4/0x2d8 [ 36.980536][ T4337] ___slab_alloc+0x890/0xe90 [ 36.981376][ T4337] __slab_alloc+0x74/0xd0 [ 36.982166][ T4337] kmem_cache_alloc+0x2a0/0x310 [ 36.982992][ T4337] skb_clone+0x194/0x308 [ 36.983716][ T4337] hci_cmd_work+0xb4/0x4e8 [ 36.984475][ T4337] process_one_work+0x7e4/0x13bc [ 36.985342][ T4337] worker_thread+0x8cc/0xfe8 [ 36.986161][ T4337] kthread+0x254/0x2e0 [ 36.986840][ T4337] ret_from_fork+0x10/0x20 [ 36.987613][ T4344] CPU: 0 PID: 4344 Comm: kworker/u5:7 Not tainted syzkaller #0 [ 36.988740][ T4344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 SYZFAIL: pselect failed (errno 12: Cannot allocate memory) [ 36.990288][ T4344] Workqueue: hci2 hci_cmd_work [ 36.991050][ T4344] Call trace: [ 36.991562][ T4344] dump_backtrace+0x1c4/0x1f0 [ 36.991832][ T3927] socket: no more sockets [ 36.992302][ T4344] show_stack+0x2c/0x3c [ 36.993601][ T4344] __dump_stack+0x30/0x40 [ 36.994357][ T4344] dump_stack_lvl+0xf4/0x15c [ 36.995201][ T4344] dump_stack+0x1c/0x5c [ 36.995934][ T4344] should_fail_ex+0x3cc/0x524 [ 36.996760][ T4344] should_fail_alloc_page+0x74/0xb8 [ 36.997674][ T4344] prepare_alloc_pages+0x1b8/0x4f0 [ 36.998585][ T4344] __alloc_pages+0x134/0x544 [ 36.999397][ T4344] alloc_pages+0x434/0x6fc [ 37.000175][ T4344] alloc_slab_page+0x78/0x144 [ 37.000960][ T4344] new_slab+0x1f4/0x2d8 [ 37.001666][ T4344] ___slab_alloc+0x890/0xe90 [ 37.002463][ T4344] __slab_alloc+0x74/0xd0 [ 37.003220][ T4344] kmem_cache_alloc+0x2a0/0x310 [ 37.004060][ T4344] skb_clone+0x194/0x308 [ 37.004797][ T4344] hci_cmd_work+0xb4/0x4e8 [ 37.005558][ T4344] process_one_work+0x7e4/0x13bc [ 37.006379][ T4344] worker_thread+0x8cc/0xfe8 [ 37.007156][ T4344] kthread+0x254/0x2e0 [ 37.007867][ T4344] ret_from_fork+0x10/0x20 [ 37.008998][ T4392] CPU: 0 PID: 4392 Comm: kworker/0:7 Not tainted syzkaller #0 [ 37.010162][ T4392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 37.011722][ T4392] Workqueue: mld mld_ifc_work [ 37.012473][ T4392] Call trace: [ 37.013008][ T4392] dump_backtrace+0x1c4/0x1f0 [ 37.013783][ T4392] show_stack+0x2c/0x3c [ 37.014468][ T4392] __dump_stack+0x30/0x40 [ 37.015221][ T4392] dump_stack_lvl+0xf4/0x15c [ 37.015976][ T4392] dump_stack+0x1c/0x5c [ 37.016711][ T4392] should_fail_ex+0x3cc/0x524 [ 37.017525][ T4392] should_fail_alloc_page+0x74/0xb8 [ 37.018399][ T4392] prepare_alloc_pages+0x1b8/0x4f0 [ 37.019263][ T4392] __alloc_pages+0x134/0x544 [ 37.020034][ T4392] alloc_pages+0x434/0x6fc [ 37.020824][ T4392] alloc_slab_page+0x78/0x144 [ 37.021614][ T4392] new_slab+0x1f4/0x2d8 [ 37.022351][ T4392] ___slab_alloc+0x890/0xe90 [ 37.023175][ T4392] __slab_alloc+0x74/0xd0 [ 37.023945][ T4392] kmem_cache_alloc_node+0x2c4/0x344 [ 37.024881][ T4392] __alloc_skb+0x128/0x728 [ 37.025603][ T4392] mld_newpack+0x11c/0xa30 [ 37.026343][ T4392] add_grec+0x1130/0x15b0 [ 37.027065][ T4392] mld_ifc_work+0x640/0xa04 [ 37.027826][ T4392] process_one_work+0x7e4/0x13bc [ 37.028663][ T4392] worker_thread+0x8cc/0xfe8 [ 37.029454][ T4392] kthread+0x254/0x2e0 [ 37.030163][ T4392] ret_from_fork+0x10/0x20 [ 37.035804][ T3938] CPU: 1 PID: 3938 Comm: udevd Not tainted syzkaller #0 [ 37.037000][ T3938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 37.038660][ T3938] Call trace: [ 37.039206][ T3938] dump_backtrace+0x1c4/0x1f0 [ 37.040017][ T3938] show_stack+0x2c/0x3c [ 37.040708][ T3938] __dump_stack+0x30/0x40 [ 37.041400][ T3938] dump_stack_lvl+0xf4/0x15c [ 37.042118][ T3938] dump_stack+0x1c/0x5c [ 37.042750][ T3938] should_fail_ex+0x3cc/0x524 [ 37.043509][ T3938] __should_failslab+0xc0/0x11c [ 37.044314][ T3938] should_failslab+0x10/0x28 [ 37.045144][ T3938] kmem_cache_alloc+0x88/0x310 [ 37.045941][ T3938] getname_flags+0xb8/0x458 [ 37.046658][ T3938] user_path_at_empty+0x40/0x84 [ 37.047497][ T3938] do_readlinkat+0xe0/0x3fc [ 37.048289][ T3938] __arm64_sys_readlinkat+0xa0/0xbc [ 37.049169][ T3938] invoke_syscall+0x98/0x290 [ 37.049964][ T3938] el0_svc_common+0x13c/0x258 [ 37.050799][ T3938] do_el0_svc+0x5c/0x134 [ 37.051542][ T3938] el0_svc+0x58/0x128 [ 37.052208][ T3938] el0t_64_sync_handler+0x84/0xf0 [ 37.053072][ T3938] el0t_64_sync+0x18c/0x190 [ 37.064639][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0 [ 37.065814][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 37.067425][ T9] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 37.068753][ T9] Call trace: [ 37.069351][ T9] dump_backtrace+0x1c4/0x1f0 [ 37.070225][ T9] show_stack+0x2c/0x3c [ 37.070999][ T9] __dump_stack+0x30/0x40 [ 37.071779][ T9] dump_stack_lvl+0xf4/0x15c [ 37.072587][ T9] dump_stack+0x1c/0x5c [ 37.073364][ T9] should_fail_ex+0x3cc/0x524 [ 37.074241][ T9] should_fail_alloc_page+0x74/0xb8 [ 37.075214][ T9] prepare_alloc_pages+0x1b8/0x4f0 [ 37.076194][ T9] __alloc_pages+0x134/0x544 [ 37.076989][ T9] alloc_pages+0x434/0x6fc [ 37.077730][ T9] alloc_slab_page+0x78/0x144 [ 37.078546][ T9] new_slab+0x1f4/0x2d8 [ 37.079239][ T9] ___slab_alloc+0x890/0xe90 [ 37.080010][ T9] __slab_alloc+0x74/0xd0 [ 37.080725][ T9] kmem_cache_alloc+0x2a0/0x310 [ 37.081531][ T9] skb_clone+0x194/0x308 [ 37.082241][ T9] batadv_iv_send_outstanding_bat_ogm_packet+0x4f0/0x850 [ 37.083435][ T9] process_one_work+0x7e4/0x13bc [ 37.084252][ T9] worker_thread+0x8cc/0xfe8 [ 37.085032][ T9] kthread+0x254/0x2e0 [ 37.085742][ T9] ret_from_fork+0x10/0x20 [ 41.068040][ T4384] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.145530][ T4384] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.226467][ T4384] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.305961][ T4384] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 43.660155][ T4384] device hsr_slave_0 left promiscuous mode [ 43.704261][ T4384] device hsr_slave_1 left promiscuous mode [ 43.804054][ T4384] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 43.805482][ T4384] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 43.807320][ T4384] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 43.808645][ T4384] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 43.810201][ T4384] device bridge_slave_1 left promiscuous mode [ 43.811705][ T4384] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.844757][ T4384] device bridge_slave_0 left promiscuous mode [ 43.846000][ T4384] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.995345][ T4384] device veth1_macvtap left promiscuous mode [ 43.996514][ T4384] device veth0_macvtap left promiscuous mode [ 43.997728][ T4384] device veth1_vlan left promiscuous mode [ 43.998679][ T4384] device veth0_vlan left promiscuous mode [ 46.095501][ T4384] team0 (unregistering): Port device team_slave_1 removed [ 46.264649][ T4384] team0 (unregistering): Port device team_slave_0 removed [ 46.424374][ T4384] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 46.614890][ T4384] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface